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Posted to commits@iotdb.apache.org by gi...@apache.org on 2020/06/02 20:18:54 UTC

[incubator-iotdb-website] branch asf-site updated: Site checkin for project iotdb-website

This is an automated email from the ASF dual-hosted git repository.

git-site-role pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 3764bf2  Site checkin for project iotdb-website
3764bf2 is described below

commit 3764bf2a004e179bd57f72200e06d7a44b188693
Author: jenkins <bu...@apache.org>
AuthorDate: Tue Jun 2 20:18:46 2020 +0000

    Site checkin for project iotdb-website
---
 404.html                                           |   8 +-
 Blog/Release0_93.html                              |   6 +-
 Blog/index.html                                    |   6 +-
 Community/Community-Powered By.html                |   6 +-
 Community/Community-Project Committers.html        |   6 +-
 Community/Feedback.html                            |   6 +-
 Community/Materials.html                           |   6 +-
 Development/Committer.html                         |   6 +-
 Development/ContributeGuide.html                   |   6 +-
 Development/HowToCommit.html                       |   6 +-
 Development/VoteRelease.html                       |   8 +-
 Development/format-changelist.html                 |   6 +-
 Development/rpc-changelist.html                    |   8 +-
 Download/index.html                                |   6 +-
 SystemDesign/Architecture/Architecture.html        |   6 +-
 SystemDesign/Client/RPC.html                       |   6 +-
 SystemDesign/Connector/Hive-TsFile.html            |   6 +-
 SystemDesign/Connector/Spark-IOTDB.html            |   6 +-
 SystemDesign/Connector/Spark-TsFile.html           |   6 +-
 SystemDesign/DataQuery/AggregationQuery.html       |   6 +-
 SystemDesign/DataQuery/AlignByDeviceQuery.html     |   6 +-
 SystemDesign/DataQuery/DataQuery.html              |   6 +-
 SystemDesign/DataQuery/FillFunction.html           |   6 +-
 SystemDesign/DataQuery/GroupByFillQuery.html       |   6 +-
 SystemDesign/DataQuery/GroupByQuery.html           |   6 +-
 SystemDesign/DataQuery/LastQuery.html              |   6 +-
 SystemDesign/DataQuery/QueryFundamentals.html      |   6 +-
 SystemDesign/DataQuery/RawDataQuery.html           |   6 +-
 SystemDesign/DataQuery/SeriesReader.html           |   6 +-
 SystemDesign/QueryEngine/PlanExecutor.html         |   6 +-
 SystemDesign/QueryEngine/Planner.html              |   6 +-
 SystemDesign/QueryEngine/QueryEngine.html          |   6 +-
 .../QueryEngine/ResultSetConstruction.html         |   6 +-
 SystemDesign/SchemaManager/SchemaManager.html      |   6 +-
 SystemDesign/StorageEngine/DataManipulation.html   |   6 +-
 SystemDesign/StorageEngine/DataPartition.html      |   6 +-
 SystemDesign/StorageEngine/FlushManager.html       |   6 +-
 SystemDesign/StorageEngine/MergeManager.html       |   6 +-
 SystemDesign/StorageEngine/StorageEngine.html      |   6 +-
 SystemDesign/StorageEngine/WAL.html                |   6 +-
 SystemDesign/Tools/Sync.html                       |   6 +-
 SystemDesign/TsFile/Format.html                    |   6 +-
 SystemDesign/TsFile/Read.html                      |   6 +-
 SystemDesign/TsFile/TsFile.html                    |   6 +-
 SystemDesign/TsFile/Write.html                     |   6 +-
 UserGuide/Master/Architecture/Files.html           |   6 +-
 .../Architecture/Shared Nothing Cluster.html       |   6 +-
 .../Master/Architecture/Writing Data on HDFS.html  |   6 +-
 .../Master/Client/Command Line Interface.html      |   6 +-
 UserGuide/Master/Client/Programming - JDBC.html    |   6 +-
 UserGuide/Master/Client/Programming - MQTT.html    |   8 +-
 .../Master/Client/Programming - Native API.html    |   6 +-
 .../Client/Programming - Other Languages.html      |   6 +-
 .../Master/Client/Programming - TsFile API.html    |   6 +-
 UserGuide/Master/Client/Status Codes.html          |   6 +-
 UserGuide/Master/Concept/Compression.html          |   6 +-
 .../Master/Concept/Data Model and Terminology.html |   6 +-
 UserGuide/Master/Concept/Data Type.html            |   6 +-
 UserGuide/Master/Concept/Encoding.html             |   6 +-
 .../Master/Ecosystem Integration/Grafana.html      |   6 +-
 .../Master/Ecosystem Integration/Hive TsFile.html  |   6 +-
 .../Ecosystem Integration/MapReduce TsFile.html    |   6 +-
 .../Master/Ecosystem Integration/Spark IoTDB.html  |   6 +-
 .../Master/Ecosystem Integration/Spark TsFile.html |   6 +-
 .../Get Started/Frequently asked questions.html    |   6 +-
 UserGuide/Master/Get Started/Publication.html      |   6 +-
 UserGuide/Master/Get Started/QuickStart.html       |  12 +-
 UserGuide/Master/Master/Architecture/Files.html    |  60 ++
 .../Architecture/Shared Nothing Cluster.html       |  56 ++
 .../Master/Architecture/Writing Data on HDFS.html  |  57 ++
 .../Master/Client/Command Line Interface.html      | 106 ++++
 .../Master/Master/Client/Programming - JDBC.html   | 207 +++++++
 .../Master/Master/Client/Programming - MQTT.html   |  97 +++
 .../Master/Client/Programming - Native API.html    |  99 +++
 .../Client/Programming - Other Languages.html      |  67 ++
 .../Master/Client/Programming - TsFile API.html    | 238 +++++++
 UserGuide/Master/Master/Client/Status Codes.html   |  69 +++
 UserGuide/Master/Master/Concept/Compression.html   |  56 ++
 .../Master/Concept/Data Model and Terminology.html |  66 ++
 UserGuide/Master/Master/Concept/Data Type.html     |  58 ++
 UserGuide/Master/Master/Concept/Encoding.html      |  57 ++
 .../Master/Ecosystem Integration/Grafana.html      | 100 +++
 .../Master/Ecosystem Integration/Hive TsFile.html  | 121 ++++
 .../Ecosystem Integration/MapReduce TsFile.html    | 155 +++++
 .../Master/Ecosystem Integration/Spark IoTDB.html  | 114 ++++
 .../Master/Ecosystem Integration/Spark TsFile.html | 113 ++++
 .../Get Started/Frequently asked questions.html    |  92 +++
 .../Master/Master/Get Started/Publication.html     |  56 ++
 .../Master/Master/Get Started/QuickStart.html      | 138 +++++
 .../Master/Master/Master/Architecture/Files.html   |  60 ++
 .../Architecture/Shared Nothing Cluster.html       |  56 ++
 .../Master/Architecture/Writing Data on HDFS.html  |  57 ++
 .../Master/Client/Command Line Interface.html      | 106 ++++
 .../Master/Master/Client/Programming - JDBC.html   | 207 +++++++
 .../Master/Master/Client/Programming - MQTT.html   |  97 +++
 .../Master/Client/Programming - Native API.html    |  99 +++
 .../Client/Programming - Other Languages.html      |  67 ++
 .../Master/Client/Programming - TsFile API.html    | 238 +++++++
 .../Master/Master/Master/Client/Status Codes.html  |  69 +++
 .../Master/Master/Master/Concept/Compression.html  |  56 ++
 .../Master/Concept/Data Model and Terminology.html |  66 ++
 .../Master/Master/Master/Concept/Data Type.html    |  58 ++
 .../Master/Master/Master/Concept/Encoding.html     |  57 ++
 .../Master/Ecosystem Integration/Grafana.html      | 100 +++
 .../Master/Ecosystem Integration/Hive TsFile.html  | 121 ++++
 .../Ecosystem Integration/MapReduce TsFile.html    | 155 +++++
 .../Master/Ecosystem Integration/Spark IoTDB.html  | 114 ++++
 .../Master/Ecosystem Integration/Spark TsFile.html | 113 ++++
 .../Get Started/Frequently asked questions.html    |  92 +++
 .../Master/Master/Get Started/Publication.html     |  56 ++
 .../Master/Master/Get Started/QuickStart.html      | 136 ++++
 .../Master/Operation Manual/Administration.html    |  65 ++
 .../DDL Data Definition Language.html              | 121 ++++
 .../DML Data Manipulation Language.html            | 139 +++++
 .../Master/Operation Manual/SQL Reference.html     | 688 +++++++++++++++++++++
 .../Master/Master/Overview/Architecture.html       |  56 ++
 .../Master/Master/Master/Overview/Features.html    |  56 ++
 .../Master/Master/Master/Overview/Scenario.html    |  56 ++
 .../Master/Master/Overview/What is IoTDB.html      |  56 ++
 .../Master/Master/Master/Server/Cluster Setup.html |  56 ++
 .../Master/Master/Master/Server/Config Manual.html |  61 ++
 .../Master/Master/Master/Server/Docker Image.html  |  77 +++
 .../Master/Master/Master/Server/Download.html      |  61 ++
 .../Master/Master/Server/Single Node Setup.html    |  61 ++
 .../Master/Master/System Tools/JMX Tool.html       |  68 ++
 .../Master/System Tools/Load External Tsfile.html  |  58 ++
 .../Master/Master/System Tools/Log Visualizer.html | 106 ++++
 .../System Tools/Memory Estimation Tool.html       |  61 ++
 .../Master/System Tools/Monitor and Log Tools.html |  67 ++
 .../Query History Visualization Tool.html          |  56 ++
 .../Master/Master/System Tools/Sync Tool.html      |  70 +++
 .../Master/Master/System Tools/Watermark Tool.html | 144 +++++
 .../Master/Master/Master/UserGuideReadme.html      |  57 ++
 .../Master/Operation Manual/Administration.html    |  65 ++
 .../DDL Data Definition Language.html              | 121 ++++
 .../DML Data Manipulation Language.html            | 139 +++++
 .../Master/Operation Manual/SQL Reference.html     | 688 +++++++++++++++++++++
 UserGuide/Master/Master/Overview/Architecture.html |  56 ++
 UserGuide/Master/Master/Overview/Features.html     |  56 ++
 UserGuide/Master/Master/Overview/Scenario.html     |  56 ++
 .../Master/Master/Overview/What is IoTDB.html      |  56 ++
 UserGuide/Master/Master/Server/Cluster Setup.html  |  56 ++
 UserGuide/Master/Master/Server/Config Manual.html  |  61 ++
 UserGuide/Master/Master/Server/Docker Image.html   |  77 +++
 UserGuide/Master/Master/Server/Download.html       |  61 ++
 .../Master/Master/Server/Single Node Setup.html    |  63 ++
 UserGuide/Master/Master/System Tools/JMX Tool.html |  68 ++
 .../Master/System Tools/Load External Tsfile.html  |  58 ++
 .../Master/Master/System Tools/Log Visualizer.html | 106 ++++
 .../System Tools/Memory Estimation Tool.html       |  61 ++
 .../Master/System Tools/Monitor and Log Tools.html |  67 ++
 .../Query History Visualization Tool.html          |  56 ++
 .../Master/Master/System Tools/Sync Tool.html      |  70 +++
 .../Master/Master/System Tools/Watermark Tool.html | 144 +++++
 UserGuide/Master/Master/UserGuideReadme.html       |  57 ++
 .../Master/V0.8.x/0-Get Started/1-QuickStart.html  | 228 +++++++
 .../2-Frequently asked questions.html              |  82 +++
 .../Master/V0.8.x/0-Get Started/3-Publication.html |  56 ++
 .../Master/V0.8.x/1-Overview/1-What is IoTDB.html  |  56 ++
 .../Master/V0.8.x/1-Overview/2-Architecture.html   |  56 ++
 .../Master/V0.8.x/1-Overview/3-Scenario.html       |  56 ++
 .../Master/V0.8.x/1-Overview/4-Features.html       |  56 ++
 .../1-Key Concepts and Terminology.html            |  60 ++
 .../2-Data Type.html                               |  58 ++
 .../3-Encoding.html                                |  56 ++
 .../4-Compression.html                             |  56 ++
 .../V0.8.x/3-Operation Manual/1-Sample Data.html   |  56 ++
 .../3-Operation Manual/2-Data Model Selection.html |  72 +++
 .../V0.8.x/3-Operation Manual/3-Data Import.html   |  64 ++
 .../V0.8.x/3-Operation Manual/4-Data Query.html    |  97 +++
 .../3-Operation Manual/5-Data Maintenance.html     |  66 ++
 .../6-Priviledge Management.html                   |  65 ++
 .../4-Deployment and Management/1-Deployment.html  | 113 ++++
 .../2-Configuration.html                           |  57 ++
 .../3-System Monitor.html                          |  60 ++
 .../4-Performance Monitor.html                     |  59 ++
 .../4-Deployment and Management/5-System log.html  |  58 ++
 .../6-Data Management.html                         |  63 ++
 .../7-Build and use IoTDB by Dockerfile.html       |  77 +++
 .../1-IoTDB Query Statement.html                   | 296 +++++++++
 .../5-IoTDB SQL Documentation/2-Reference.html     | 130 ++++
 .../Master/V0.8.x/6-JDBC API/1-JDBC API.html       | 190 ++++++
 .../Master/V0.8.x/7-TsFile/1-Installation.html     |  90 +++
 .../Master/Master/V0.8.x/7-TsFile/2-Usage.html     | 273 ++++++++
 .../Master/Master/V0.8.x/7-TsFile/3-Hierarchy.html |  60 ++
 .../Master/V0.8.x/8-System Tools/1-Sync.html       |  69 +++
 .../8-System Tools/2-Memory Estimation Tool.html   |  62 ++
 .../Master/V0.9.x/0-Get Started/1-QuickStart.html  | 131 ++++
 .../2-Frequently asked questions.html              |  81 +++
 .../Master/V0.9.x/0-Get Started/3-Publication.html |  56 ++
 .../Master/V0.9.x/1-Overview/1-What is IoTDB.html  |  56 ++
 .../Master/V0.9.x/1-Overview/2-Architecture.html   |  56 ++
 .../Master/V0.9.x/1-Overview/3-Scenario.html       |  56 ++
 .../Master/V0.9.x/1-Overview/4-Features.html       |  56 ++
 .../2-Concept/1-Data Model and Terminology.html    |  65 ++
 .../Master/V0.9.x/2-Concept/2-Data Type.html       |  58 ++
 .../Master/Master/V0.9.x/2-Concept/3-Encoding.html |  56 ++
 .../Master/V0.9.x/2-Concept/4-Compression.html     |  56 ++
 .../Master/Master/V0.9.x/3-Server/1-Download.html  |  61 ++
 .../V0.9.x/3-Server/2-Single Node Setup.html       |  61 ++
 .../Master/V0.9.x/3-Server/3-Cluster Setup.html    |  56 ++
 .../Master/V0.9.x/3-Server/4-Config Manual.html    |  57 ++
 .../Master/V0.9.x/3-Server/5-Docker Image.html     |  77 +++
 .../V0.9.x/4-Client/1-Command Line Interface.html  |  91 +++
 .../V0.9.x/4-Client/2-Programming - JDBC.html      | 220 +++++++
 .../V0.9.x/4-Client/3-Programming - Session.html   |  72 +++
 .../4-Client/4-Programming - Other Languages.html  |  67 ++
 .../4-Client/5-Programming - TsFile API.html       | 370 +++++++++++
 .../1-DDL Data Definition Language.html            |  92 +++
 .../2-DML Data Manipulation Language.html          | 106 ++++
 .../3-Account Management Statements.html           |  64 ++
 .../V0.9.x/5-Operation Manual/4-SQL Reference.html | 524 ++++++++++++++++
 .../Master/V0.9.x/6-System Tools/1-Sync Tool.html  |  70 +++
 .../6-System Tools/2-Memory Estimation Tool.html   |  61 ++
 .../Master/V0.9.x/6-System Tools/3-JMX Tool.html   |  56 ++
 .../V0.9.x/6-System Tools/4-Watermark Tool.html    | 144 +++++
 .../V0.9.x/6-System Tools/5-Log Visualizer.html    | 106 ++++
 .../6-Query History Visualization Tool.html        |  56 ++
 .../6-System Tools/7-Monitor and Log Tools.html    |  67 ++
 .../6-System Tools/8-Load External Tsfile.html     |  62 ++
 .../V0.9.x/7-Ecosystem Integration/1-Grafana.html  |  85 +++
 .../2-MapReduce TsFile.html                        | 155 +++++
 .../7-Ecosystem Integration/3-Spark TsFile.html    | 111 ++++
 .../7-Ecosystem Integration/4-Spark IoTDB.html     | 116 ++++
 .../7-Ecosystem Integration/5-Hive TsFile.html     | 121 ++++
 .../Master/V0.9.x/8-System Design/1-Hierarchy.html | 170 +++++
 .../Master/V0.9.x/8-System Design/2-Files.html     |  60 ++
 .../8-System Design/3-Writing Data on HDFS.html    |  57 ++
 .../8-System Design/4-Shared Nothing Cluster.html  |  56 ++
 .../Master/Operation Manual/Administration.html    |   6 +-
 .../DDL Data Definition Language.html              |   6 +-
 .../DML Data Manipulation Language.html            |   6 +-
 .../Master/Operation Manual/SQL Reference.html     |   6 +-
 UserGuide/Master/Overview/Architecture.html        |   6 +-
 UserGuide/Master/Overview/Features.html            |   6 +-
 UserGuide/Master/Overview/Scenario.html            |   6 +-
 UserGuide/Master/Overview/What is IoTDB.html       |   6 +-
 UserGuide/Master/Server/Cluster Setup.html         |   6 +-
 UserGuide/Master/Server/Config Manual.html         |  10 +-
 UserGuide/Master/Server/Docker Image.html          |   6 +-
 UserGuide/Master/Server/Download.html              |   6 +-
 UserGuide/Master/Server/Single Node Setup.html     |  12 +-
 UserGuide/Master/System Tools/JMX Tool.html        |   6 +-
 .../Master/System Tools/Load External Tsfile.html  |   6 +-
 UserGuide/Master/System Tools/Log Visualizer.html  |   6 +-
 .../System Tools/Memory Estimation Tool.html       |  14 +-
 .../Master/System Tools/Monitor and Log Tools.html |   6 +-
 .../Query History Visualization Tool.html          |   6 +-
 UserGuide/Master/System Tools/Sync Tool.html       |   6 +-
 UserGuide/Master/System Tools/Watermark Tool.html  |   6 +-
 UserGuide/Master/UserGuideReadme.html              |   6 +-
 .../Master/V0.8.x/0-Get Started/1-QuickStart.html  | 228 +++++++
 .../2-Frequently asked questions.html              |  82 +++
 .../Master/V0.8.x/0-Get Started/3-Publication.html |  56 ++
 .../Master/V0.8.x/1-Overview/1-What is IoTDB.html  |  56 ++
 .../Master/V0.8.x/1-Overview/2-Architecture.html   |  56 ++
 UserGuide/Master/V0.8.x/1-Overview/3-Scenario.html |  56 ++
 UserGuide/Master/V0.8.x/1-Overview/4-Features.html |  56 ++
 .../1-Key Concepts and Terminology.html            |  60 ++
 .../2-Data Type.html                               |  58 ++
 .../3-Encoding.html                                |  56 ++
 .../4-Compression.html                             |  56 ++
 .../V0.8.x/3-Operation Manual/1-Sample Data.html   |  56 ++
 .../3-Operation Manual/2-Data Model Selection.html |  72 +++
 .../V0.8.x/3-Operation Manual/3-Data Import.html   |  64 ++
 .../V0.8.x/3-Operation Manual/4-Data Query.html    |  97 +++
 .../3-Operation Manual/5-Data Maintenance.html     |  66 ++
 .../6-Priviledge Management.html                   |  65 ++
 .../4-Deployment and Management/1-Deployment.html  | 113 ++++
 .../2-Configuration.html                           |  57 ++
 .../3-System Monitor.html                          |  60 ++
 .../4-Performance Monitor.html                     |  59 ++
 .../4-Deployment and Management/5-System log.html  |  58 ++
 .../6-Data Management.html                         |  63 ++
 .../7-Build and use IoTDB by Dockerfile.html       |  77 +++
 .../1-IoTDB Query Statement.html                   | 296 +++++++++
 .../5-IoTDB SQL Documentation/2-Reference.html     | 130 ++++
 UserGuide/Master/V0.8.x/6-JDBC API/1-JDBC API.html | 190 ++++++
 .../Master/V0.8.x/7-TsFile/1-Installation.html     |  90 +++
 UserGuide/Master/V0.8.x/7-TsFile/2-Usage.html      | 273 ++++++++
 UserGuide/Master/V0.8.x/7-TsFile/3-Hierarchy.html  |  60 ++
 UserGuide/Master/V0.8.x/8-System Tools/1-Sync.html |  69 +++
 .../8-System Tools/2-Memory Estimation Tool.html   |  62 ++
 .../Master/V0.9.x/0-Get Started/1-QuickStart.html  | 131 ++++
 .../2-Frequently asked questions.html              |  81 +++
 .../Master/V0.9.x/0-Get Started/3-Publication.html |  56 ++
 .../Master/V0.9.x/1-Overview/1-What is IoTDB.html  |  56 ++
 .../Master/V0.9.x/1-Overview/2-Architecture.html   |  56 ++
 UserGuide/Master/V0.9.x/1-Overview/3-Scenario.html |  56 ++
 UserGuide/Master/V0.9.x/1-Overview/4-Features.html |  56 ++
 .../2-Concept/1-Data Model and Terminology.html    |  65 ++
 UserGuide/Master/V0.9.x/2-Concept/2-Data Type.html |  58 ++
 UserGuide/Master/V0.9.x/2-Concept/3-Encoding.html  |  56 ++
 .../Master/V0.9.x/2-Concept/4-Compression.html     |  56 ++
 UserGuide/Master/V0.9.x/3-Server/1-Download.html   |  61 ++
 .../V0.9.x/3-Server/2-Single Node Setup.html       |  61 ++
 .../Master/V0.9.x/3-Server/3-Cluster Setup.html    |  56 ++
 .../Master/V0.9.x/3-Server/4-Config Manual.html    |  57 ++
 .../Master/V0.9.x/3-Server/5-Docker Image.html     |  77 +++
 .../V0.9.x/4-Client/1-Command Line Interface.html  |  91 +++
 .../V0.9.x/4-Client/2-Programming - JDBC.html      | 220 +++++++
 .../V0.9.x/4-Client/3-Programming - Session.html   |  72 +++
 .../4-Client/4-Programming - Other Languages.html  |  67 ++
 .../4-Client/5-Programming - TsFile API.html       | 370 +++++++++++
 .../1-DDL Data Definition Language.html            |  92 +++
 .../2-DML Data Manipulation Language.html          | 106 ++++
 .../3-Account Management Statements.html           |  64 ++
 .../V0.9.x/5-Operation Manual/4-SQL Reference.html | 524 ++++++++++++++++
 .../Master/V0.9.x/6-System Tools/1-Sync Tool.html  |  70 +++
 .../6-System Tools/2-Memory Estimation Tool.html   |  61 ++
 .../Master/V0.9.x/6-System Tools/3-JMX Tool.html   |  56 ++
 .../V0.9.x/6-System Tools/4-Watermark Tool.html    | 144 +++++
 .../V0.9.x/6-System Tools/5-Log Visualizer.html    | 106 ++++
 .../6-Query History Visualization Tool.html        |  56 ++
 .../6-System Tools/7-Monitor and Log Tools.html    |  67 ++
 .../6-System Tools/8-Load External Tsfile.html     |  62 ++
 .../V0.9.x/7-Ecosystem Integration/1-Grafana.html  |  85 +++
 .../2-MapReduce TsFile.html                        | 155 +++++
 .../7-Ecosystem Integration/3-Spark TsFile.html    | 111 ++++
 .../7-Ecosystem Integration/4-Spark IoTDB.html     | 116 ++++
 .../7-Ecosystem Integration/5-Hive TsFile.html     | 121 ++++
 .../Master/V0.9.x/8-System Design/1-Hierarchy.html | 170 +++++
 .../Master/V0.9.x/8-System Design/2-Files.html     |  60 ++
 .../8-System Design/3-Writing Data on HDFS.html    |  57 ++
 .../8-System Design/4-Shared Nothing Cluster.html  |  56 ++
 UserGuide/V0.8.x/0-Get Started/1-QuickStart.html   |   6 +-
 .../2-Frequently asked questions.html              |   6 +-
 UserGuide/V0.8.x/0-Get Started/3-Publication.html  |   6 +-
 UserGuide/V0.8.x/1-Overview/1-What is IoTDB.html   |   6 +-
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 UserGuide/V0.8.x/1-Overview/3-Scenario.html        |   6 +-
 UserGuide/V0.8.x/1-Overview/4-Features.html        |   6 +-
 .../1-Key Concepts and Terminology.html            |   6 +-
 .../2-Data Type.html                               |   6 +-
 .../3-Encoding.html                                |   6 +-
 .../4-Compression.html                             |   6 +-
 .../V0.8.x/3-Operation Manual/1-Sample Data.html   |   6 +-
 .../3-Operation Manual/2-Data Model Selection.html |   6 +-
 .../V0.8.x/3-Operation Manual/3-Data Import.html   |   6 +-
 .../V0.8.x/3-Operation Manual/4-Data Query.html    |   6 +-
 .../3-Operation Manual/5-Data Maintenance.html     |   6 +-
 .../6-Priviledge Management.html                   |   6 +-
 .../4-Deployment and Management/1-Deployment.html  |   6 +-
 .../2-Configuration.html                           |   6 +-
 .../3-System Monitor.html                          |   6 +-
 .../4-Performance Monitor.html                     |   6 +-
 .../4-Deployment and Management/5-System log.html  |   6 +-
 .../6-Data Management.html                         |   6 +-
 .../7-Build and use IoTDB by Dockerfile.html       |   6 +-
 .../1-IoTDB Query Statement.html                   |   6 +-
 .../5-IoTDB SQL Documentation/2-Reference.html     |   6 +-
 UserGuide/V0.8.x/6-JDBC API/1-JDBC API.html        |   6 +-
 UserGuide/V0.8.x/7-TsFile/1-Installation.html      |   6 +-
 UserGuide/V0.8.x/7-TsFile/2-Usage.html             |   6 +-
 UserGuide/V0.8.x/7-TsFile/3-Hierarchy.html         |   6 +-
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 .../8-System Tools/2-Memory Estimation Tool.html   |   6 +-
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 .../V0.9.x/3-Server/2-Single Node Setup.html       |   6 +-
 zh/UserGuide/V0.9.x/3-Server/3-Cluster Setup.html  |   6 +-
 zh/UserGuide/V0.9.x/3-Server/4-Config Manual.html  |   6 +-
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 .../V0.9.x/4-Client/1-Command Line Interface.html  |   6 +-
 .../V0.9.x/4-Client/2-Programming - JDBC.html      |   6 +-
 .../V0.9.x/4-Client/3-Programming - Session.html   |   6 +-
 .../4-Client/4-Programming - Other Languages.html  |   6 +-
 .../4-Client/5-Programming - TsFile API.html       |   6 +-
 .../1-DDL Data Definition Language.html            |   6 +-
 .../2-DML Data Manipulation Language.html          |   6 +-
 .../3-Account Management Statements.html           |   6 +-
 .../V0.9.x/5-Operation Manual/4-SQL Reference.html |   6 +-
 .../V0.9.x/6-System Tools/1-Sync Tool.html         |   6 +-
 .../6-System Tools/2-Memory Estimation Tool.html   |   6 +-
 zh/UserGuide/V0.9.x/6-System Tools/3-JMX Tool.html |   6 +-
 .../V0.9.x/6-System Tools/4-Watermark Tool.html    |   6 +-
 .../V0.9.x/6-System Tools/5-Log Visualizer.html    |   6 +-
 .../6-Query History Visualization Tool.html        |   6 +-
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 .../6-System Tools/8-Load External Tsfile.html     |   6 +-
 .../V0.9.x/7-Ecosystem Integration/1-Grafana.html  |   6 +-
 .../2-MapReduce TsFile.html                        |   6 +-
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 .../7-Ecosystem Integration/4-Spark IoTDB.html     |   6 +-
 .../7-Ecosystem Integration/5-Hive TsFile.html     |   6 +-
 .../V0.9.x/8-System Design/1-Hierarchy.html        |   6 +-
 zh/UserGuide/V0.9.x/8-System Design/2-Files.html   |   6 +-
 .../8-System Design/3-Writing Data on HDFS.html    |   6 +-
 .../8-System Design/4-Shared Nothing Cluster.html  |   6 +-
 zh/index.html                                      |   8 +-
 1895 files changed, 47689 insertions(+), 1339 deletions(-)

diff --git a/404.html b/404.html
index 8c1fe15..878b610 100644
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+++ b/404.html
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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-    <div id="app" data-server-rendered="true"><div class="theme-container"><div class="content"><h1>404</h1> <blockquote>How did we get here?</blockquote> <a href="/" class="router-link-active">Take me home.</a></div></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/10.208fb909.js" defer></script>
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diff --git a/Blog/Release0_93.html b/Blog/Release0_93.html
index 1cc8741..1ab0a7f 100644
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@@ -53,6 +53,6 @@ Chinese: http://iotdb.apache.org/zh/SystemDesign/Architecture/Architecture.html<
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       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/Blog/index.html b/Blog/index.html
index 00e20b6..94eb6cd 100644
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       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/Community/Community-Powered By.html b/Community/Community-Powered By.html
index d14cb14..a0afc92 100644
--- a/Community/Community-Powered By.html	
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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@@ -54,6 +54,6 @@ A common practice you can take is to create software identifiers (Maven coordina
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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diff --git a/Community/Community-Project Committers.html b/Community/Community-Project Committers.html
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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@@ -51,6 +51,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/Community/Feedback.html b/Community/Feedback.html
index 3d65fe6..ae874fc 100644
--- a/Community/Feedback.html
+++ b/Community/Feedback.html
@@ -11,8 +11,8 @@
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -54,6 +54,6 @@ it is recommended  gmail mailbox).</li></ul></li> <li><p>JIRA issue: https://iss
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/15.dee30c21.js" defer></script>
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 </html>
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diff --git a/Community/Materials.html b/Community/Materials.html
index 969bcbd..7ebb5e5 100644
--- a/Community/Materials.html
+++ b/Community/Materials.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/16.c41a4065.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/16.c41a4065.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -51,6 +51,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/16.c41a4065.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/16.c41a4065.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/Committer.html b/Development/Committer.html
index 195e1d8..7afc36d 100644
--- a/Development/Committer.html
+++ b/Development/Committer.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/17.1b1f198c.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/17.1b1f198c.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -52,6 +52,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/17.1b1f198c.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/17.1b1f198c.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/ContributeGuide.html b/Development/ContributeGuide.html
index 35c3948..e9a566c 100644
--- a/Development/ContributeGuide.html
+++ b/Development/ContributeGuide.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/18.b6c5db53.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/18.b6c5db53.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -54,6 +54,6 @@ Instead, you just need to click &quot;start-watching this issue&quot; on the jir
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/18.b6c5db53.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/18.b6c5db53.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/HowToCommit.html b/Development/HowToCommit.html
index 68e9b66..e217df9 100644
--- a/Development/HowToCommit.html
+++ b/Development/HowToCommit.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/19.a6984d92.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/19.a6984d92.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -69,6 +69,6 @@ git rebase --continue
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/19.a6984d92.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/19.a6984d92.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/VoteRelease.html b/Development/VoteRelease.html
index 79d9e7a..908fedf 100644
--- a/Development/VoteRelease.html
+++ b/Development/VoteRelease.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/20.7a9253d6.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/20.0426635f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -81,7 +81,7 @@ appear Good Singnature
 shasum -a512 apache-iotdb-0.9.0-incubating-bin.zip
 
 Compared with the corresponding .sha512, the same is fine.
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Verify that it starts and the sample statements execute correctly</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>./sbin/s [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Verify that it starts and the sample statements execute correctly</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>nohup ./ [...]
 
 ./sbin/start-client.sh
 
@@ -135,6 +135,6 @@ find **/src -type f -exec grep -i &quot;copyright&quot; {} \; -print | sort -u
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/20.7a9253d6.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/20.0426635f.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/format-changelist.html b/Development/format-changelist.html
index accbff4..e97308d 100644
--- a/Development/format-changelist.html
+++ b/Development/format-changelist.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/21.38dff846.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/21.694a722a.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -51,6 +51,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/21.38dff846.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/21.694a722a.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/Development/rpc-changelist.html b/Development/rpc-changelist.html
index 4c17ee7..a8b5868 100644
--- a/Development/rpc-changelist.html
+++ b/Development/rpc-changelist.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -47,10 +47,10 @@
   Current Events
   <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Development/rpc-changelist.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" cla [...]
     gitHub
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <!----> </aside> <main class="page" [...]
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/Download/index.html b/Download/index.html
index 4f0c2f1..a164c75 100644
--- a/Download/index.html
+++ b/Download/index.html
@@ -11,8 +11,8 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/23.15ed0c07.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container no-sidebar"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 1 [...]
@@ -51,6 +51,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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\ No newline at end of file
diff --git a/SystemDesign/Architecture/Architecture.html b/SystemDesign/Architecture/Architecture.html
index b3993ea..6d60029 100644
--- a/SystemDesign/Architecture/Architecture.html
+++ b/SystemDesign/Architecture/Architecture.html
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/25.2f41563d.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -55,6 +55,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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\ No newline at end of file
diff --git a/SystemDesign/Client/RPC.html b/SystemDesign/Client/RPC.html
index 996d17b..cfff24c 100644
--- a/SystemDesign/Client/RPC.html
+++ b/SystemDesign/Client/RPC.html
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/26.a447e559.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -56,6 +56,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/26.07f6bfbf.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/26.a447e559.js" defer></script>
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 </html>
\ No newline at end of file
diff --git a/SystemDesign/Connector/Hive-TsFile.html b/SystemDesign/Connector/Hive-TsFile.html
index 68a02ae..3532ecf 100644
--- a/SystemDesign/Connector/Hive-TsFile.html
+++ b/SystemDesign/Connector/Hive-TsFile.html
@@ -11,8 +11,8 @@
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/27.5e8d31c1.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -69,6 +69,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/27.704c085d.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/27.5e8d31c1.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/Connector/Spark-IOTDB.html b/SystemDesign/Connector/Spark-IOTDB.html
index 473aea8..0fb0979 100644
--- a/SystemDesign/Connector/Spark-IOTDB.html
+++ b/SystemDesign/Connector/Spark-IOTDB.html
@@ -11,8 +11,8 @@
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/28.c1c684d7.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/28.c1c684d7.js" defer></script>
   </body>
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\ No newline at end of file
diff --git a/SystemDesign/Connector/Spark-TsFile.html b/SystemDesign/Connector/Spark-TsFile.html
index 45fa65b..2e23626 100644
--- a/SystemDesign/Connector/Spark-TsFile.html
+++ b/SystemDesign/Connector/Spark-TsFile.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/29.ad484254.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/29.901ec13c.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -60,6 +60,6 @@ The main logic is inferSchema function in src / main / scala / org / apache / io
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/29.ad484254.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/29.901ec13c.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/AggregationQuery.html b/SystemDesign/DataQuery/AggregationQuery.html
index 86b41a6..568a4a8 100644
--- a/SystemDesign/DataQuery/AggregationQuery.html
+++ b/SystemDesign/DataQuery/AggregationQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/30.a6dc237f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/30.4f7584fa.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -117,6 +117,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/30.a6dc237f.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/30.4f7584fa.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/AlignByDeviceQuery.html b/SystemDesign/DataQuery/AlignByDeviceQuery.html
index 4408b7c..5cc01a6 100644
--- a/SystemDesign/DataQuery/AlignByDeviceQuery.html
+++ b/SystemDesign/DataQuery/AlignByDeviceQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/31.2fea9d75.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/31.6115b58f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -70,6 +70,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/31.2fea9d75.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/31.6115b58f.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/DataQuery.html b/SystemDesign/DataQuery/DataQuery.html
index 28096e1..05ae46c 100644
--- a/SystemDesign/DataQuery/DataQuery.html
+++ b/SystemDesign/DataQuery/DataQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/32.80da1a9a.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/32.a0461a09.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/32.80da1a9a.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/32.a0461a09.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/FillFunction.html b/SystemDesign/DataQuery/FillFunction.html
index fcf85dd..1cb2eda 100644
--- a/SystemDesign/DataQuery/FillFunction.html
+++ b/SystemDesign/DataQuery/FillFunction.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/33.343396c2.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/33.a1013794.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -135,6 +135,6 @@ lBoundTime   lBoundTime            queryTime
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/33.343396c2.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/33.a1013794.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/GroupByFillQuery.html b/SystemDesign/DataQuery/GroupByFillQuery.html
index 4beb4d3..2b6c62a 100644
--- a/SystemDesign/DataQuery/GroupByFillQuery.html
+++ b/SystemDesign/DataQuery/GroupByFillQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/34.dce870b8.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/34.dce870b8.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -117,6 +117,6 @@ private long[] lastTimeArray;
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/34.dce870b8.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/34.dce870b8.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/GroupByQuery.html b/SystemDesign/DataQuery/GroupByQuery.html
index 48bea34..754b173 100644
--- a/SystemDesign/DataQuery/GroupByQuery.html
+++ b/SystemDesign/DataQuery/GroupByQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/35.501c8ce4.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/35.fcc9ec2c.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -205,6 +205,6 @@ if (batchData.getMaxTimestamp() &gt;= curEndTime) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/35.501c8ce4.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/35.fcc9ec2c.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/LastQuery.html b/SystemDesign/DataQuery/LastQuery.html
index d082243..b4c0659 100644
--- a/SystemDesign/DataQuery/LastQuery.html
+++ b/SystemDesign/DataQuery/LastQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/36.0ff0f684.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/36.76dc5082.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -115,6 +115,6 @@ for (TsFileResource resource : unseqFileResources) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/36.0ff0f684.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/36.76dc5082.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/QueryFundamentals.html b/SystemDesign/DataQuery/QueryFundamentals.html
index 1d40416..5453e17 100644
--- a/SystemDesign/DataQuery/QueryFundamentals.html
+++ b/SystemDesign/DataQuery/QueryFundamentals.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/37.f6ca9ff9.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/37.14aa930f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -79,6 +79,6 @@ IPageReader.getAllSatisfiedPageData()
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/37.f6ca9ff9.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/37.14aa930f.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/RawDataQuery.html b/SystemDesign/DataQuery/RawDataQuery.html
index c588eaa..29bb920 100644
--- a/SystemDesign/DataQuery/RawDataQuery.html
+++ b/SystemDesign/DataQuery/RawDataQuery.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/38.c1e29583.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/38.588fa9b8.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -217,6 +217,6 @@ for (int seriesIndex = 0; seriesIndex &lt; seriesNum; seriesIndex++) {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/38.c1e29583.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/38.588fa9b8.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/DataQuery/SeriesReader.html b/SystemDesign/DataQuery/SeriesReader.html
index fe5bc7d..a4d0563 100644
--- a/SystemDesign/DataQuery/SeriesReader.html
+++ b/SystemDesign/DataQuery/SeriesReader.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/39.e210d729.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/39.e210d729.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -234,6 +234,6 @@ return false;
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/39.e210d729.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/39.e210d729.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/PlanExecutor.html b/SystemDesign/QueryEngine/PlanExecutor.html
index 8185e84..46c7258 100644
--- a/SystemDesign/QueryEngine/PlanExecutor.html
+++ b/SystemDesign/QueryEngine/PlanExecutor.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/40.0ef6b80a.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/40.0ef6b80a.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/40.0ef6b80a.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/40.0ef6b80a.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/Planner.html b/SystemDesign/QueryEngine/Planner.html
index cf989a5..a24d6e9 100644
--- a/SystemDesign/QueryEngine/Planner.html
+++ b/SystemDesign/QueryEngine/Planner.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/41.f429052c.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/41.7fabdc90.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/41.7fabdc90.js" defer></script>
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\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/QueryEngine.html b/SystemDesign/QueryEngine/QueryEngine.html
index 3466ec0..f25f5ea 100644
--- a/SystemDesign/QueryEngine/QueryEngine.html
+++ b/SystemDesign/QueryEngine/QueryEngine.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/42.4040b66f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/42.499222f1.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/42.4040b66f.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/QueryEngine/ResultSetConstruction.html b/SystemDesign/QueryEngine/ResultSetConstruction.html
index 1fb8a90..54baaaf 100644
--- a/SystemDesign/QueryEngine/ResultSetConstruction.html
+++ b/SystemDesign/QueryEngine/ResultSetConstruction.html
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/43.4704aa3e.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -61,6 +61,6 @@ The implementation logic can be referred to <a href="/SystemDesign/DataQuery/Ali
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/43.fcab3b74.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/43.4704aa3e.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/SchemaManager/SchemaManager.html b/SystemDesign/SchemaManager/SchemaManager.html
index 09013c5..38bf47a 100644
--- a/SystemDesign/SchemaManager/SchemaManager.html
+++ b/SystemDesign/SchemaManager/SchemaManager.html
@@ -11,8 +11,8 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/44.ca7ac891.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -69,6 +69,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/44.d097786a.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/44.ca7ac891.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/DataManipulation.html b/SystemDesign/StorageEngine/DataManipulation.html
index 51af990..1ff66f7 100644
--- a/SystemDesign/StorageEngine/DataManipulation.html
+++ b/SystemDesign/StorageEngine/DataManipulation.html
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/45.d5b3db6f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -71,6 +71,6 @@ This information will be used to set version to ChunkMetadata when query.</p> <u
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/45.39baf441.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/45.d5b3db6f.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/DataPartition.html b/SystemDesign/StorageEngine/DataPartition.html
index 5dbf085..aa2a557 100644
--- a/SystemDesign/StorageEngine/DataPartition.html
+++ b/SystemDesign/StorageEngine/DataPartition.html
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/46.071b92a0.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/46.bf40e95e.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/46.071b92a0.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/FlushManager.html b/SystemDesign/StorageEngine/FlushManager.html
index 2d93d37..ffc67b9 100644
--- a/SystemDesign/StorageEngine/FlushManager.html
+++ b/SystemDesign/StorageEngine/FlushManager.html
@@ -11,8 +11,8 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/47.bd69d827.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/47.3e45d4a1.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/47.bd69d827.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/MergeManager.html b/SystemDesign/StorageEngine/MergeManager.html
index ade4d0b..97c177c 100644
--- a/SystemDesign/StorageEngine/MergeManager.html
+++ b/SystemDesign/StorageEngine/MergeManager.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/48.09e94972.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -65,6 +65,6 @@ This state does not appear in the merge log in principle</p></div> <div class="p
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/48.09e94972.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/StorageEngine.html b/SystemDesign/StorageEngine/StorageEngine.html
index 5001c0c..89a4ce6 100644
--- a/SystemDesign/StorageEngine/StorageEngine.html
+++ b/SystemDesign/StorageEngine/StorageEngine.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/49.74fe3d99.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -61,6 +61,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/49.74fe3d99.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/StorageEngine/WAL.html b/SystemDesign/StorageEngine/WAL.html
index bad5b66..cd5d4ca 100644
--- a/SystemDesign/StorageEngine/WAL.html
+++ b/SystemDesign/StorageEngine/WAL.html
@@ -11,8 +11,8 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/50.d56d5a89.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/50.6e69d6e4.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/50.d56d5a89.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/Tools/Sync.html b/SystemDesign/Tools/Sync.html
index d46dac5..9720de4 100644
--- a/SystemDesign/Tools/Sync.html
+++ b/SystemDesign/Tools/Sync.html
@@ -11,8 +11,8 @@
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/51.6a69ab31.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -74,6 +74,6 @@ In the application of the synchronization tool, one receiver can receive data fr
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/51.6a69ab31.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/51.6a69ab31.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/TsFile/Format.html b/SystemDesign/TsFile/Format.html
index 8da962f..6618dc2 100644
--- a/SystemDesign/TsFile/Format.html
+++ b/SystemDesign/TsFile/Format.html
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/52.551d7932.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -317,6 +317,6 @@ file length: 33436
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/52.318b719f.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/52.551d7932.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/TsFile/Read.html b/SystemDesign/TsFile/Read.html
index b668170..07b203b 100644
--- a/SystemDesign/TsFile/Read.html
+++ b/SystemDesign/TsFile/Read.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/8.16198d01.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><li [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -204,6 +204,6 @@ Output: The transformed IExpression, which is executable
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/8.f57b04a7.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/8.16198d01.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/SystemDesign/TsFile/TsFile.html b/SystemDesign/TsFile/TsFile.html
index b16a041..d04321b 100644
--- a/SystemDesign/TsFile/TsFile.html
+++ b/SystemDesign/TsFile/TsFile.html
@@ -11,8 +11,8 @@
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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@@ -59,6 +59,6 @@
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       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Architecture/Files.html b/UserGuide/Master/Architecture/Files.html
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
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       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Architecture/Shared Nothing Cluster.html b/UserGuide/Master/Architecture/Shared Nothing Cluster.html
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@@ -55,6 +55,6 @@
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diff --git a/UserGuide/Master/Architecture/Writing Data on HDFS.html b/UserGuide/Master/Architecture/Writing Data on HDFS.html
index c68036b..1e44bdc 100644
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\ No newline at end of file
diff --git a/UserGuide/Master/Client/Command Line Interface.html b/UserGuide/Master/Client/Command Line Interface.html
index 3137d4c..d7ad619 100644
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diff --git a/UserGuide/Master/Client/Programming - JDBC.html b/UserGuide/Master/Client/Programming - JDBC.html
index 1ed14da..46a0eba 100644
--- a/UserGuide/Master/Client/Programming - JDBC.html	
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   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -210,6 +210,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/59.34e95eda.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/59.785eca09.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Client/Programming - MQTT.html b/UserGuide/Master/Client/Programming - MQTT.html
index 2488622..f3b8784 100644
--- a/UserGuide/Master/Client/Programming - MQTT.html	
+++ b/UserGuide/Master/Client/Programming - MQTT.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/60.9174a711.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/60.bb913e88.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -66,7 +66,7 @@ The default <code>json</code> formatter support two json format, and the followi
       <span class="token property">&quot;measurements&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;s2&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
       <span class="token property">&quot;values&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token punctuation">[</span><span class="token number">0.530635</span><span class="token punctuation">,</span><span class="token number">0.530635</span><span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token number">0.530655</span><span class="token punctuati [...]
   <span class="token punctuation">}</span>
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><img src="https://user-images.githubusercontent.com/6711230/78357469-1bf11880-75e4-11ea-978f-a53996667a0d.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><img src="https://user-images.githubusercontent.com/6711230/78357469-1bf11880-75e4-11ea-978f-a53996667a0d.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display [...]
         mqtt<span class="token punctuation">.</span><span class="token function">setHost</span><span class="token punctuation">(</span><span class="token string">&quot;127.0.0.1&quot;</span><span class="token punctuation">,</span> <span class="token number">1883</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
         mqtt<span class="token punctuation">.</span><span class="token function">setUserName</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
         mqtt<span class="token punctuation">.</span><span class="token function">setPassword</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
@@ -100,6 +100,6 @@ The default <code>json</code> formatter support two json format, and the followi
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/60.9174a711.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/60.bb913e88.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Client/Programming - Native API.html b/UserGuide/Master/Client/Programming - Native API.html
index 89423f7..7ff193a 100644
--- a/UserGuide/Master/Client/Programming - Native API.html	
+++ b/UserGuide/Master/Client/Programming - Native API.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/61.70987a1f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/61.dbf13bce.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -102,6 +102,6 @@ you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li>
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/61.70987a1f.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/61.dbf13bce.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Client/Programming - Other Languages.html b/UserGuide/Master/Client/Programming - Other Languages.html
index 336a300..72f54f7 100644
--- a/UserGuide/Master/Client/Programming - Other Languages.html	
+++ b/UserGuide/Master/Client/Programming - Other Languages.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/62.520e690e.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/62.8113f6fd.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -70,6 +70,6 @@ to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-exa
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/62.520e690e.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/62.8113f6fd.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Client/Programming - TsFile API.html b/UserGuide/Master/Client/Programming - TsFile API.html
index d44158c..87ae4fa 100644
--- a/UserGuide/Master/Client/Programming - TsFile API.html	
+++ b/UserGuide/Master/Client/Programming - TsFile API.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/63.892bf6d0.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/63.997336ff.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -241,6 +241,6 @@ config.setXXX();
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/63.892bf6d0.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/63.997336ff.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Client/Status Codes.html b/UserGuide/Master/Client/Status Codes.html
index ea86245..a8c93eb 100644
--- a/UserGuide/Master/Client/Status Codes.html	
+++ b/UserGuide/Master/Client/Status Codes.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/64.8e99d59a.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/64.e385f121.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -72,6 +72,6 @@ A base exception class &quot;ProcessException&quot; is also added to be extended
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/64.8e99d59a.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/64.e385f121.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Concept/Compression.html b/UserGuide/Master/Concept/Compression.html
index f890d29..994b415 100644
--- a/UserGuide/Master/Concept/Compression.html
+++ b/UserGuide/Master/Concept/Compression.html
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/65.ef2d6934.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/65.ef2d6934.js" defer></script>
   </body>
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diff --git a/UserGuide/Master/Concept/Data Model and Terminology.html b/UserGuide/Master/Concept/Data Model and Terminology.html
index 700a9ab..6366444 100644
--- a/UserGuide/Master/Concept/Data Model and Terminology.html	
+++ b/UserGuide/Master/Concept/Data Model and Terminology.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/66.9cf1d26b.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -69,6 +69,6 @@ now() - 1w //1 week earlier than the current server time
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/66.8f4e7fcc.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/66.9cf1d26b.js" defer></script>
   </body>
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diff --git a/UserGuide/Master/Concept/Data Type.html b/UserGuide/Master/Concept/Data Type.html
index ee6345d..47700e3 100644
--- a/UserGuide/Master/Concept/Data Type.html	
+++ b/UserGuide/Master/Concept/Data Type.html	
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/67.bff4abd6.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -61,6 +61,6 @@ error: encoding TS_2DIFF does not support BOOLEAN
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/67.bff4abd6.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/67.bff4abd6.js" defer></script>
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 </html>
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diff --git a/UserGuide/Master/Concept/Encoding.html b/UserGuide/Master/Concept/Encoding.html
index 41f3569..68499e9 100644
--- a/UserGuide/Master/Concept/Encoding.html
+++ b/UserGuide/Master/Concept/Encoding.html
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     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/68.95f0abc1.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -60,6 +60,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/68.95f0abc1.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/68.95f0abc1.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Ecosystem Integration/Grafana.html b/UserGuide/Master/Ecosystem Integration/Grafana.html
index d5f9cc7..3f0aa60 100644
--- a/UserGuide/Master/Ecosystem Integration/Grafana.html	
+++ b/UserGuide/Master/Ecosystem Integration/Grafana.html	
@@ -11,8 +11,8 @@
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/69.d6cdbc61.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -103,6 +103,6 @@ discrete_data_function=LAST_VALUE
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/69.d6cdbc61.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Ecosystem Integration/Hive TsFile.html b/UserGuide/Master/Ecosystem Integration/Hive TsFile.html
index 0c41d7c..2fcdfbe 100644
--- a/UserGuide/Master/Ecosystem Integration/Hive TsFile.html	
+++ b/UserGuide/Master/Ecosystem Integration/Hive TsFile.html	
@@ -11,8 +11,8 @@
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     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/70.57d55887.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -124,6 +124,6 @@ Writing tables to Tsfiles is under development.</p></div> <div class="page-nav">
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
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   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html
index 3526146..0d551c9 100644
--- a/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html	
+++ b/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html	
@@ -11,8 +11,8 @@
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-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/71.0dc3691e.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/71.cfa5606d.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -158,6 +158,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/71.0dc3691e.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/71.cfa5606d.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html
index ce0683a..798d89c 100644
--- a/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html	
+++ b/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/72.5dd2b6e0.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/72.ec47870e.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -117,6 +117,6 @@ public class Example {
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/72.5dd2b6e0.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/72.ec47870e.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Ecosystem Integration/Spark TsFile.html b/UserGuide/Master/Ecosystem Integration/Spark TsFile.html
index 2d7df9f..b94512c 100644
--- a/UserGuide/Master/Ecosystem Integration/Spark TsFile.html	
+++ b/UserGuide/Master/Ecosystem Integration/Spark TsFile.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/73.ea4c6b33.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/73.bc2ba16b.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -116,6 +116,6 @@ There are two ways to show it out:
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/73.ea4c6b33.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/73.bc2ba16b.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Get Started/Frequently asked questions.html b/UserGuide/Master/Get Started/Frequently asked questions.html
index 2513a03..1ba7dd7 100644
--- a/UserGuide/Master/Get Started/Frequently asked questions.html	
+++ b/UserGuide/Master/Get Started/Frequently asked questions.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/74.b1b70bf2.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/74.8cfaade7.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -95,6 +95,6 @@ Readme.md
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/74.b1b70bf2.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/74.8cfaade7.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Get Started/Publication.html b/UserGuide/Master/Get Started/Publication.html
index 16336bd..6c8d59f 100644
--- a/UserGuide/Master/Get Started/Publication.html	
+++ b/UserGuide/Master/Get Started/Publication.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/75.22afa96d.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/75.22afa96d.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -59,6 +59,6 @@
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
   </p></main></div><div class="global-ui"></div></div>
-    <script src="/assets/js/app.d4d13e51.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/75.22afa96d.js" defer></script>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/75.22afa96d.js" defer></script>
   </body>
 </html>
\ No newline at end of file
diff --git a/UserGuide/Master/Get Started/QuickStart.html b/UserGuide/Master/Get Started/QuickStart.html
index 595c3f5..d60bfb9 100644
--- a/UserGuide/Master/Get Started/QuickStart.html	
+++ b/UserGuide/Master/Get Started/QuickStart.html	
@@ -11,8 +11,8 @@
     <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
     <meta name="baidu-site-verification" content="wfKETzB3OT">
     <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
-    <link rel="preload" href="/assets/css/0.styles.10e6524d.css" as="style"><link rel="preload" href="/assets/js/app.d4d13e51.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/76.7b66a0cd.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.21c1accd.js"><link rel="prefetch" href="/assets/js/101.e9da8444.js"><link rel="prefetch" href="/assets/js/102.f00745fa.js"><l [...]
-    <link rel="stylesheet" href="/assets/css/0.styles.10e6524d.css">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/76.39a7d242.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
   </head>
   <body>
     <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
@@ -53,11 +53,13 @@
 <ul><li>Start IoTDB</li> <li>Use IoTDB
 <ul><li>Use Cli</li> <li>Basic commands for IoTDB</li></ul></li> <li>Stop IoTDB</li></ul></li> <li>Only build server</li> <li>Only build cli</li></ul> <p>This short guide will walk you through the basic process of using IoTDB. For a more-complete guide, please visit our website's <a href="/UserGuide/Master/Overview/What is IoTDB.html">User Guide</a>.</p> <h2 id="prerequisites"><a href="#prerequisites" class="header-anchor">#</a> Prerequisites</h2> <p>To use IoTDB, you need to have:</p> < [...]
 <a href="/Download/">Here</a></p> <h2 id="configurations"><a href="#configurations" class="header-anchor">#</a> Configurations</h2> <p>configuration files are under &quot;conf&quot; folder</p> <ul><li>environment config module (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>system config module (<code>iotdb-engine.properties</code>)</li> <li>log config module (<code>logback.xml</code>).</li></ul> <p>For more, see <a href="/UserGuide/Master/Server/Download.html">Chapter3 [...]
-&gt; sbin/start-server.sh -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+&gt; nohup sbin/start-server.sh &gt;/dev/null 2&gt;&amp;1 &amp;
+or
+&gt; nohup sbin/start-server.sh -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt; &gt;/dev/null 2&gt;&amp;1 &amp;
 
 # Windows
 &gt; sbin\start-server.bat -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
-</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>&quot;-c&quot; and &quot;-rpc_port&quot; are optional.</li> <li>option &quot;-c&quot; specifies the system configuration file directory.</li> <li>option &quot;-rpc_port&quot; specifies the rpc port.</li> <li>if both option specified,  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>&quot;-c&quot; and &quot;-rpc_port&quot; are optional.</li> <li>option &quot;-c&quot; specifies the system configuration file directory.</li> <li>option &quot [...]
 </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>to $IOTDB_JMX_OPTS in iotdb-env.sh. or iotdb-env.bat</p> <h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic steps of using Cli tool to insert and query data.</p> <p>After installing IoTDB, there is a de [...]
 default user to login Cli to use IoTDB. The startup script of Cli is the start-cli script in the folder sbin. When executing the script, user should assign
 IP, PORT, USER_NAME and PASSWORD. The default parameters are &quot;-h 127.0.0.1 -p 6667 -u root -pw -root&quot;.</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
@@ -135,6 +137,6 @@ IoTDB&gt; exit
      Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
       Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+data_dirs = /data1/data, /data2/data, /data3/data 
+multi_dir_strategy=MaxDiskUsableSpaceFirstStrategy
+wal_dir= $IOTDB_HOME/data/wal
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>After setting the configuration, the system will:</p> <ul><li>Save all system files in $IOTDB_HOME/data</li> <li>Save TsFile in /data1/data, /data2/data, /data3/data. And the choosing strategy is <code>MaxDiskUsableSpaceFirstStrategy</code>, that is every time data writes to t [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.10.0-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.10.0/lib</co [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Running Cli/Shell</li> <li>Cli/Shell Parameters</li> <li>Cli/shell tool with -e parameter</li></ul></li></ul> <p>IoTDB provides Cli/shell tools for users to interact with IoTDB server in command lines. This document will show how Cli/shell tool works and what does it parameters mean.</p> <blockquote><p>Note: In this document, $IOTDB_HOME represents the path of the IoTDB installation directory.</p></blockquote> <h2 id="build-cli-from-source-code"><a href="#build-cli-from-source-co [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be at the folder &quot;cli/target/iotdb-cli-{project.version}&quot;.</p> <h2 id="running-cli-shell"><a href="#running-cli-shell" class="header-anchor">#</a> Running Cli/Shell</h2> <p>After installation, there is a default user in IoTDB: <code>root</code>, and the
+default password is <code>root</code>. Users can use this username to try IoTDB Cli/Shell tool. The cli startup script is the <code>start-cli</code> file under the $IOTDB_HOME/bin folder. When starting the script, you need to specify the IP and PORT. (Make sure the IoTDB server is running properly when you use Cli/Shell tool to connect it.)</p> <p>Here is an example where the server is started locally and the user has not changed the running port. The default port is
+6667 <br>
+If you need to connect to the remote server or changes
+the port number of the server running, set the specific IP and PORT at -h and -p.<br>
+You also can set your own environment variable at the front of the start script (&quot;/sbin/start-cli.sh&quot; for linux and &quot;/sbin/start-cli.bat&quot; for windows)</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After using these commands, the cli can be started successfully. The successful status will be as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
+|_   _|     |  _   _  ||_   _ `.|_   _ \
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |
+  | | / .'`\ \  | |      | |  | | |  __'.
+ _| |_| \__. | _| |_    _| |_.' /_| |__) |
+|_____|'.__.' |_____|  |______.'|_______/  version &lt;version&gt;
+
+
+IoTDB&gt; login successfully
+IoTDB&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>Enter <code>quit</code> or <code>exit</code> can [...]
+10.129.187.21, port 6667, username &quot;root&quot;, password &quot;root&quot;, and prints the timestamp in digital form. The maximum number of lines displayed on the IoTDB command line is 10.</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side"><a href="#note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side" class="header-anchor">#</a> Note on using the CLI with OpenID Connect Auth enabled on Server side</h3> <p>If OIDC is enabled on server side then no username / passwort is needed but a valid Access Token from the OIDC Provider.
+So as username you use the token and the password has to be empty, e.g.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 10.129.187.21 -p 6667 -u {my-access-token} -pw &quot;&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>How to get the token is dependent on your OpenID Connect setup and not covered here.
+In the simplest case you can get this via the command line with the <code>passwort-grant</code>.
+For example, if you use keycloack as OIDC and you have a realm with a client <code>iotdb</code> defined as public you could use
+the following <code>curl</code> command to fetch a token (replace all <code>{}</code> with appropriate values).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>curl -X POST &quot;https://{your-keycloack-server}/auth/realms/{your-realm}/protocol/openid-connect/token&quot; \                                                                                                                       ✔  1613  11:09:38
+ -H &quot;Content-Type: application/x-www-form-urlencoded&quot; \
+ -d &quot;username={username}&quot; \
+ -d &quot;password={password}&quot; \
+ -d 'grant_type=password' \
+ -d &quot;client_id=iotdb&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>The response looks something like</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code><span class="token punctuation">{</span><span class="token property">&quot;access_tok [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The interesting part here is the access token with the key <code>access_token</code>.
+This has to be passed as username (with parameter <code>-u</code>) and empty password to the CLI.</p> <h2 id="cli-shell-tool-with-e-parameter"><a href="#cli-shell-tool-with-e-parameter" class="header-anchor">#</a> Cli/shell tool with -e parameter</h2> <p>-e parameter is designed for the Cli/shell tool in the situation where you would like to manipulate IoTDB in batches through scripts. By using the -e parameter, you can operate IoTDB without entering the cli's input mode.</p> <p>In order [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system commands:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h {host} -p {port} -u {user} -pw {password} -e {sql for iotdb}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the Windows environment, the SQL statement of the -e parameter needs to use <code>``</code> to replace <code>&quot; &quot;</code></p> <p>In order to better explain the use of -e parameter, take following as an example(On linux system).</p> <p>Suppose you want to create a storage group root.demo to a newly launched IoTDB, create a timeseries root.demo.s1 and insert three data points int [...]
+
+host=127.0.0.1
+port=6667
+user=root
+pass=root
+
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;set storage group to root.demo&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;create timeseries root.demo.s1 WITH DATATYPE=INT32, ENCODING=RLE&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(1,10)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(2,11)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(3,12)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;select s1 from root.demo&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/80.e42e8f43.js" defer></script>
+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Client/Programming - JDBC.html b/UserGuide/Master/Master/Client/Programming - JDBC.html
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index 0000000..940ef97
--- /dev/null
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Client/Programming - JDBC.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Client/Programming - JDBC.html" class="nav-link">简体中文 [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Client/Programming - JDBC.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Client/Programming - JDBC.html" class="nav-link">简体中文 [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-to-install-in-local-maven-repository"><a href="#how-to-install-in-local-maven-repository" class="header-anchor">#</a> How to install in local maven repository</h2> <p>In root directory:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean install -pl jdbc -am -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="using-iotdb-jdbc-with-maven"><a href="#using-iotdb-jdbc-with-maven" class="header-anchor">#</a> Using IoTDB JDBC with Maven</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;dependencies&gt;
+    &lt;dependency&gt;
+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+&lt;/dependencies&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>jdbc</span><span class="token punctuation">.</span><span class="token class-name">IoTDBSQLException</span><span class="token punctuation">;</span>
+
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">JDBCExample</span> <span class="token punctuation">{</span>
+  <span class="token comment">/**
+   * Before executing a SQL statement with a Statement object, you need to create a Statement object using the createStatement() method of the Connection object.
+   * After creating a Statement object, you can use its execute() method to execute a SQL statement
+   * Finally, remember to close the 'statement' and 'connection' objects by using their close() method
+   * For statements with query results, we can use the getResultSet() method of the Statement object to get the result set.
+   */</span>
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punc [...]
+    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token keyword">if</span> <span class="token punctuation">(</span>connection <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;get connection defeat&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">return</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token class-name">Statement</span> statement <span class="token operator">=</span> connection<span class="token punctuation">.</span><span class="token function">createStatement</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Create storage group</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SET STORAGE GROUP TO root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span><span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+
+
+    <span class="token comment">//Show storage group</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW STORAGE GROUP&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Create time series</span>
+    <span class="token comment">//Different data type has different encoding methods. Here use INT32 as an example</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;CREATE TIMESERIES root.demo.s0 WITH DATATYPE=INT32,ENCODING=RLE;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span><span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token comment">//Show time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW TIMESERIES root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Show devices</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW DEVICES&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count nodes at the given level</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT NODES root LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count timeseries group by each node at the given level</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root GROUP BY LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    
+
+    <span class="token comment">//Execute insert statements in batch</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,15);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,17);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(4,12);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">executeBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">clearBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Full query statement</span>
+    <span class="token class-name">String</span> sql <span class="token operator">=</span> <span class="token string">&quot;select * from root.demo&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">ResultSet</span> resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Exact query statement</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time = 4;&quot;</span><span class="token punctuation">;</span>
+    resultSet<span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Time range query</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time &gt;= 2 and time &lt; 5;&quot;</span><span class="token punctuation">;</span>
+    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Aggregate query</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select count(s0) from root.demo;&quot;</span><span class="token punctuation">;</span>
+    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Delete time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;delete timeseries root.demo.s0&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//close connection</span>
+    statement<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    connection<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Connection</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+    <span class="token comment">// JDBC driver name and database URL</span>
+    <span class="token class-name">String</span> driver <span class="token operator">=</span> <span class="token string">&quot;org.apache.iotdb.jdbc.IoTDBDriver&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">String</span> url <span class="token operator">=</span> <span class="token string">&quot;jdbc:iotdb://127.0.0.1:6667/&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// Database credentials</span>
+    <span class="token class-name">String</span> username <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">String</span> password <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      <span class="token class-name">Class</span><span class="token punctuation">.</span><span class="token function">forName</span><span class="token punctuation">(</span>driver<span class="token punctuation">)</span><span class="token punctuation">;</span>
+      connection <span class="token operator">=</span> <span class="token class-name">DriverManager</span><span class="token punctuation">.</span><span class="token function">getConnection</span><span class="token punctuation">(</span>url<span class="token punctuation">,</span> username<span class="token punctuation">,</span> password<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">ClassNotFoundException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">SQLException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token keyword">return</span> connection<span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token comment">/**
+   * This is an example of outputting the results in the ResultSet
+   */</span>
+  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">outputResult</span><span class="token punctuation">(</span><span class="token class-name">ResultSet</span> resultSet<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punctuation">{</span>
+    <span class="token keyword">if</span> <span class="token punctuation">(</span>resultSet <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">final</span> <span class="token class-name">ResultSetMetaData</span> metaData <span class="token operator">=</span> resultSet<span class="token punctuation">.</span><span class="token function">getMetaData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">final</span> <span class="token keyword">int</span> columnCount <span class="token operator">=</span> metaData<span class="token punctuation">.</span><span class="token function">getColumnCount</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+        <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>metaData<span class="token punctuation">.</span><span class="token function">getColumnLabel</span><span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token ope [...]
+      <span class="token punctuation">}</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">while</span> <span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span> <span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+          <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">getString</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+          <span class="token keyword">if</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span><span class="token string">&quot;, &quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+          <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
+            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+            <span class="token keyword">break</span><span class="token punctuation">;</span>
+          <span class="token punctuation">}</span>
+        <span class="token punctuation">}</span>
+      <span class="token punctuation">}</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------\n&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+  <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/81.41a1fb87.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Client/Programming - MQTT.html b/UserGuide/Master/Master/Client/Programming - MQTT.html
new file mode 100644
index 0000000..1d66e12
--- /dev/null
+++ b/UserGuide/Master/Master/Client/Programming - MQTT.html	
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
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+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  Wiki
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+It was designed as an extremely lightweight publish/subscribe messaging transport.
+It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.</p> <p>IoTDB supports the MQTT v3.1(an OASIS Standard) protocol.
+IoTDB server includes a built-in MQTT service that allows remote devices send messages into IoTDB server directly.</p> <img src="https://user-images.githubusercontent.com/6711230/78357432-0c71cf80-75e4-11ea-98aa-c43a54d469ce.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="built-in-mqtt-service"><a href="#built-in-mqtt-service" class="header-anchor">#</a> Built-in MQTT Service</h2> <p>The Built-in MQTT Service provide the [...]
+and then write the data into storage immediately.
+The MQTT topic is corresponding to IoTDB timeseries.
+The messages payload can be format to events by <code>PayloadFormatter</code> which loaded by java SPI, and the default implementation is <code>JSONPayloadFormatter</code>.
+The default <code>json</code> formatter support two json format, and the following is an MQTT message payload example:</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code> <span class="token punctuation">{</span>
+      <span class="token property">&quot;device&quot;</span><span class="token operator">:</span><span class="token string">&quot;root.sg.d1&quot;</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;timestamp&quot;</span><span class="token operator">:</span><span class="token number">1586076045524</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;measurements&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;s2&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;values&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token number">0.530635</span><span class="token punctuation">,</span><span class="token number">0.530635</span><span class="token punctuation">]</span>
+ <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>or</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code><span class="token punctuation">{</span>
+      <span class="token property">&quot;device&quot;</span><span class="token operator">:</span><span class="token string">&quot;root.sg.d1&quot;</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;timestamps&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token number">1586076045524</span><span class="token punctuation">,</span><span class="token number">1586076065526</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;measurements&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;s2&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;values&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token punctuation">[</span><span class="token number">0.530635</span><span class="token punctuation">,</span><span class="token number">0.530635</span><span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token number">0.530655</span><span class="token punctuati [...]
+  <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><img src="https://user-images.githubusercontent.com/6711230/78357469-1bf11880-75e4-11ea-978f-a53996667a0d.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display [...]
+        mqtt<span class="token punctuation">.</span><span class="token function">setHost</span><span class="token punctuation">(</span><span class="token string">&quot;127.0.0.1&quot;</span><span class="token punctuation">,</span> <span class="token number">1883</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        mqtt<span class="token punctuation">.</span><span class="token function">setUserName</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        mqtt<span class="token punctuation">.</span><span class="token function">setPassword</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+        <span class="token class-name">BlockingConnection</span> connection <span class="token operator">=</span> mqtt<span class="token punctuation">.</span><span class="token function">blockingConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        connection<span class="token punctuation">.</span><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+        <span class="token class-name">Random</span> random <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Random</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> <span class="token number">10</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+            <span class="token class-name">String</span> payload <span class="token operator">=</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">format</span><span class="token punctuation">(</span><span class="token string">&quot;{\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;device\&quot;:\&quot;root.sg.d1\&quot;,\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;timestamp\&quot;:%d,\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;measurements\&quot;:[\&quot;s1\&quot;],\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;values\&quot;:[%f]\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;}&quot;</span><span class="token punctuation">,</span> <span class="token class-name">System</span><span class="token punctuation">.</span><span class="token function">currentTimeMillis</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> random<span class="token punctuation">.</span><span class="token function">nextDouble</span><span class="token punctuation">(< [...]
+
+            connection<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">&quot;root.sg.d1.s1&quot;</span><span class="token punctuation">,</span> payload<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token class-name">QoS< [...]
+        <span class="token punctuation">}</span>
+
+        connection<span class="token punctuation">.</span><span class="token function">disconnect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/82.a0058515.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Client/Programming - Native API.html b/UserGuide/Master/Master/Client/Programming - Native API.html
new file mode 100644
index 0000000..bd2b645
--- /dev/null
+++ b/UserGuide/Master/Master/Client/Programming - Native API.html	
@@ -0,0 +1,99 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+    &lt;dependency&gt;
+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;iotdb-session&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+&lt;/dependencies&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="native-apis"><a href="#native-apis" class="header-anchor">#</a> Native APIs</h2> <p>Here we show the commonly used interfaces and their parameters in the Nati [...]
+
+Session(String host, String port, String username, String password)
+
+Session(String host, int port, String username, String password)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li> <li><p>Open a Session</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Session.open()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Close a Session</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>​Session.close()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Set storage group</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void setStorageGroup(String storageGroupId)    
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>​</p></li> <li><p>Delete one or several storage groups</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteStorageGroup(String storageGroup)
+void deleteStorageGroups(List&lt;String&gt; storageGroups)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Create one or multiple timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void createTimeseries(String path, TSDataType dataType,
+        TSEncoding encoding, CompressionType compressor, Map&lt;String, String&gt; props,
+        Map&lt;String, String&gt; tags, Map&lt;String, String&gt; attributes, String measurementAlias)
+        
+void createMultiTimeseries(List&lt;String&gt; paths, List&lt;TSDataType&gt; dataTypes,
+        List&lt;TSEncoding&gt; encodings, List&lt;CompressionType&gt; compressors,
+        List&lt;Map&lt;String, String&gt;&gt; propsList, List&lt;Map&lt;String, String&gt;&gt; tagsList,
+        List&lt;Map&lt;String, String&gt;&gt; attributesList, List&lt;String&gt; measurementAliasList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li> <li><p>Delete one or several timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void [...]
+void deleteTimeseries(List&lt;String&gt; paths)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Delete data before or equal to a timestamp of one or several timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteData(String path, long time)
+void deleteData(List&lt;String&gt; paths, long time)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Insert a Record,which contains multiple measurement value of a device at a timestamp</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecord(String deviceId, long time, List&lt;String&gt; measurements, List&lt;String&gt; values)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert a Tablet,which is multiple rows of a device, each row has the same measurements</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablet(Tablet tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert multiple Tablets</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablets(Map&lt;String, Tablet&gt; tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert multiple Records</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecords(List&lt;String&gt; deviceIds, List&lt;Long&gt; times, 
+                     List&lt;List&lt;String&gt;&gt; measurementsList, List&lt;List&lt;String&gt;&gt; valuesList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h2 id="native-apis-for-profiling-network-cost"><a href="#native-apis-for-profiling-network-cost" class="header-anchor">#</a> Native APIs for profiling network cost</h2> <ul><li><p>Test the network and client cost of insertRecords. This method NOT insert data into database and server just return after accept the request, this method should be  [...]
+                List&lt;List&lt;String&gt;&gt; measurementsList, List&lt;List&lt;String&gt;&gt; valuesList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Test the network and client cost of insertRecord. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecord(String deviceId, long time, List&lt;Strin [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Test the network and client cost of insertTablet. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertTablet(Tablet tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <h2 id="sample-code"><a href="#sample-code" class="header-anchor">#</a> Sample code</h2> <p>To get more information of the following interfaces, please view session/src/main/java/org/apache/iotdb/session/Session.java</p> <p>The sample code of using these interfaces is in example/session/src/main/java/org/apache/iotdb/SessionExample.java,which provides an example of how to open an  [...]
+Using the interface, you need to define the pool size.</p> <p>If you can not get a session connection in 60 secondes, there is a warning log but the program will hang.</p> <p>If a session has finished an operation, it will be put back to the pool automatically.
+If a session connection is broken, the session will be removed automatically and the pool will try
+to create a new session and redo the operation.</p> <p>For query operations:</p> <ol><li>When using SessionPool to query data, the result set is <code>SessionDataSetWrapper</code>;</li> <li>Given a <code>SessionDataSetWrapper</code>, if you have not scanned all the data in it and stop to use it,
+you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>When you call <code>hasNext()</code> and <code>next()</code> of a <code>SessionDataSetWrapper</code> and there is an exception, then
+you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>You can call <code>getColumnNames()</code> of <code>SessionDataSetWrapper</code> to get the column names of query result;</li></ol> <p>Examples: <code>session/src/test/java/org/apache/iotdb/session/pool/SessionPoolTest.java</code></p> <p>Or <code>example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java</code></p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Softw [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
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diff --git a/UserGuide/Master/Master/Client/Programming - Other Languages.html b/UserGuide/Master/Master/Client/Programming - Other Languages.html
new file mode 100644
index 0000000..aa8e316
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@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
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+    <meta name="description" content=" ">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+on Linux or Windows, we will introduce how to operate on the two systems separately.</p> <h3 id="_2-prerequisites"><a href="#_2-prerequisites" class="header-anchor">#</a> 2. Prerequisites</h3> <p>python3.7 or later is preferred.</p> <p>You have to install Thrift (0.11.0 or later) to compile our thrift file into python code. Below is the official
+tutorial of installation:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>http://thrift.apache.org/docs/install/
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="_3-how-to-get-the-python-library"><a href="#_3-how-to-get-the-python-library" class="header-anchor">#</a> 3. How to Get the Python Library</h3> <h4 id="option-1-pip-install"><a href="#option-1-pip-install" class="header-anchor">#</a> Option 1: pip install</h4> <p>You can find the Apache IoTDB Python Client API package on https://pypi.org/project/apache-iotdb/.</p> <p>The download com [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="option-2-use-the-compile-script-we-provided"><a href="#option-2-use-the-compile-script-we-provided" class="header-anchor">#</a> Option 2: use the compile script we provided</h4> <p>If you have added Thrift executable into your path, you may just run <code>client-py/compile.sh</code> or
+<code>client-py\compile.bat</code>, or you will have to modify it to set variable <code>THRIFT_EXE</code> to point to
+your executable. This will generate thrift sources under folder <code>target</code>, you can add it to your
+<code>PYTHONPATH</code> so that you would be able to use the library in your code. Notice that the scripts
+locate the thrift source file by relative path, so if you move the scripts else where, they are
+no longer valid.</p> <h4 id="option-3-basic-usage-of-thrift"><a href="#option-3-basic-usage-of-thrift" class="header-anchor">#</a> Option 3: basic usage of thrift</h4> <p>Optionally, if you know the basic usage of thrift, you can only download the thrift source file in
+<code>service-rpc\src\main\thrift\rpc.thrift</code>, and simply use <code>thrift -gen py -out ./target/iotdb rpc.thrift</code>
+to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-example" class="header-anchor">#</a> 4. Use Example</h3> <p>We provided an example of how to use the thrift library to connect to IoTDB in <code>client-py/src /client_example.py</code>, please read it carefully before you write your own code.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Master/Client/Programming - TsFile API.html b/UserGuide/Master/Master/Client/Programming - TsFile API.html
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+cd tsfile/
+mvn clean package -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.10.0-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the sourc [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
+mvn clean install -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
+   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
+   &lt;version&gt;0.10.0&lt;/version&gt;
+ &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
+, add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
+       &lt;id&gt;allow-snapshots&lt;/id&gt;
+          &lt;activation&gt;&lt;activeByDefault&gt;true&lt;/activeByDefault&gt;&lt;/activation&gt;
+       &lt;repositories&gt;
+         &lt;repository&gt;  
+            &lt;id&gt;apache.snapshots&lt;/id&gt;
+            &lt;name&gt;Apache Development Snapshot Repository&lt;/name&gt;
+            &lt;url&gt;https://repository.apache.org/content/repositories/snapshots/&lt;/url&gt;
+            &lt;releases&gt;
+                &lt;enabled&gt;false&lt;/enabled&gt;
+            &lt;/releases&gt;
+            &lt;snapshots&gt;
+                &lt;enabled&gt;true&lt;/enabled&gt;
+            &lt;/snapshots&gt;
+          &lt;/repository&gt;
+       &lt;/repositories&gt;
+     &lt;/profile&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
+   &lt;version&gt;0.10.0&lt;/version&gt;
+ &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul></li></ul> <h2 id="tsfile-usage"><a href="#tsfile-usage" class="header-anchor">#</a> TSFile Usage</h2> <p>This section demonstrates the detailed usages of TsFile.</p> <h3 id="time-series-data"><a href="#time-series-data" class="head [...]
+sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
+takes a single measurement and produce a time-series, we will use measurement and sensor interchangeably below.</p></li> <li><p><strong>device</strong>: A device refers to an entity that is taking several measurements (producing multiple time-series), e.g.,
+a running train monitors its speed, oil meter, miles it has run, current passengers each is conveyed to a time-series.</p></li></ul> <p>Table 1 illustrates a set of time-series data. The set showed in the following table contains one device named &quot;device_1&quot;
+with three measurements named &quot;sensor_1&quot;, &quot;sensor_2&quot; and &quot;sensor_3&quot;.</p> <center><table style="text-align:center;"><tr><th colspan="6">device_1</th></tr> <tr><th colspan="2">sensor_1</th><th colspan="2">sensor_2</th><th colspan="2">sensor_3</th></tr> <tr><th>time</th><th>value</th><th>time</th><th>value</th><th>time</th><th>value</th></tr> <tr><td>1</td><td>1.2</td><td>1</td><td>20</td><td>2</td><td>50</td></tr> <tr><td>3</td><td>1.4</td><td>2</td><td>20</td [...]
+may have values at a same timestamp, which is called one line of data.</p> <p>Formally, one line of data consists of a <code>device_id</code>, a timestamp which indicates the milliseconds since January 1,
+1970, 00:00:00, and several data pairs composed of <code>measurement_id</code> and corresponding <code>value</code>. All data pairs in one
+line belong to this <code>device_id</code> and have the same timestamp. If one of the <code>measurements</code> does not have a <code>value</code>
+in the <code>timestamp</code>, use a space instead(Actually, TsFile does not store null values). Its format is shown as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_id, timestamp, &lt;measurement_id, value&gt;...
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example is illustrated as follow. In this example, the data type of two measurements are  <code>INT32</code>, <code>FLOAT</code> respectively.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_1, 1490860659000, m1, 10, m2, 12.12
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="writing-tsfile"><a href="#writing-tsfile" class="header-anchor">#</a> Writing TsFile</h3> <h4 id="generate-a-tsfile-file"><a href="#generate-a-tsfile-file" class="header-anchor">#</a> Generate a TsFile File.</h4> <p>A TsFile can be generated by following three steps and the complete code will be given in the section &quot;Example for writing TsFile&quot;.</p> <ul><li><p>First, constr [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>With pre-defined schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(File file, Schema schema) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This one is for using the HDFS file system. <code>TsFileOutput</code> can be an instance of class <code>HDFSOutput</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileOutput output, Schema schema) throws IOException 
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to set some TSFile configuration on your own, you could use param <code>config</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSFileConfig conf = new TSFileConfig();
+conf.setTSFileStorageFs(&quot;HDFS&quot;);
+TsFileWriter tsFileWriter = new TsFileWriter(file, schema, conf);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>In this example, data files will be stored in HDFS, instead of local file system. If you'd like to store data files in local file system, you can use <code>conf.setTSFileStorageFs(&quot;LOCAL&quot;)</code>, which is also the default config.</p> <p>You can also config the ip and port of your HDFS by <code>config.se [...]
+public Schema()
+public Schema(Map&lt;String, MeasurementSchema&gt; measurements)
+// Use this two interfaces to add measurements
+public void registerMeasurement(MeasurementSchema descriptor)
+public void registerMeasurements(Map&lt;String, MeasurementSchema&gt; measurements)
+// Some useful getter and checker
+public TSDataType getMeasurementDataType(String measurementId)
+public MeasurementSchema getMeasurementSchema(String measurementId)
+public Map&lt;String, MeasurementSchema&gt; getAllMeasurementSchema()
+public boolean hasMeasurement(String measurementId)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p>You can a [...]
+​</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void addMeasurement(MeasurementSchema measurementSchema) throws WriteProcessException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The class <code>MeasurementSchema</code> contains the information of one measurement, there are several constructors:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding)
+public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType)
+public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType, 
+Map&lt;String, String&gt; props)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><strong>Parameters:</strong>
+​</p> <ul><li><p>measurementID: The name of this measurement, typically the name of the sensor.</p></li> <li><p>type: The data type, now support six types: <code>BOOLEAN</code>, <code>INT32</code>, <code>INT64</code>, <code>FLOAT</code>, <code>DOUBLE</code>, <code>TEXT</code>;</p></li> <li><p>encoding: The data encoding. See <a href="/UserGuide/Master/Master/Concept/Encoding.html">Chapter 2-3</a>.</p></li> <li><p>compression: The data compression. Now supports <code>UNCOMPRESSED</code> a [...]
+<code>TEXT</code>. Use as string pairs into a map such as (&quot;max_point_number&quot;, &quot;3&quot;).</p></li></ul> <blockquote><p><strong>Notice:</strong> Although one measurement name can be used in multiple deltaObjects, the properties cannot be changed. I.e.
+it's not allowed to add one measurement name for multiple times with different type or encoding.
+Here is a bad example:</p></blockquote> <div class="language- extra-class"><pre><code>  // The measurement &quot;sensor_1&quot; is float type
+  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.FLOAT, TSEncoding.RLE));
+  
+  // This call will throw a WriteProcessException exception
+  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.INT32, TSEncoding.RLE));
+</code></pre></div></li> <li><p>Third, insert and write data continually.</p> <p>Use this interface to create a new <code>TSRecord</code>(a timestamp and device pair).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TSRecord(long timestamp, String deviceId)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then create a <code>DataPoint</code>(a measurement and value pair), and use the addTuple method to add the DataPoint to the correct
+TsRecord.</p> <p>Use this method to write</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void write(TSRecord record) throws IOException, WriteProcessException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Finally, call <code>close</code> to finish this writing process.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void close() throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <p>We are also able to write data into a closed TsFile.</p> <ul><li>Use <code>ForceAppendTsFileWriter</code> to open a closed file.</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public ForceAppendTsFileWriter(File file) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li><p>call <code>doTruncate</code> truncate the part of Metadata</p></li> <li><p>Then use <code>ForceAppendTsFileWriter</code> to construct a new <code>TsFileWriter</code></p></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileIOWriter fileWriter) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Please note, we should redo the step of adding measurements before writing new data to the TsFile.</p> <h4 id="example-for-writing-a-tsfile"><a href="#example-for-writing-a-tsfile" class="header-anchor">#</a> Example for writing a TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You could write a TsFile by constructing <strong>TSRecord</strong> if you have the <strong>non-aligned</strong> (e.g. not all sensors contain values) time series data.</p> <p>A more thorough example can be found at <code>/example/tsfile/src/main/java/org/apache/iotdb/tsfile/TsFileWriteWithTSRecord.java</code></p> <p>You could write a TsFile by constructing <strong>Tablet</strong> if you h [...]
+The last section &quot;sensor_1&quot; is called &quot;measurementId&quot; while the remaining parts &quot;root.area_1.device_1&quot; is called deviceId.
+As mentioned above, the same measurement in different devices has the same data type and encoding, and devices are also unique.</p> <p>In read interfaces, The parameter <code>paths</code> indicates the measurements to be selected.</p> <p>Path instance can be easily constructed through the class <code>Path</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Path p = new Path(&quot;device_1.sensor_1&quot;);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We will pass an ArrayList of paths for final query call to support multiple paths.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>List&lt;Path&gt; paths = new ArrayList&lt;Path&gt;();
+paths.add(new Path(&quot;device_1.sensor_1&quot;));
+paths.add(new Path(&quot;device_1.sensor_3&quot;));
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><blockquote><p><strong>Notice:</strong> When constructing a Path, the format of the parameter should be a dot-separated string, the last part will
+be recognized as measurementId while the remaining parts will be recognized as deviceId.</p></blockquote> <h4 id="definition-of-filter"><a href="#definition-of-filter" class="header-anchor">#</a> Definition of Filter</h4> <h5 id="usage-scenario"><a href="#usage-scenario" class="header-anchor">#</a> Usage Scenario</h5> <p>Filter is used in TsFile reading process to select data satisfying one or more given condition(s).</p> <h4 id="iexpression"><a href="#iexpression" class="header-anchor"> [...]
+We create one or more filter expressions and may use binary filter operators to link them to our final expression.</p> <ul><li><p><strong>Create a Filter Expression</strong></p> <p>There are two types of filters.</p> <ul><li><p>TimeFilter: A filter for <code>time</code> in time-series data.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Use the following relationships to get a <code>TimeFilter</code> object (value is a long int variable).
+<center><table style="text-align:center;"><tr><th>Relationship</th><th>Description</th></tr> <tr><td>TimeFilter.eq(value)</td><td>Choose the time equal to the value</td></tr> <tr><td>TimeFilter.lt(value)</td><td>Choose the time less than the value</td></tr> <tr><td>TimeFilter.gt(value)</td><td>Choose the time greater than the value</td></tr> <tr><td>TimeFilter.ltEq(value)</td><td>Choose the time less than or equal to the value</td></tr> <tr><td>TimeFilter.gtEq(value)</td><td>Choose the t [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The usage of  <code>ValueFilter</code> is the same as using <code>TimeFilter</code>, just to make sure that the type of the value
+equal to the measurement's(defined in the path).</p></li></ul></li> <li><p><strong>Binary Filter Operators</strong></p> <p>Binary filter operators can be used to link two single expressions.</p> <ul><li>BinaryExpression.and(Expression, Expression): Choose the value satisfy for both expressions.</li> <li>BinaryExpression.or(Expression, Expression): Choose the value satisfy for at least one expression.</li></ul></li></ul> <h5 id="filter-expression-examples"><a href="#filter-expression-exam [...]
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.ltEq(15)); // series time &lt;= 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.lt(15)); // series time &lt; 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.gtEq(15)); // series time &gt;= 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.notEq(15)); // series time != 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = BinaryExpression.and(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
+                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // 15 &lt;= series time &lt; 25
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = BinaryExpression.or(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
+                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // series time &gt;= 15 or series time &lt; 25
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="read-interface"><a href="#read-interface" class="header-anchor">#</a> Read Interface</h4> <p>First, we open the TsFile and get a <code>ReadOnlyTsFile</code> instance from a file path string <code>path</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TsFileSequenceReader reader = new TsFileSequenceRe [...]
+   
+ReadOnlyTsFile readTsFile = new ReadOnlyTsFile(reader);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Next, we prepare the path array and query expression, then get final <code>QueryExpression</code> object by this interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>QueryExpression queryExpression = QueryExpression.create(paths, statement);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The ReadOnlyTsFile class has two <code>query</code> method to perform a query.</p> <ul><li><p><strong>Method 1</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p><strong>Method 2</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression, long partitionStartOffset, long partitionEndOffset) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This method is designed for advanced applications such as the TsFile-Spark Connector.</p> <ul><li><p><strong>params</strong> : For method 2, two additional parameters are added to support partial query:</p> <ul><li><code>partitionStartOffset</code>: start offset for a TsFile</li> <li><code>partitionEndOffset</code>: end offset for a TsFile</li></ul> <blockquote><p><strong>What is Partial  [...]
+ INT32,
+ INT64,
+ FLOAT,
+ DOUBLE,
+ TEXT;
+</code></pre></div></li> <li><p><code>RowRecord next() throws IOException;</code></p> <p>Get the next record.</p> <p>The class <code>RowRecord</code> consists of a <code>long</code> timestamp and a <code>List&lt;Field&gt;</code> for data in different sensors,
+we can use two getter methods to get them.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>long getTimestamp();
+List&lt;Field&gt; getFields();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>To get data from one Field, use these methods:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSDataType getDataType();
+Object getObjectValue();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="example-for-reading-an-existing-tsfile"><a href="#example-for-reading-an-existing-tsfile" class="header-anchor">#</a> Example for reading an existing TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <p>A more thorough example with query statement can be found at
+<code>/tsfile/example/src/main/java/org/apache/iotdb/tsfile/TsFileRead.java</code></p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">package</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">IOException</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">ArrayList</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read</span><span class="token punctuation">.</span><span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read</span><span class="token punctuation">.</span><span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>common</span><span class="token punctuation">.</span><span class="token class-name">Path</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">IExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">QueryExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">BinaryExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">GlobalTimeExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">SingleSeriesExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">TimeFilter</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">ValueFilter</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>query<span class="token punctuation">.</span>dataset</span><span class="token punctuation">.</span><span class="token class-name">QueryDataSet</span><span class="token punctuation">;</span>
+
+<span class="token comment">/**
+ * The class is to show how to read TsFile file named &quot;test.tsfile&quot;.
+ * The TsFile file &quot;test.tsfile&quot; is generated from class TsFileWrite.
+ * Run TsFileWrite to generate the test.tsfile first
+ */</span>
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileRead</span> <span class="token punctuation">{</span>
+  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">queryAndPrint</span><span class="token punctuation">(</span><span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths<span class="token punctuation">,</span> <span class="token [...]
+          <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
+    <span class="token class-name">QueryExpression</span> queryExpression <span class="token operator">=</span> <span class="token class-name">QueryExpression</span><span class="token punctuation">.</span><span class="token function">create</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> statement<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">QueryDataSet</span> queryDataSet <span class="token operator">=</span> readTsFile<span class="token punctuation">.</span><span class="token function">query</span><span class="token punctuation">(</span>queryExpression<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token keyword">while</span> <span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punct [...]
+
+    <span class="token comment">// file path</span>
+    <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// create reader and get the readTsFile interface</span>
+    <span class="token class-name">TsFileSequenceReader</span> reader <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">ReadOnlyTsFile</span> readTsFile <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">(</span>reader<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">// use these paths(all sensors) for all the queries</span>
+    <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token punctuation">&gt;</span></span><span class="token punct [...]
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_2&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// no query statement</span>
+    <span class="token function">queryAndPrint</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> readTsFile<span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//close the reader when you left</span>
+    reader<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+config.setXXX();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+    writeData();
+} catch (SQLException e) {
+  // the most case is that the time series does not exist
+  if (e.getMessage().contains(&quot;exist&quot;)) {
+      //However, using the content of the error message is not so efficient
+      registerTimeSeries();
+      //write data once again
+      writeData();
+  }
+}
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+A base exception class &quot;ProcessException&quot; is also added to be extended by all exceptions.</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Master/Concept/Compression.html b/UserGuide/Master/Master/Concept/Compression.html
new file mode 100644
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/87.32cd7b1a.js" defer></script>
+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Concept/Data Model and Terminology.html b/UserGuide/Master/Master/Concept/Data Model and Terminology.html
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index 0000000..66a3f94
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="generator" content="VuePress 1.5.0">
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+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+LayerName: Identifier | STAR
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Among them, STAR is &quot;*&quot; and DOT is &quot;.&quot;.</p> <p>We call the middle part of a path between two &quot;.&quot; as a layer, and thus <code>root.A.B.C</code> is a path with four layers.</p> <p>It is worth noting that in the path, root is a reserved character, which is only allowed to appear at the beginning of the time series mentioned b [...]
+<table><thead><tr><th style="text-align:center;">Format</th></tr></thead> <tbody><tr><td style="text-align:center;">yyyy-MM-dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy-MM-dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd'T'HH:mm:ss</td></tr> <tr><td style=" [...]
+<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">G</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td></tr> <tr><td style="text-align:center;">C</td> <td style="text-align:center;">century of era (&gt;=0)</td> <td  [...]
+ RelativeTime = (now() | DATETIME) ((+|-) Duration)+
+       
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div> <center>**The syntax of the duration unit**
+<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">y</td> <td style="text-align:center;">year</td> <td style="text-align:center;">1y=365 days</td> <td style="text-align:center;">1y</td></tr> <tr><td style="text-align:center;">mo</td> <td style="text-align:center;">month</td> <td style="te [...]
+now() - 1w //1 week earlier than the current server time
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><blockquote><p>Note:There must be spaces on the left and right of '+' and '-'.</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Concept/Data Type.html b/UserGuide/Master/Master/Concept/Data Type.html
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+error: encoding TS_2DIFF does not support BOOLEAN
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
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+<html lang="en-US">
+  <head>
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<table><thead><tr><th style="text-align:center;">Data Type</th> <th style="text-align:center;">Supported Encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">BOOLEAN</td> <td style="text-align:center;">PLAIN, RLE</td></tr> <tr><td style="text-align:center;">INT32</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, REGULAR</td></tr> <tr><td style="text-align:center;">INT64</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, REGULAR</td></tr> <tr><td style="text [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  Sponsorship
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Grafana.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Grafana.html" class="nav-li [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Grafana.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Grafana.html" class="nav-li [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Grafana installation
+<ul><li>Install Grafana</li> <li>Install data source plugin</li> <li>Start Grafana</li></ul></li> <li>IoTDB installation</li> <li>IoTDB-Grafana installation
+<ul><li>Start IoTDB-Grafana</li></ul></li> <li>Explore in Grafana
+<ul><li>Add data source</li> <li>Design in dashboard</li></ul></li></ul></li></ul> <h1 id="iotdb-grafana-2"><a href="#iotdb-grafana-2" class="header-anchor">#</a> IoTDB-Grafana</h1> <p>This project provides a connector which reads data from IoTDB and sends to Grafana(https://grafana.com/). Before you use this tool, make sure Grafana and IoTDB are correctly installed and started.</p> <h2 id="grafana-installation"><a href="#grafana-installation" class="header-anchor">#</a> Grafana installa [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, you can manually download the .zip file and unpack it into your grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugins\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <h3 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start [...]
+First make sure homebrew/services is installed by running <code>brew tap homebrew/services</code>, then start Grafana using: <code>brew services start grafana</code>.
+See more information <a href="http://docs.grafana.org/installation/mac/" target="_blank" rel="noopener noreferrer">here<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="start-iotdb-grafana"><a href="#start-iotdb-grafana" class="header-anchor">#</a> Start IoTDB-Grafana</h3> <h4 id="option-one"><a href="#option-one" class="header-anchor">#</a> Option one</h4> <p>Import the entire project, after the maven dependency is installed, directly run<code>incubatoriotdb/grafana/rc/main/java/org/apache/iotdb/web/grafana</code>directory<code>TsfileWebDemoApplica [...]
+mvn clean package -pl grafana -am -Dmaven.test.skip<span class="token operator">=</span>true
+<span class="token builtin class-name">cd</span> grafana/target
+java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>If you see the following output, iotdb-grafana connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</s [...]
+
+  <span class="token builtin class-name">.</span>   ____          _            __ _ _
+ /<span class="token punctuation">\</span><span class="token punctuation">\</span> / ___<span class="token string">'_ __ _ _(_)_ __  __ _ \ \ \ \
+( ( )\___ | '</span>_ <span class="token operator">|</span> <span class="token string">'_| | '</span>_ <span class="token punctuation">\</span>/ _` <span class="token operator">|</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span>
+ <span class="token punctuation">\</span><span class="token punctuation">\</span>/  ___<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">||</span> <span class="token p [...]
+  '  <span class="token operator">|</span>____<span class="token operator">|</span> .__<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">\</span>__, <span class="token operator">|</span> / / / /
+ <span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">=</span><span class="token operator">|</span>_<span class="token operator">|</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span [...]
+ :: Spring Boot ::        <span class="token punctuation">(</span>v1.5.4.RELEASE<span class="token punctuation">)</span>
+<span class="token punctuation">..</span>.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>If you need to configure properties, move the <c [...]
+<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="design-in-dashboard"><a href="#design-in-dashboard [...]
+spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
+spring.datasource.username=root
+spring.datasource.password=root
+spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
+server.port=8888
+# Use this value to set timestamp precision as &quot;ms&quot;, &quot;us&quot; or &quot;ns&quot;, which must to be same with the timestamp
+# precision of Apache IoTDB engine.
+timestamp_precision=ms
+
+# Use this value to set down sampling true/false
+isDownSampling=true
+# defaut sampling intervals
+interval=1m
+# aggregation function to use to downsampling the data (int, long, float, double)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MAX_VALUE, AVG, MIN_TIME, MIN_VALUE, NOW, SUM
+continuous_data_function=AVG
+# aggregation function to use to downsampling the data (boolean, string)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MIN_TIME, NOW
+discrete_data_function=LAST_VALUE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html b/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html
new file mode 100644
index 0000000..9c880de
--- /dev/null
+++ b/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html	
@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
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+  Foundation
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+  License
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+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html" class [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  License
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+  Sponsorship
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Hive TsFile.html" class [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>About TsFile-Hive-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>Add Dependency For Hive</li> <li>Creating Tsfile-backed Hive tables</li> <li>Querying from Tsfile-backed Hive tables
+<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsfile type. This enables users to operate Tsfile by Hive.</p> <p>With this connector, you can</p> <ul><li>Load a single TsFile, from either the local file [...]
+
+Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar] to class path
+Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="creating-tsfile-backed-hive-tables"><a href="#creating-tsfile-backed-hive-tables" class="header-anchor">#</a> Creating Tsfile-backed Hive tables</h2> <p>To create a Tsfile-backed table, specify the <code>serde</code> as <code>org.apache.iotdb.hive.TsFileSerDe</code>,
+specify the <code>inputformat</code> as <code>org.apache.iotdb.hive.TSFHiveInputFormat</code>,
+and the <code>outputformat</code> as <code>org.apache.iotdb.hive.TSFHiveOutputFormat</code>.</p> <p>Also provide a schema which only contains two fields: <code>time_stamp</code> and <code>sensor_id</code> for the table.
+<code>time_stamp</code> is the time value of the time series
+and <code>sensor_id</code> is the name of the sensor you want to extract from the tsfile to hive such as <code>sensor_1</code>.
+The name of the table can be any valid tables names in hive.</p> <p>Also provide a location from which hive-connector will pull the most current data for the table.</p> <p>The location must be a specific directory, it can be on your local file system or HDFS if you have set up Hadoop.
+If it is in your local file system, the location should look like <code>file:///data/data/sequence/root.baic2.WWS.leftfrontdoor/</code></p> <p>At last, you should set the <code>device_id</code> in <code>TBLPROPERTIES</code> to the device name you want to analyze.</p> <p>For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE EXTERNAL TABLE IF NOT EXISTS only_sensor_1(
+  time_stamp TIMESTAMP,
+  sensor_1 BIGINT)
+ROW FORMAT SERDE 'org.apache.iotdb.hive.TsFileSerDe'
+STORED AS
+  INPUTFORMAT 'org.apache.iotdb.hive.TSFHiveInputFormat'
+  OUTPUTFORMAT 'org.apache.iotdb.hive.TSFHiveOutputFormat'
+LOCATION '/data/data/sequence/root.baic2.WWS.leftfrontdoor/'
+TBLPROPERTIES ('device_id'='root.baic2.WWS.leftfrontdoor.plc1');
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>In this example we're pulling the data of <code>root.baic2.WWS.leftfrontdoor.plc1.senso [...]
+This table might result in a description as below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive&gt; describe only_sensor_1;
+OK
+time_stamp          	timestamp              	from deserializer
+sensor_1            	bigint              	from deserializer
+Time taken: 0.053 seconds, Fetched: 2 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>At this point, the Tsfile-backed table can be worked with in Hive like any other table.</p> <h2 id="querying-from-tsfile-backed-hive-tables"><a href="#querying-from-tsfile-backed-hive-tables" class="header-anchor">#</a> Querying from Tsfil [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Now, we already have an external table named <code>only_sensor_1</code> in hive.
+We can use any query operations through HQL to analyse it.</p> <p>For example:</p> <h3 id="select-clause-example"><a href="#select-clause-example" class="header-anchor">#</a> Select Clause Example</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive&gt; select * from only_sensor_1 limit 10;
+OK
+1	1000000
+2	1000001
+3	1000002
+4	1000003
+5	1000004
+6	1000005
+7	1000006
+8	1000007
+9	1000008
+10	1000009
+Time taken: 1.464 seconds, Fetched: 10 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+WARNING: Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution engine (i.e. spark, tez) or using Hive 1.X releases.
+Query ID = jackietien_20191016202416_d1e3e233-d367-4453-b39a-2aac9327a3b6
+Total jobs = 1
+Launching Job 1 out of 1
+Number of reduce tasks determined at compile time: 1
+In order to change the average load for a reducer (in bytes):
+  set hive.exec.reducers.bytes.per.reducer=&lt;number&gt;
+In order to limit the maximum number of reducers:
+  set hive.exec.reducers.max=&lt;number&gt;
+In order to set a constant number of reducers:
+  set mapreduce.job.reduces=&lt;number&gt;
+Job running in-process (local Hadoop)
+2019-10-16 20:24:18,305 Stage-1 map = 0%,  reduce = 0%
+2019-10-16 20:24:27,443 Stage-1 map = 100%,  reduce = 100%
+Ended Job = job_local867757288_0002
+MapReduce Jobs Launched:
+Stage-Stage-1:  HDFS Read: 0 HDFS Write: 0 SUCCESS
+Total MapReduce CPU Time Spent: 0 msec
+OK
+1000000
+Time taken: 11.334 seconds, Fetched: 1 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Writing tables to Tsfiles is under development.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/92.817e40c1.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.html
new file mode 100644
index 0000000..ae91a09
--- /dev/null
+++ b/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.html	
@@ -0,0 +1,155 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
+    <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.h [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/MapReduce TsFile.h [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>About TsFile-Hadoop-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>TSFInputFormat Explanation</li> <li>Examples
+<ul><li>Read Example: calculate the sum</li> <li>Write Example: write the average into Tsfile</li></ul></li></ul></li></ul> <h1 id="tsfile-hadoop-connector-user-guide"><a href="#tsfile-hadoop-connector-user-guide" class="header-anchor">#</a> TsFile-Hadoop-Connector User Guide</h1> <h2 id="about-tsfile-hadoop-connector"><a href="#about-tsfile-hadoop-connector" class="header-anchor">#</a> About TsFile-Hadoop-Connector</h2> <p>TsFile-Hadoop-Connector implements the support of Hadoop for ext [...]
+    &quot;time_stamp&quot;: 10000000,
+    &quot;device_id&quot;:  d1,
+    &quot;s1&quot;:         true,
+    &quot;s2&quot;:         3.14,
+    &quot;s3&quot;:         &quot;middle&quot;
+}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>In the Map job of Hadoop, you can get any value you want by key as following:</p> <p><code>mapwritable.get(new Text(&quot;s1&quot;))</code></p> <blockquote><p>Note [...]
+    TSFInputFormat.setReadTime(job, true); 
+    // configure reading deviceId enable
+    TSFInputFormat.setReadDeviceId(job, true); 
+    // configure reading which deltaObjectIds
+    String[] deviceIds = {&quot;device_1&quot;};
+    TSFInputFormat.setReadDeviceIds(job, deltaObjectIds);
+    // configure reading which measurementIds
+    String[] measurementIds = {&quot;sensor_1&quot;, &quot;sensor_2&quot;, &quot;sensor_3&quot;};
+    TSFInputFormat.setReadMeasurementIds(job, measurementIds);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>And then,the output key and value of mapper and  [...]
+    job.setInputFormatClass(TSFInputFormat.class);
+    // set mapper output key and value
+    job.setMapOutputKeyClass(Text.class);
+    job.setMapOutputValueClass(DoubleWritable.class);
+    // set reducer output key and value
+    job.setOutputKeyClass(Text.class);
+    job.setOutputValueClass(DoubleWritable.class);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>Then, the <code>mapper</code> and <code>reducer</code> class is how you deal with the <code>MapWritable</code> produced by <c [...]
+
+    @Override
+    protected void map(NullWritable key, MapWritable value,
+        Mapper&lt;NullWritable, MapWritable, Text, DoubleWritable&gt;.Context context)
+        throws IOException, InterruptedException {
+
+      Text deltaObjectId = (Text) value.get(new Text(&quot;device_id&quot;));
+      context.write(deltaObjectId, (DoubleWritable) value.get(new Text(&quot;sensor_3&quot;)));
+    }
+  }
+
+  public static class TSReducer extends Reducer&lt;Text, DoubleWritable, Text, DoubleWritable&gt; {
+
+    @Override
+    protected void reduce(Text key, Iterable&lt;DoubleWritable&gt; values,
+        Reducer&lt;Text, DoubleWritable, Text, DoubleWritable&gt;.Context context)
+        throws IOException, InterruptedException {
+
+      double sum = 0;
+      for (DoubleWritable value : values) {
+        sum = sum + value.get();
+      }
+      context.write(key, new DoubleWritable(sum));
+    }
+  }
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+   // set reducer output key and value
+   job.setOutputKeyClass(NullWritable.class);
+   job.setOutputValueClass(HDFSTSRecord.class);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Then, the <code>mapper</code> and <code>reducer</code> class is how you deal with the <code>MapWritable</code> produced by <code>TSFInputFormat</code> class.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>    public static class TSMapper extends  [...]
+        @Override
+        protected void map(NullWritable key, MapWritable value,
+                           Mapper&lt;NullWritable, MapWritable, Text, MapWritable&gt;.Context context)
+                throws IOException, InterruptedException {
+
+            Text deltaObjectId = (Text) value.get(new Text(&quot;device_id&quot;));
+            long timestamp = ((LongWritable)value.get(new Text(&quot;timestamp&quot;))).get();
+            if (timestamp % 100000 == 0) {
+                context.write(deltaObjectId, new MapWritable(value));
+            }
+        }
+    }
+
+    /**
+     * This reducer calculate the average value.
+     */
+    public static class TSReducer extends Reducer&lt;Text, MapWritable, NullWritable, HDFSTSRecord&gt; {
+
+        @Override
+        protected void reduce(Text key, Iterable&lt;MapWritable&gt; values,
+                              Reducer&lt;Text, MapWritable, NullWritable, HDFSTSRecord&gt;.Context context) throws IOException, InterruptedException {
+            long sensor1_value_sum = 0;
+            long sensor2_value_sum = 0;
+            double sensor3_value_sum = 0;
+            long num = 0;
+            for (MapWritable value : values) {
+                num++;
+                sensor1_value_sum += ((LongWritable)value.get(new Text(&quot;sensor_1&quot;))).get();
+                sensor2_value_sum += ((LongWritable)value.get(new Text(&quot;sensor_2&quot;))).get();
+                sensor3_value_sum += ((DoubleWritable)value.get(new Text(&quot;sensor_3&quot;))).get();
+            }
+            HDFSTSRecord tsRecord = new HDFSTSRecord(1L, key.toString());
+            DataPoint dPoint1 = new LongDataPoint(&quot;sensor_1&quot;, sensor1_value_sum / num);
+            DataPoint dPoint2 = new LongDataPoint(&quot;sensor_2&quot;, sensor2_value_sum / num);
+            DataPoint dPoint3 = new DoubleDataPoint(&quot;sensor_3&quot;, sensor3_value_sum / num);
+            tsRecord.addTuple(dPoint1);
+            tsRecord.addTuple(dPoint2);
+            tsRecord.addTuple(dPoint3);
+            context.write(NullWritable.get(), tsRecord);
+        }
+    }
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/93.5a221759.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Ecosystem Integration/Spark IoTDB.html b/UserGuide/Master/Master/Ecosystem Integration/Spark IoTDB.html
new file mode 100644
index 0000000..3bb3d55
--- /dev/null
+++ b/UserGuide/Master/Master/Ecosystem Integration/Spark IoTDB.html	
@@ -0,0 +1,114 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
+    <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/94.95474d1f.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js"><l [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Spark IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Spark IoTDB.html" class [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;spark-iotdb-connector&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
+
+import org.apache.iotdb.spark.db._
+
+val df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;,&quot;select * from root&quot;).load
+
+df.printSchema()
+
+df.show()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="if-you-want-to-partition-your-rdd-you-can-do-as-following"><a href="#if-you-want-t [...]
+
+import org.apache.iotdb.spark.db._
+
+val df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;,&quot;select * from root&quot;).
+                        option(&quot;lowerBound&quot;, [lower bound of time that you want query(include)]).option(&quot;upperBound&quot;, [upper bound of time that you want query(include)]).
+                        option(&quot;numPartition&quot;, [the partition number you want]).load
+
+df.printSchema()
+
+df.show()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h1 id="_3-s [...]
+
+val wide_df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;, &quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;, &quot;select * from root where time &lt; 1100 and time &gt; 1000&quot;).load
+val narrow_df = Transformer.toNarrowForm(spark, wide_df)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="from-narrow-to-wide"><a href="#from-narrow-to-wide" class="header-anchor">#</a> from narrow to wide</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.iotdb.spark.db._
+
+val wide_df = Transformer.toWideForm(spark, narrow_df)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h1 id="_5-java-user-guide"><a href="#_5-java-user-guide" class="header-anchor">#</a> 5. Java user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Row;
+import org.apache.spark.sql.SparkSession;
+import org.apache.iotdb.spark.db.*
+
+public class Example {
+
+  public static void main(String[] args) {
+    SparkSession spark = SparkSession
+        .builder()
+        .appName(&quot;Build a DataFrame from Scratch&quot;)
+        .master(&quot;local[*]&quot;)
+        .getOrCreate();
+
+    Dataset&lt;Row&gt; df = spark.read().format(&quot;org.apache.iotdb.spark.db&quot;)
+        .option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;)
+        .option(&quot;sql&quot;,&quot;select * from root&quot;).load();
+
+    df.printSchema();
+
+    df.show();
+    
+    Dataset&lt;Row&gt; narrowTable = Transformer.toNarrowForm(spark, df)
+    narrowTable.show()
+  }
+}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/94.95474d1f.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Ecosystem Integration/Spark TsFile.html b/UserGuide/Master/Master/Ecosystem Integration/Spark TsFile.html
new file mode 100644
index 0000000..6454002
--- /dev/null
+++ b/UserGuide/Master/Master/Ecosystem Integration/Spark TsFile.html	
@@ -0,0 +1,113 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  Sponsorship
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Ecosystem Integration/Spark TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Ecosystem Integration/Spark TsFile.html" cla [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h3> <p>Start Spark with TsFi [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h2 id="_4-data-type-correspondence"><a href="#_4-data-type-correspondence" class="header-anchor">#</a> 4. Data Type Corresponde [...]
+<span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">)</span>  
+wide_df<span class="token punctuation">.</span>show
+
+<span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
+narrow_df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-2-read-from-the-hadoop-file-system"><a href="#example-2-read-from-the-hadoop-file-system" class="header-anchor">#</a> Example 2: read from the hadoop file system</h3> <div class="language- [...]
+<span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+wide_df<span class="token punctuation">.</span>show
+
+<span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
+narrow_df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-3-read-from-a-specific-directory"><a href="#example-3-read-from-a-specific-directory" class="header-anchor">#</a> Example 3: read from a specific directory</h3> <div class="language-scala  [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/usr/hadoop&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Note 1: Global time ordering of all TsFiles in a directory is not supported now.</p> <p>Note 2: Measurements of the same name should have the same schema.</p> <h3 id="example-4-query-in-wide-form"><a href="#example-4-query-in-wide-form" class="header-anchor">#</a> Example 4: query in wide form</h3> <div class="lan [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where `device_1.sensor_1`&gt;0 and `device_1.sensor_2` &lt; 22&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-5-query-in-narrow-form"><a href="#example-5-query-in-narrow-form" class="header-anchor">#</a> Example 5: query in narrow form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="to [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where device_name = 'root.ln.wf02.wt02' and temperature &gt; 5&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-6-write-in-wide-form"><a href="#example-6-write-in-wide-form" class="header-anchor">#</a> Example 6: write in wide form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token co [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">.</span>_
+
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+df<span class="token punctuation">.</span>write<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">)</span>
+
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="example-6-write-in-narrow-form"><a href="#example-6-write-in-narrow-form" class="h [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">.</span>_
+
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+df<span class="token punctuation">.</span>write<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>
+
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="appendix-a-old-design-of-schema-inference"><a href="#appendix-a-old-design-of-sche [...]
+There are two ways to show it out:
+<h4 id="the-default-way"><a href="#the-default-way" class="header-anchor">#</a> the default way</h4> <p>Two columns will be created to store the full path of the device: time(LongType) and delta_object(StringType).</p> <ul><li><code>time</code> : Timestamp, LongType</li> <li><code>delta_object</code> : Delta_object ID, StringType</li></ul> <p>Next, a column is created for each Measurement to store the specific data. The SparkSQL table structure is as follows:</p> <center><table style="te [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/95.950b5844.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Get Started/Frequently asked questions.html b/UserGuide/Master/Master/Get Started/Frequently asked questions.html
new file mode 100644
index 0000000..57f1ad0
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+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>How can I identify my version of IoTDB?</li> <li>Where can I find IoTDB logs?</li> <li>Where can I find IoTDB data files?</li> <li>How do I know how many time series are stored in IoTDB?</li> <li>Can I use Hadoop and Spark to read TsFile in IoTDB?</li> <li>How does IoTDB handle duplicate points?</li> <li>How can I tell what type of the specific timeseries?</li> <li>How can I change IoTDB's Cli time display format?</li></ul></li></ul> <h2 id="how-can-i-identify-my-version-of-iotdb [...]
+ _____       _________  ______   ______    
+|_   _|     |  _   _  ||_   _ `.|_   _ \   
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |  
+  | | / .'`\ \  | |      | |  | | |  __'.  
+ _| |_| \__. | _| |_    _| |_.' /_| |__) | 
+|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;x.x.x&lt;/version&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use JDBC API:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>String iotdbVersion = tsfileDatabaseMetadata.getDatabaseProductVersion();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use Command Line Interface:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show version
+show version
++---------------+
+|version        |
++---------------+
+|x.x.x          |
++---------------+
+Total line number = 1
+It costs 0.241s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="where-can-i-find-iotdb-logs"><a href="#where-can-i-find-iotdb-logs" class="header- [...]
+/workspace/incubator-iotdb
+
+$ ls -l
+server/
+cli/
+pom.xml
+Readme.md
+...
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>Let <code>$IOTDB_HOME = /workspace/incubator-iotdb/server/target/iotdb-server-{project. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the result, there will be a statement shows <code>Total timeseries number</code>, this number is the timeseries number in IoTDB.</p> <p>In the current version, IoTDB supports querying the number of time series. Use IoTDB's Command Line Interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; count timeseries root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you are using Linux, you can use the following shell command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; grep &quot;0,root&quot; $IOTDB_HOME/data/system/schema/mlog.txt |  wc -l
+&gt;   6
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb"><a href="#can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb" class="header-anchor">#</a> Can I use Hadoop and Spark to read TsFile in IoTDB?</h2> <p>Yes. IoTDB has intense integration with Open Source Ecosystem. IoTDB supports <a href="https://github.com/apache/incubator-iotdb/tree/master/hadoo [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to query specific sensor, you can replace the &lt;timeseries path&gt; with the sensor name. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.s1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Otherwise, you can also use wildcard in timeseries path:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-can-i-change-iotdb-s-cli-time-display-format"><a href="#how-can-i-change-iotdb-s-cli-time-display-format" class="header-anchor">#</a> How can I change IoTDB's Cli time display format?</h2> <p>The default IoTDB's Cli time display format is human readable (e.g. <code>1970-01-01T08:00:00.001</code>), if you want to display time in timestamp type or other readable format, add paramet [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/96.956001e8.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Get Started/Publication.html b/UserGuide/Master/Master/Get Started/Publication.html
new file mode 100644
index 0000000..6777307
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Build from source
+<ul><li>Configurations</li></ul></li></ul></li> <li>Start
+<ul><li>Start IoTDB</li> <li>Use IoTDB
+<ul><li>Use Cli</li> <li>Basic commands for IoTDB</li></ul></li> <li>Stop IoTDB</li></ul></li> <li>Only build server</li> <li>Only build cli</li></ul> <p>This short guide will walk you through the basic process of using IoTDB. For a more-complete guide, please visit our website's <a href="/UserGuide/Master/Master/Overview/What is IoTDB.html">User Guide</a>.</p> <h2 id="prerequisites"><a href="#prerequisites" class="header-anchor">#</a> Prerequisites</h2> <p>To use IoTDB, you need to have [...]
+<a href="/Download/">Here</a></p> <h2 id="configurations"><a href="#configurations" class="header-anchor">#</a> Configurations</h2> <p>configuration files are under &quot;conf&quot; folder</p> <ul><li>environment config module (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>system config module (<code>iotdb-engine.properties</code>)</li> <li>log config module (<code>logback.xml</code>).</li></ul> <p>For more, see <a href="/UserGuide/Master/Master/Server/Download.html">C [...]
+&gt; nohup sbin/start-server.sh &gt;/dev/null 2&gt;&amp;1 &amp;
+or
+&gt; nohup sbin/start-server.sh -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt; &gt;/dev/null 2&gt;&amp;1 &amp;
+
+# Windows
+&gt; sbin\start-server.bat -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>&quot;-c&quot; and &quot;-rpc_port&quot; are optional.</li> <li>option &quot;-c&quot; specifies the system configuration file directory.</li> <li>option &quot [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>to $IOTDB_JMX_OPTS in iotdb-env.sh. or iotdb-env.bat</p> <h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic steps of using Cli tool to insert and query data.</p> <p>After installing IoTDB, there is a de [...]
+default user to login Cli to use IoTDB. The startup script of Cli is the start-cli script in the folder sbin. When executing the script, user should assign
+IP, PORT, USER_NAME and PASSWORD. The default parameters are &quot;-h 127.0.0.1 -p 6667 -u root -pw -root&quot;.</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
+&gt; sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root
+
+# Windows
+&gt; sbin\start-cli.bat -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>The command line client is interactive so if everything is ready you should see the welcome logo and statements:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
+|_   _|     |  _   _  ||_   _ `.|_   _ \
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |
+  | | / .'`\ \  | |      | |  | | |  __'.
+ _| |_| \__. | _| |_    _| |_.' /_| |__) |
+|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
+
+
+IoTDB&gt; login successfully
+IoTDB&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h4 id="basic-commands-for-iotdb"><a href="#basic-c [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We can also use SHOW STORAGE GROUP to check created storage group:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SHOW STORAGE GROUP
++-----------------------------------+
+|                      Storage Group|
++-----------------------------------+
+|                            root.ln|
++-----------------------------------+
+storage group number = 1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>After the storage group is set, we can use CREATE TIMESERIES to create new timeseries. When we create a timeseries, we should define its data type and the encoding [...]
+IoTDB&gt; CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>In order to query the specific timeseries, we can use SHOW TIMESERIES &lt;Path&gt;. &lt;Path&gt; represent the path of the timeseries. Its default value is null, which means querying all the timeseries in the system(the same as using &quot;SHOW TIMESERIES root&quot;). Here are the examples:</p> <ol><li>Querying all timeseries in the system:</li></ol>  [...]
++-------------------------------+---------------+--------+--------+
+|                     Timeseries|  Storage Group|DataType|Encoding|
++-------------------------------+---------------+--------+--------+
+|       root.ln.wf01.wt01.status|        root.ln| BOOLEAN|   PLAIN|
+|  root.ln.wf01.wt01.temperature|        root.ln|   FLOAT|     RLE|
++-------------------------------+---------------+--------+--------+
+Total timeseries number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ol start="2"><li>Querying a specific timeseries(root.ln.wf01.wt01.status):</li></ol> <div class="language- line-numbers-mode">< [...]
++------------------------------+--------------+--------+--------+
+|                    Timeseries| Storage Group|DataType|Encoding|
++------------------------------+--------------+--------+--------+
+|      root.ln.wf01.wt01.status|       root.ln| BOOLEAN|   PLAIN|
++------------------------------+--------------+--------+--------+
+Total timeseries number = 1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Insert timeseries data is the basic operation of IoTDB, you can use ‘INSERT’ command to finish this. Before inserting you should assign the timestamp and the suffi [...]
+IoTDB&gt; INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) values(200,false,20.71)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The data we’ve just inserted displays like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SELECT status FROM root.ln.wf01.wt01
++-----------------------+------------------------+
+|                   Time|root.ln.wf01.wt01.status|
++-----------------------+------------------------+
+|1970-01-01T08:00:00.100|                    true|
+|1970-01-01T08:00:00.200|                   false|
++-----------------------+------------------------+
+Total line number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>We can also query several timeseries data at once like this:</p> <div class="language- line-numbers-mode"><pre class="languag [...]
++-----------------------+--------------------------+-----------------------------+
+|                   Time|  root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
++-----------------------+--------------------------+-----------------------------+
+|1970-01-01T08:00:00.100|                      true|                         null|
+|1970-01-01T08:00:00.200|                     false|                        20.71|
++-----------------------+--------------------------+-----------------------------+
+Total line number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>The commands to exit the Cli is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; quit
+or
+IoTDB&gt; exit
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>For more on what commands are supported by IoTDB SQL, see <a href="/UserGuide/Master/Master/Operation Manual/SQL Reference.html">SQL Reference</a>.</p> <h3 id="stop-iotdb"><a href="#stop-iotdb" class="header-anchor">#</a> Stop IoTDB</h3> <p>The server can be stopped with ctrl-C or the following script:</p> <div cl [...]
+&gt; sbin/stop-server.sh
+
+# Windows
+&gt; sbin\stop-server.bat
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="only-build-cli"><a href="#only-build-cli" class="header-anchor">#</a> Only build cli</h2> <p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean package  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be at the folder &quot;cli/target/iotdb-cli-{project.version}&quot;.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/98.edaa956a.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Architecture/Files.html b/UserGuide/Master/Master/Master/Architecture/Files.html
new file mode 100644
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+data_dirs = /data1/data, /data2/data, /data3/data 
+multi_dir_strategy=MaxDiskUsableSpaceFirstStrategy
+wal_dir= $IOTDB_HOME/data/wal
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>After setting the configuration, the system will:</p> <ul><li>Save all system files in $IOTDB_HOME/data</li> <li>Save TsFile in /data1/data, /data2/data, /data3/data. And the choosing strategy is <code>MaxDiskUsableSpaceFirstStrategy</code>, that is every time data writes to t [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/99.d3817a89.js" defer></script>
+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Architecture/Shared Nothing Cluster.html b/UserGuide/Master/Master/Master/Architecture/Shared Nothing Cluster.html
new file mode 100644
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: It indicates that you forget to put Hadoop module dependency in IoTDB server. You can solve it by:</p> <ul><li>Build Hadoop module: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>Copy the target jar of Hadoop module <code>hadoop-tsfile-0.10.0-jar-with-dependencies.jar</code> into server target lib folder <code>.../server/target/iotdb-server-0.10.0/lib</co [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Command Line Interface.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Command Line Interface.html" [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Running Cli/Shell</li> <li>Cli/Shell Parameters</li> <li>Cli/shell tool with -e parameter</li></ul></li></ul> <p>IoTDB provides Cli/shell tools for users to interact with IoTDB server in command lines. This document will show how Cli/shell tool works and what does it parameters mean.</p> <blockquote><p>Note: In this document, $IOTDB_HOME represents the path of the IoTDB installation directory.</p></blockquote> <h2 id="build-cli-from-source-code"><a href="#build-cli-from-source-co [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be at the folder &quot;cli/target/iotdb-cli-{project.version}&quot;.</p> <h2 id="running-cli-shell"><a href="#running-cli-shell" class="header-anchor">#</a> Running Cli/Shell</h2> <p>After installation, there is a default user in IoTDB: <code>root</code>, and the
+default password is <code>root</code>. Users can use this username to try IoTDB Cli/Shell tool. The cli startup script is the <code>start-cli</code> file under the $IOTDB_HOME/bin folder. When starting the script, you need to specify the IP and PORT. (Make sure the IoTDB server is running properly when you use Cli/Shell tool to connect it.)</p> <p>Here is an example where the server is started locally and the user has not changed the running port. The default port is
+6667 <br>
+If you need to connect to the remote server or changes
+the port number of the server running, set the specific IP and PORT at -h and -p.<br>
+You also can set your own environment variable at the front of the start script (&quot;/sbin/start-cli.sh&quot; for linux and &quot;/sbin/start-cli.bat&quot; for windows)</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After using these commands, the cli can be started successfully. The successful status will be as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
+|_   _|     |  _   _  ||_   _ `.|_   _ \
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |
+  | | / .'`\ \  | |      | |  | | |  __'.
+ _| |_| \__. | _| |_    _| |_.' /_| |__) |
+|_____|'.__.' |_____|  |______.'|_______/  version &lt;version&gt;
+
+
+IoTDB&gt; login successfully
+IoTDB&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>Enter <code>quit</code> or <code>exit</code> can [...]
+10.129.187.21, port 6667, username &quot;root&quot;, password &quot;root&quot;, and prints the timestamp in digital form. The maximum number of lines displayed on the IoTDB command line is 10.</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h 10.129.187.21 -p 6667 -u root -pw root -disableIS08601 -maxPRC 10
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side"><a href="#note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side" class="header-anchor">#</a> Note on using the CLI with OpenID Connect Auth enabled on Server side</h3> <p>If OIDC is enabled on server side then no username / passwort is needed but a valid Access Token from the OIDC Provider.
+So as username you use the token and the password has to be empty, e.g.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin/start-cli.sh -h 10.129.187.21 -p 6667 -u {my-access-token} -pw &quot;&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>How to get the token is dependent on your OpenID Connect setup and not covered here.
+In the simplest case you can get this via the command line with the <code>passwort-grant</code>.
+For example, if you use keycloack as OIDC and you have a realm with a client <code>iotdb</code> defined as public you could use
+the following <code>curl</code> command to fetch a token (replace all <code>{}</code> with appropriate values).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>curl -X POST &quot;https://{your-keycloack-server}/auth/realms/{your-realm}/protocol/openid-connect/token&quot; \                                                                                                                       ✔  1613  11:09:38
+ -H &quot;Content-Type: application/x-www-form-urlencoded&quot; \
+ -d &quot;username={username}&quot; \
+ -d &quot;password={password}&quot; \
+ -d 'grant_type=password' \
+ -d &quot;client_id=iotdb&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>The response looks something like</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code><span class="token punctuation">{</span><span class="token property">&quot;access_tok [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The interesting part here is the access token with the key <code>access_token</code>.
+This has to be passed as username (with parameter <code>-u</code>) and empty password to the CLI.</p> <h2 id="cli-shell-tool-with-e-parameter"><a href="#cli-shell-tool-with-e-parameter" class="header-anchor">#</a> Cli/shell tool with -e parameter</h2> <p>-e parameter is designed for the Cli/shell tool in the situation where you would like to manipulate IoTDB in batches through scripts. By using the -e parameter, you can operate IoTDB without entering the cli's input mode.</p> <p>In order [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system commands:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  Shell &gt; sbin\start-cli.bat -h {host} -p {port} -u {user} -pw {password} -e {sql for iotdb}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the Windows environment, the SQL statement of the -e parameter needs to use <code>``</code> to replace <code>&quot; &quot;</code></p> <p>In order to better explain the use of -e parameter, take following as an example(On linux system).</p> <p>Suppose you want to create a storage group root.demo to a newly launched IoTDB, create a timeseries root.demo.s1 and insert three data points int [...]
+
+host=127.0.0.1
+port=6667
+user=root
+pass=root
+
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;set storage group to root.demo&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;create timeseries root.demo.s1 WITH DATATYPE=INT32, ENCODING=RLE&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(1,10)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(2,11)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;insert into root.demo(timestamp,s1) values(3,12)&quot;
+./sbin/start-cli.sh -h ${host} -p ${port} -u ${user} -pw ${pass} -e &quot;select s1 from root.demo&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/102.572fb9e2.js" defer></script>
+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Client/Programming - JDBC.html b/UserGuide/Master/Master/Master/Client/Programming - JDBC.html
new file mode 100644
index 0000000..6ca1e8f
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Client/Programming - JDBC.html	
@@ -0,0 +1,207 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/103.d7966020.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js">< [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Programming - JDBC.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Programming - JDBC.html" class=" [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Programming - JDBC.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Programming - JDBC.html" class=" [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-to-install-in-local-maven-repository"><a href="#how-to-install-in-local-maven-repository" class="header-anchor">#</a> How to install in local maven repository</h2> <p>In root directory:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean install -pl jdbc -am -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="using-iotdb-jdbc-with-maven"><a href="#using-iotdb-jdbc-with-maven" class="header-anchor">#</a> Using IoTDB JDBC with Maven</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;dependencies&gt;
+    &lt;dependency&gt;
+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;iotdb-jdbc&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+&lt;/dependencies&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="examples"><a href="#examples" class="header-anchor">#</a> Examples</h2> <p>This chapter provides an example of how to open a database connection, execute a SQ [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>jdbc</span><span class="token punctuation">.</span><span class="token class-name">IoTDBSQLException</span><span class="token punctuation">;</span>
+
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">JDBCExample</span> <span class="token punctuation">{</span>
+  <span class="token comment">/**
+   * Before executing a SQL statement with a Statement object, you need to create a Statement object using the createStatement() method of the Connection object.
+   * After creating a Statement object, you can use its execute() method to execute a SQL statement
+   * Finally, remember to close the 'statement' and 'connection' objects by using their close() method
+   * For statements with query results, we can use the getResultSet() method of the Statement object to get the result set.
+   */</span>
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punc [...]
+    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token keyword">if</span> <span class="token punctuation">(</span>connection <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;get connection defeat&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">return</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token class-name">Statement</span> statement <span class="token operator">=</span> connection<span class="token punctuation">.</span><span class="token function">createStatement</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Create storage group</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SET STORAGE GROUP TO root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span><span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+
+
+    <span class="token comment">//Show storage group</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW STORAGE GROUP&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Create time series</span>
+    <span class="token comment">//Different data type has different encoding methods. Here use INT32 as an example</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;CREATE TIMESERIES root.demo.s0 WITH DATATYPE=INT32,ENCODING=RLE;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span><span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">IoTDBSQLException</span> e<span class="token punctuation">)</span><span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token function">getMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token comment">//Show time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW TIMESERIES root.demo&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Show devices</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;SHOW DEVICES&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count nodes at the given level</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT NODES root LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">//Count timeseries group by each node at the given level</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;COUNT TIMESERIES root GROUP BY LEVEL=3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>statement<span class="token punctuation">.</span><span class="token function">getResultSet</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    
+
+    <span class="token comment">//Execute insert statements in batch</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(1,1);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,15);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(2,17);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">addBatch</span><span class="token punctuation">(</span><span class="token string">&quot;insert into root.demo(timestamp,s0) values(4,12);&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">executeBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    statement<span class="token punctuation">.</span><span class="token function">clearBatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Full query statement</span>
+    <span class="token class-name">String</span> sql <span class="token operator">=</span> <span class="token string">&quot;select * from root.demo&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">ResultSet</span> resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Exact query statement</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time = 4;&quot;</span><span class="token punctuation">;</span>
+    resultSet<span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Time range query</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select s0 from root.demo where time &gt;= 2 and time &lt; 5;&quot;</span><span class="token punctuation">;</span>
+    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Aggregate query</span>
+    sql <span class="token operator">=</span> <span class="token string">&quot;select count(s0) from root.demo;&quot;</span><span class="token punctuation">;</span>
+    resultSet <span class="token operator">=</span> statement<span class="token punctuation">.</span><span class="token function">executeQuery</span><span class="token punctuation">(</span>sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;sql: &quot;</span> <span class="token operator">+</span> sql<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token function">outputResult</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//Delete time series</span>
+    statement<span class="token punctuation">.</span><span class="token function">execute</span><span class="token punctuation">(</span><span class="token string">&quot;delete timeseries root.demo.s0&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//close connection</span>
+    statement<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    connection<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token class-name">Connection</span> <span class="token function">getConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+    <span class="token comment">// JDBC driver name and database URL</span>
+    <span class="token class-name">String</span> driver <span class="token operator">=</span> <span class="token string">&quot;org.apache.iotdb.jdbc.IoTDBDriver&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">String</span> url <span class="token operator">=</span> <span class="token string">&quot;jdbc:iotdb://127.0.0.1:6667/&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// Database credentials</span>
+    <span class="token class-name">String</span> username <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
+    <span class="token class-name">String</span> password <span class="token operator">=</span> <span class="token string">&quot;root&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token class-name">Connection</span> connection <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
+    <span class="token keyword">try</span> <span class="token punctuation">{</span>
+      <span class="token class-name">Class</span><span class="token punctuation">.</span><span class="token function">forName</span><span class="token punctuation">(</span>driver<span class="token punctuation">)</span><span class="token punctuation">;</span>
+      connection <span class="token operator">=</span> <span class="token class-name">DriverManager</span><span class="token punctuation">.</span><span class="token function">getConnection</span><span class="token punctuation">(</span>url<span class="token punctuation">,</span> username<span class="token punctuation">,</span> password<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">ClassNotFoundException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span> <span class="token keyword">catch</span> <span class="token punctuation">(</span><span class="token class-name">SQLException</span> e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      e<span class="token punctuation">.</span><span class="token function">printStackTrace</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token keyword">return</span> connection<span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token comment">/**
+   * This is an example of outputting the results in the ResultSet
+   */</span>
+  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">outputResult</span><span class="token punctuation">(</span><span class="token class-name">ResultSet</span> resultSet<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">SQLException</span> <span class="token punctuation">{</span>
+    <span class="token keyword">if</span> <span class="token punctuation">(</span>resultSet <span class="token operator">!=</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">final</span> <span class="token class-name">ResultSetMetaData</span> metaData <span class="token operator">=</span> resultSet<span class="token punctuation">.</span><span class="token function">getMetaData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">final</span> <span class="token keyword">int</span> columnCount <span class="token operator">=</span> metaData<span class="token punctuation">.</span><span class="token function">getColumnCount</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+        <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>metaData<span class="token punctuation">.</span><span class="token function">getColumnLabel</span><span class="token punctuation">(</span>i <span class="token operator">+</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token ope [...]
+      <span class="token punctuation">}</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+      <span class="token keyword">while</span> <span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span> <span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+          <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span>resultSet<span class="token punctuation">.</span><span class="token function">getString</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+          <span class="token keyword">if</span> <span class="token punctuation">(</span>i <span class="token operator">&lt;</span> columnCount<span class="token punctuation">)</span> <span class="token punctuation">{</span>
+            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">print</span><span class="token punctuation">(</span><span class="token string">&quot;, &quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+          <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
+            <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+            <span class="token keyword">break</span><span class="token punctuation">;</span>
+          <span class="token punctuation">}</span>
+        <span class="token punctuation">}</span>
+      <span class="token punctuation">}</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;--------------------------\n&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+  <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/103.d7966020.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Client/Programming - MQTT.html b/UserGuide/Master/Master/Master/Client/Programming - MQTT.html
new file mode 100644
index 0000000..31bd8a1
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Client/Programming - MQTT.html	
@@ -0,0 +1,97 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
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+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+It was designed as an extremely lightweight publish/subscribe messaging transport.
+It is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.</p> <p>IoTDB supports the MQTT v3.1(an OASIS Standard) protocol.
+IoTDB server includes a built-in MQTT service that allows remote devices send messages into IoTDB server directly.</p> <img src="https://user-images.githubusercontent.com/6711230/78357432-0c71cf80-75e4-11ea-98aa-c43a54d469ce.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h2 id="built-in-mqtt-service"><a href="#built-in-mqtt-service" class="header-anchor">#</a> Built-in MQTT Service</h2> <p>The Built-in MQTT Service provide the [...]
+and then write the data into storage immediately.
+The MQTT topic is corresponding to IoTDB timeseries.
+The messages payload can be format to events by <code>PayloadFormatter</code> which loaded by java SPI, and the default implementation is <code>JSONPayloadFormatter</code>.
+The default <code>json</code> formatter support two json format, and the following is an MQTT message payload example:</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code> <span class="token punctuation">{</span>
+      <span class="token property">&quot;device&quot;</span><span class="token operator">:</span><span class="token string">&quot;root.sg.d1&quot;</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;timestamp&quot;</span><span class="token operator">:</span><span class="token number">1586076045524</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;measurements&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;s2&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;values&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token number">0.530635</span><span class="token punctuation">,</span><span class="token number">0.530635</span><span class="token punctuation">]</span>
+ <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>or</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code><span class="token punctuation">{</span>
+      <span class="token property">&quot;device&quot;</span><span class="token operator">:</span><span class="token string">&quot;root.sg.d1&quot;</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;timestamps&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token number">1586076045524</span><span class="token punctuation">,</span><span class="token number">1586076065526</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;measurements&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span><span class="token string">&quot;s2&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
+      <span class="token property">&quot;values&quot;</span><span class="token operator">:</span><span class="token punctuation">[</span><span class="token punctuation">[</span><span class="token number">0.530635</span><span class="token punctuation">,</span><span class="token number">0.530635</span><span class="token punctuation">]</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token number">0.530655</span><span class="token punctuati [...]
+  <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><img src="https://user-images.githubusercontent.com/6711230/78357469-1bf11880-75e4-11ea-978f-a53996667a0d.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display [...]
+        mqtt<span class="token punctuation">.</span><span class="token function">setHost</span><span class="token punctuation">(</span><span class="token string">&quot;127.0.0.1&quot;</span><span class="token punctuation">,</span> <span class="token number">1883</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        mqtt<span class="token punctuation">.</span><span class="token function">setUserName</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        mqtt<span class="token punctuation">.</span><span class="token function">setPassword</span><span class="token punctuation">(</span><span class="token string">&quot;root&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+        <span class="token class-name">BlockingConnection</span> connection <span class="token operator">=</span> mqtt<span class="token punctuation">.</span><span class="token function">blockingConnection</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        connection<span class="token punctuation">.</span><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+        <span class="token class-name">Random</span> random <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Random</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+        <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">int</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> <span class="token number">10</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+            <span class="token class-name">String</span> payload <span class="token operator">=</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">format</span><span class="token punctuation">(</span><span class="token string">&quot;{\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;device\&quot;:\&quot;root.sg.d1\&quot;,\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;timestamp\&quot;:%d,\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;measurements\&quot;:[\&quot;s1\&quot;],\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;\&quot;values\&quot;:[%f]\n&quot;</span> <span class="token operator">+</span>
+                    <span class="token string">&quot;}&quot;</span><span class="token punctuation">,</span> <span class="token class-name">System</span><span class="token punctuation">.</span><span class="token function">currentTimeMillis</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> random<span class="token punctuation">.</span><span class="token function">nextDouble</span><span class="token punctuation">(< [...]
+
+            connection<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">&quot;root.sg.d1.s1&quot;</span><span class="token punctuation">,</span> payload<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token class-name">QoS< [...]
+        <span class="token punctuation">}</span>
+
+        connection<span class="token punctuation">.</span><span class="token function">disconnect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/104.7ca8250e.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Client/Programming - Native API.html b/UserGuide/Master/Master/Master/Client/Programming - Native API.html
new file mode 100644
index 0000000..f97441b
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Client/Programming - Native API.html	
@@ -0,0 +1,99 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
+    <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/105.0f282c34.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js">< [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  License
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+  Sponsorship
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Programming - Native API.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Programming - Native API.h [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
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+  Security
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+  Sponsorship
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Programming - Native API.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Programming - Native API.h [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+    &lt;dependency&gt;
+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;iotdb-session&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+&lt;/dependencies&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="native-apis"><a href="#native-apis" class="header-anchor">#</a> Native APIs</h2> <p>Here we show the commonly used interfaces and their parameters in the Nati [...]
+
+Session(String host, String port, String username, String password)
+
+Session(String host, int port, String username, String password)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li> <li><p>Open a Session</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Session.open()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Close a Session</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>​Session.close()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Set storage group</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void setStorageGroup(String storageGroupId)    
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>​</p></li> <li><p>Delete one or several storage groups</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteStorageGroup(String storageGroup)
+void deleteStorageGroups(List&lt;String&gt; storageGroups)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Create one or multiple timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void createTimeseries(String path, TSDataType dataType,
+        TSEncoding encoding, CompressionType compressor, Map&lt;String, String&gt; props,
+        Map&lt;String, String&gt; tags, Map&lt;String, String&gt; attributes, String measurementAlias)
+        
+void createMultiTimeseries(List&lt;String&gt; paths, List&lt;TSDataType&gt; dataTypes,
+        List&lt;TSEncoding&gt; encodings, List&lt;CompressionType&gt; compressors,
+        List&lt;Map&lt;String, String&gt;&gt; propsList, List&lt;Map&lt;String, String&gt;&gt; tagsList,
+        List&lt;Map&lt;String, String&gt;&gt; attributesList, List&lt;String&gt; measurementAliasList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div></li> <li><p>Delete one or several timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void [...]
+void deleteTimeseries(List&lt;String&gt; paths)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Delete data before or equal to a timestamp of one or several timeseries</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void deleteData(String path, long time)
+void deleteData(List&lt;String&gt; paths, long time)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Insert a Record,which contains multiple measurement value of a device at a timestamp</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecord(String deviceId, long time, List&lt;String&gt; measurements, List&lt;String&gt; values)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert a Tablet,which is multiple rows of a device, each row has the same measurements</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablet(Tablet tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert multiple Tablets</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertTablets(Map&lt;String, Tablet&gt; tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Insert multiple Records</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void insertRecords(List&lt;String&gt; deviceIds, List&lt;Long&gt; times, 
+                     List&lt;List&lt;String&gt;&gt; measurementsList, List&lt;List&lt;String&gt;&gt; valuesList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h2 id="native-apis-for-profiling-network-cost"><a href="#native-apis-for-profiling-network-cost" class="header-anchor">#</a> Native APIs for profiling network cost</h2> <ul><li><p>Test the network and client cost of insertRecords. This method NOT insert data into database and server just return after accept the request, this method should be  [...]
+                List&lt;List&lt;String&gt;&gt; measurementsList, List&lt;List&lt;String&gt;&gt; valuesList)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>Test the network and client cost of insertRecord. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertRecord(String deviceId, long time, List&lt;Strin [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Test the network and client cost of insertTablet. This method NOT insert data into database and server just return after accept the request, this method should be used to test other time cost in client</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>void testInsertTablet(Tablet tablet)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <h2 id="sample-code"><a href="#sample-code" class="header-anchor">#</a> Sample code</h2> <p>To get more information of the following interfaces, please view session/src/main/java/org/apache/iotdb/session/Session.java</p> <p>The sample code of using these interfaces is in example/session/src/main/java/org/apache/iotdb/SessionExample.java,which provides an example of how to open an  [...]
+Using the interface, you need to define the pool size.</p> <p>If you can not get a session connection in 60 secondes, there is a warning log but the program will hang.</p> <p>If a session has finished an operation, it will be put back to the pool automatically.
+If a session connection is broken, the session will be removed automatically and the pool will try
+to create a new session and redo the operation.</p> <p>For query operations:</p> <ol><li>When using SessionPool to query data, the result set is <code>SessionDataSetWrapper</code>;</li> <li>Given a <code>SessionDataSetWrapper</code>, if you have not scanned all the data in it and stop to use it,
+you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>When you call <code>hasNext()</code> and <code>next()</code> of a <code>SessionDataSetWrapper</code> and there is an exception, then
+you have to call <code>SessionPool.closeResultSet(wrapper)</code> manually;</li> <li>You can call <code>getColumnNames()</code> of <code>SessionDataSetWrapper</code> to get the column names of query result;</li></ol> <p>Examples: <code>session/src/test/java/org/apache/iotdb/session/pool/SessionPoolTest.java</code></p> <p>Or <code>example/session/src/main/java/org/apache/iotdb/SessionPoolExample.java</code></p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Softw [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/105.0f282c34.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Client/Programming - Other Languages.html b/UserGuide/Master/Master/Master/Client/Programming - Other Languages.html
new file mode 100644
index 0000000..bb1b11b
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Client/Programming - Other Languages.html	
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
+    <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo">
+    <link rel="preload" href="/assets/css/0.styles.d68a0be5.css" as="style"><link rel="preload" href="/assets/js/app.03ed1fed.js" as="script"><link rel="preload" href="/assets/js/3.69383c2d.js" as="script"><link rel="preload" href="/assets/js/106.f215b9ed.js" as="script"><link rel="prefetch" href="/assets/js/10.208fb909.js"><link rel="prefetch" href="/assets/js/100.57a3f559.js"><link rel="prefetch" href="/assets/js/101.df67c0a6.js"><link rel="prefetch" href="/assets/js/102.572fb9e2.js">< [...]
+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+  Foundation
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+  Sponsorship
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Client/Programming - Other Languages.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Client/Programming - Other L [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
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+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+on Linux or Windows, we will introduce how to operate on the two systems separately.</p> <h3 id="_2-prerequisites"><a href="#_2-prerequisites" class="header-anchor">#</a> 2. Prerequisites</h3> <p>python3.7 or later is preferred.</p> <p>You have to install Thrift (0.11.0 or later) to compile our thrift file into python code. Below is the official
+tutorial of installation:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>http://thrift.apache.org/docs/install/
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="_3-how-to-get-the-python-library"><a href="#_3-how-to-get-the-python-library" class="header-anchor">#</a> 3. How to Get the Python Library</h3> <h4 id="option-1-pip-install"><a href="#option-1-pip-install" class="header-anchor">#</a> Option 1: pip install</h4> <p>You can find the Apache IoTDB Python Client API package on https://pypi.org/project/apache-iotdb/.</p> <p>The download com [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="option-2-use-the-compile-script-we-provided"><a href="#option-2-use-the-compile-script-we-provided" class="header-anchor">#</a> Option 2: use the compile script we provided</h4> <p>If you have added Thrift executable into your path, you may just run <code>client-py/compile.sh</code> or
+<code>client-py\compile.bat</code>, or you will have to modify it to set variable <code>THRIFT_EXE</code> to point to
+your executable. This will generate thrift sources under folder <code>target</code>, you can add it to your
+<code>PYTHONPATH</code> so that you would be able to use the library in your code. Notice that the scripts
+locate the thrift source file by relative path, so if you move the scripts else where, they are
+no longer valid.</p> <h4 id="option-3-basic-usage-of-thrift"><a href="#option-3-basic-usage-of-thrift" class="header-anchor">#</a> Option 3: basic usage of thrift</h4> <p>Optionally, if you know the basic usage of thrift, you can only download the thrift source file in
+<code>service-rpc\src\main\thrift\rpc.thrift</code>, and simply use <code>thrift -gen py -out ./target/iotdb rpc.thrift</code>
+to generate the python library.</p> <h3 id="_4-use-example"><a href="#_4-use-example" class="header-anchor">#</a> 4. Use Example</h3> <p>We provided an example of how to use the thrift library to connect to IoTDB in <code>client-py/src /client_example.py</code>, please read it carefully before you write your own code.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Client/Programming - TsFile API.html b/UserGuide/Master/Master/Master/Client/Programming - TsFile API.html
new file mode 100644
index 0000000..90447da
--- /dev/null
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@@ -0,0 +1,238 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+cd tsfile/
+mvn clean package -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Then, all the jars can be get in folder named <code>target/</code>. Import <code>target/tsfile-0.10.0-jar-with-dependencies.jar</code> to your project.</p></li></ul></li> <li><p>Using as a maven dependency:</p> <p>Compile source codes and deploy to your local repository in three steps:</p> <ul><li><p>Get the sourc [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Compile the source codes and deploy</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>cd tsfile/
+mvn clean install -Dmaven.test.skip=true
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li> <li><p>add dependencies into your project:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> &lt;dependency&gt;
+   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
+   &lt;version&gt;0.10.0&lt;/version&gt;
+ &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul> <p>Or, you can download the dependencies from official Maven repository:</p> <ul><li><p>First, find your maven <code>settings.xml</code> on path: <code>${username}\.m2\settings.xml</code>
+, add this <code>&lt;profile&gt;</code> to <code>&lt;profiles&gt;</code>:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>  &lt;profile&gt;
+       &lt;id&gt;allow-snapshots&lt;/id&gt;
+          &lt;activation&gt;&lt;activeByDefault&gt;true&lt;/activeByDefault&gt;&lt;/activation&gt;
+       &lt;repositories&gt;
+         &lt;repository&gt;  
+            &lt;id&gt;apache.snapshots&lt;/id&gt;
+            &lt;name&gt;Apache Development Snapshot Repository&lt;/name&gt;
+            &lt;url&gt;https://repository.apache.org/content/repositories/snapshots/&lt;/url&gt;
+            &lt;releases&gt;
+                &lt;enabled&gt;false&lt;/enabled&gt;
+            &lt;/releases&gt;
+            &lt;snapshots&gt;
+                &lt;enabled&gt;true&lt;/enabled&gt;
+            &lt;/snapshots&gt;
+          &lt;/repository&gt;
+       &lt;/repositories&gt;
+     &lt;/profile&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+   &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+   &lt;artifactId&gt;tsfile&lt;/artifactId&gt;
+   &lt;version&gt;0.10.0&lt;/version&gt;
+ &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li></ul></li></ul> <h2 id="tsfile-usage"><a href="#tsfile-usage" class="header-anchor">#</a> TSFile Usage</h2> <p>This section demonstrates the detailed usages of TsFile.</p> <h3 id="time-series-data"><a href="#time-series-data" class="head [...]
+sales number of some goods or the speed of a train at different times. As a traditional sensor (like a thermometer) also
+takes a single measurement and produce a time-series, we will use measurement and sensor interchangeably below.</p></li> <li><p><strong>device</strong>: A device refers to an entity that is taking several measurements (producing multiple time-series), e.g.,
+a running train monitors its speed, oil meter, miles it has run, current passengers each is conveyed to a time-series.</p></li></ul> <p>Table 1 illustrates a set of time-series data. The set showed in the following table contains one device named &quot;device_1&quot;
+with three measurements named &quot;sensor_1&quot;, &quot;sensor_2&quot; and &quot;sensor_3&quot;.</p> <center><table style="text-align:center;"><tr><th colspan="6">device_1</th></tr> <tr><th colspan="2">sensor_1</th><th colspan="2">sensor_2</th><th colspan="2">sensor_3</th></tr> <tr><th>time</th><th>value</th><th>time</th><th>value</th><th>time</th><th>value</th></tr> <tr><td>1</td><td>1.2</td><td>1</td><td>20</td><td>2</td><td>50</td></tr> <tr><td>3</td><td>1.4</td><td>2</td><td>20</td [...]
+may have values at a same timestamp, which is called one line of data.</p> <p>Formally, one line of data consists of a <code>device_id</code>, a timestamp which indicates the milliseconds since January 1,
+1970, 00:00:00, and several data pairs composed of <code>measurement_id</code> and corresponding <code>value</code>. All data pairs in one
+line belong to this <code>device_id</code> and have the same timestamp. If one of the <code>measurements</code> does not have a <code>value</code>
+in the <code>timestamp</code>, use a space instead(Actually, TsFile does not store null values). Its format is shown as follow:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_id, timestamp, &lt;measurement_id, value&gt;...
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>An example is illustrated as follow. In this example, the data type of two measurements are  <code>INT32</code>, <code>FLOAT</code> respectively.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>device_1, 1490860659000, m1, 10, m2, 12.12
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="writing-tsfile"><a href="#writing-tsfile" class="header-anchor">#</a> Writing TsFile</h3> <h4 id="generate-a-tsfile-file"><a href="#generate-a-tsfile-file" class="header-anchor">#</a> Generate a TsFile File.</h4> <p>A TsFile can be generated by following three steps and the complete code will be given in the section &quot;Example for writing TsFile&quot;.</p> <ul><li><p>First, constr [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>With pre-defined schema</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(File file, Schema schema) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This one is for using the HDFS file system. <code>TsFileOutput</code> can be an instance of class <code>HDFSOutput</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileOutput output, Schema schema) throws IOException 
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to set some TSFile configuration on your own, you could use param <code>config</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSFileConfig conf = new TSFileConfig();
+conf.setTSFileStorageFs(&quot;HDFS&quot;);
+TsFileWriter tsFileWriter = new TsFileWriter(file, schema, conf);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>In this example, data files will be stored in HDFS, instead of local file system. If you'd like to store data files in local file system, you can use <code>conf.setTSFileStorageFs(&quot;LOCAL&quot;)</code>, which is also the default config.</p> <p>You can also config the ip and port of your HDFS by <code>config.se [...]
+public Schema()
+public Schema(Map&lt;String, MeasurementSchema&gt; measurements)
+// Use this two interfaces to add measurements
+public void registerMeasurement(MeasurementSchema descriptor)
+public void registerMeasurements(Map&lt;String, MeasurementSchema&gt; measurements)
+// Some useful getter and checker
+public TSDataType getMeasurementDataType(String measurementId)
+public MeasurementSchema getMeasurementSchema(String measurementId)
+public Map&lt;String, MeasurementSchema&gt; getAllMeasurementSchema()
+public boolean hasMeasurement(String measurementId)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p>You can a [...]
+​</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void addMeasurement(MeasurementSchema measurementSchema) throws WriteProcessException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The class <code>MeasurementSchema</code> contains the information of one measurement, there are several constructors:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding)
+public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType)
+public MeasurementSchema(String measurementId, TSDataType type, TSEncoding encoding, CompressionType compressionType, 
+Map&lt;String, String&gt; props)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p><strong>Parameters:</strong>
+​</p> <ul><li><p>measurementID: The name of this measurement, typically the name of the sensor.</p></li> <li><p>type: The data type, now support six types: <code>BOOLEAN</code>, <code>INT32</code>, <code>INT64</code>, <code>FLOAT</code>, <code>DOUBLE</code>, <code>TEXT</code>;</p></li> <li><p>encoding: The data encoding. See <a href="/UserGuide/Master/Master/Master/Concept/Encoding.html">Chapter 2-3</a>.</p></li> <li><p>compression: The data compression. Now supports <code>UNCOMPRESSED</ [...]
+<code>TEXT</code>. Use as string pairs into a map such as (&quot;max_point_number&quot;, &quot;3&quot;).</p></li></ul> <blockquote><p><strong>Notice:</strong> Although one measurement name can be used in multiple deltaObjects, the properties cannot be changed. I.e.
+it's not allowed to add one measurement name for multiple times with different type or encoding.
+Here is a bad example:</p></blockquote> <div class="language- extra-class"><pre><code>  // The measurement &quot;sensor_1&quot; is float type
+  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.FLOAT, TSEncoding.RLE));
+  
+  // This call will throw a WriteProcessException exception
+  addMeasurement(new MeasurementSchema(&quot;sensor_1&quot;, TSDataType.INT32, TSEncoding.RLE));
+</code></pre></div></li> <li><p>Third, insert and write data continually.</p> <p>Use this interface to create a new <code>TSRecord</code>(a timestamp and device pair).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TSRecord(long timestamp, String deviceId)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then create a <code>DataPoint</code>(a measurement and value pair), and use the addTuple method to add the DataPoint to the correct
+TsRecord.</p> <p>Use this method to write</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void write(TSRecord record) throws IOException, WriteProcessException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p>Finally, call <code>close</code> to finish this writing process.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public void close() throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li></ul> <p>We are also able to write data into a closed TsFile.</p> <ul><li>Use <code>ForceAppendTsFileWriter</code> to open a closed file.</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public ForceAppendTsFileWriter(File file) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li><p>call <code>doTruncate</code> truncate the part of Metadata</p></li> <li><p>Then use <code>ForceAppendTsFileWriter</code> to construct a new <code>TsFileWriter</code></p></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>public TsFileWriter(TsFileIOWriter fileWriter) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Please note, we should redo the step of adding measurements before writing new data to the TsFile.</p> <h4 id="example-for-writing-a-tsfile"><a href="#example-for-writing-a-tsfile" class="header-anchor">#</a> Example for writing a TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>mvn clean [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>You could write a TsFile by constructing <strong>TSRecord</strong> if you have the <strong>non-aligned</strong> (e.g. not all sensors contain values) time series data.</p> <p>A more thorough example can be found at <code>/example/tsfile/src/main/java/org/apache/iotdb/tsfile/TsFileWriteWithTSRecord.java</code></p> <p>You could write a TsFile by constructing <strong>Tablet</strong> if you h [...]
+The last section &quot;sensor_1&quot; is called &quot;measurementId&quot; while the remaining parts &quot;root.area_1.device_1&quot; is called deviceId.
+As mentioned above, the same measurement in different devices has the same data type and encoding, and devices are also unique.</p> <p>In read interfaces, The parameter <code>paths</code> indicates the measurements to be selected.</p> <p>Path instance can be easily constructed through the class <code>Path</code>. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Path p = new Path(&quot;device_1.sensor_1&quot;);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We will pass an ArrayList of paths for final query call to support multiple paths.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>List&lt;Path&gt; paths = new ArrayList&lt;Path&gt;();
+paths.add(new Path(&quot;device_1.sensor_1&quot;));
+paths.add(new Path(&quot;device_1.sensor_3&quot;));
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><blockquote><p><strong>Notice:</strong> When constructing a Path, the format of the parameter should be a dot-separated string, the last part will
+be recognized as measurementId while the remaining parts will be recognized as deviceId.</p></blockquote> <h4 id="definition-of-filter"><a href="#definition-of-filter" class="header-anchor">#</a> Definition of Filter</h4> <h5 id="usage-scenario"><a href="#usage-scenario" class="header-anchor">#</a> Usage Scenario</h5> <p>Filter is used in TsFile reading process to select data satisfying one or more given condition(s).</p> <h4 id="iexpression"><a href="#iexpression" class="header-anchor"> [...]
+We create one or more filter expressions and may use binary filter operators to link them to our final expression.</p> <ul><li><p><strong>Create a Filter Expression</strong></p> <p>There are two types of filters.</p> <ul><li><p>TimeFilter: A filter for <code>time</code> in time-series data.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Use the following relationships to get a <code>TimeFilter</code> object (value is a long int variable).
+<center><table style="text-align:center;"><tr><th>Relationship</th><th>Description</th></tr> <tr><td>TimeFilter.eq(value)</td><td>Choose the time equal to the value</td></tr> <tr><td>TimeFilter.lt(value)</td><td>Choose the time less than the value</td></tr> <tr><td>TimeFilter.gt(value)</td><td>Choose the time greater than the value</td></tr> <tr><td>TimeFilter.ltEq(value)</td><td>Choose the time less than or equal to the value</td></tr> <tr><td>TimeFilter.gtEq(value)</td><td>Choose the t [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The usage of  <code>ValueFilter</code> is the same as using <code>TimeFilter</code>, just to make sure that the type of the value
+equal to the measurement's(defined in the path).</p></li></ul></li> <li><p><strong>Binary Filter Operators</strong></p> <p>Binary filter operators can be used to link two single expressions.</p> <ul><li>BinaryExpression.and(Expression, Expression): Choose the value satisfy for both expressions.</li> <li>BinaryExpression.or(Expression, Expression): Choose the value satisfy for at least one expression.</li></ul></li></ul> <h5 id="filter-expression-examples"><a href="#filter-expression-exam [...]
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.ltEq(15)); // series time &lt;= 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.lt(15)); // series time &lt; 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.gtEq(15)); // series time &gt;= 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = new GlobalTimeExpression(TimeFilter.notEq(15)); // series time != 15
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = BinaryExpression.and(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
+                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // 15 &lt;= series time &lt; 25
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>IExpression timeFilterExpr = BinaryExpression.or(new GlobalTimeExpression(TimeFilter.gtEq(15L)),
+                                         new GlobalTimeExpression(TimeFilter.lt(25L))); // series time &gt;= 15 or series time &lt; 25
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="read-interface"><a href="#read-interface" class="header-anchor">#</a> Read Interface</h4> <p>First, we open the TsFile and get a <code>ReadOnlyTsFile</code> instance from a file path string <code>path</code>.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TsFileSequenceReader reader = new TsFileSequenceRe [...]
+   
+ReadOnlyTsFile readTsFile = new ReadOnlyTsFile(reader);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Next, we prepare the path array and query expression, then get final <code>QueryExpression</code> object by this interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>QueryExpression queryExpression = QueryExpression.create(paths, statement);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The ReadOnlyTsFile class has two <code>query</code> method to perform a query.</p> <ul><li><p><strong>Method 1</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></li> <li><p><strong>Method 2</strong></p> <div class="language- line-numbers-mode"><pre class="language-text"><code>public QueryDataSet query(QueryExpression queryExpression, long partitionStartOffset, long partitionEndOffset) throws IOException
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This method is designed for advanced applications such as the TsFile-Spark Connector.</p> <ul><li><p><strong>params</strong> : For method 2, two additional parameters are added to support partial query:</p> <ul><li><code>partitionStartOffset</code>: start offset for a TsFile</li> <li><code>partitionEndOffset</code>: end offset for a TsFile</li></ul> <blockquote><p><strong>What is Partial  [...]
+ INT32,
+ INT64,
+ FLOAT,
+ DOUBLE,
+ TEXT;
+</code></pre></div></li> <li><p><code>RowRecord next() throws IOException;</code></p> <p>Get the next record.</p> <p>The class <code>RowRecord</code> consists of a <code>long</code> timestamp and a <code>List&lt;Field&gt;</code> for data in different sensors,
+we can use two getter methods to get them.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>long getTimestamp();
+List&lt;Field&gt; getFields();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>To get data from one Field, use these methods:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>TSDataType getDataType();
+Object getObjectValue();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></li></ul> <h4 id="example-for-reading-an-existing-tsfile"><a href="#example-for-reading-an-existing-tsfile" class="header-anchor">#</a> Example for reading an existing TsFile</h4> <p>You should install TsFile to your local maven repository.</p> <p>A more thorough example with query statement can be found at
+<code>/tsfile/example/src/main/java/org/apache/iotdb/tsfile/TsFileRead.java</code></p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">package</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>io</span><span class="token punctuation">.</span><span class="token class-name">IOException</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">java<span class="token punctuation">.</span>util</span><span class="token punctuation">.</span><span class="token class-name">ArrayList</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read</span><span class="token punctuation">.</span><span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read</span><span class="token punctuation">.</span><span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>common</span><span class="token punctuation">.</span><span class="token class-name">Path</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">IExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression</span><span class="token punctuation">.</span><span class="token class-name">QueryExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">BinaryExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">GlobalTimeExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>expression<span class="token punctuation">.</span>impl</span><span class="token punctuation">.</span><span class="token class-name">SingleSeriesExpression</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">TimeFilter</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>filter</span><span class="token punctuation">.</span><span class="token class-name">ValueFilter</span><span class="token punctuation">;</span>
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile<span class="token punctuation">.</span>read<span class="token punctuation">.</span>query<span class="token punctuation">.</span>dataset</span><span class="token punctuation">.</span><span class="token class-name">QueryDataSet</span><span class="token punctuation">;</span>
+
+<span class="token comment">/**
+ * The class is to show how to read TsFile file named &quot;test.tsfile&quot;.
+ * The TsFile file &quot;test.tsfile&quot; is generated from class TsFileWrite.
+ * Run TsFileWrite to generate the test.tsfile first
+ */</span>
+<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TsFileRead</span> <span class="token punctuation">{</span>
+  <span class="token keyword">private</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">queryAndPrint</span><span class="token punctuation">(</span><span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths<span class="token punctuation">,</span> <span class="token [...]
+          <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span>
+    <span class="token class-name">QueryExpression</span> queryExpression <span class="token operator">=</span> <span class="token class-name">QueryExpression</span><span class="token punctuation">.</span><span class="token function">create</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> statement<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">QueryDataSet</span> queryDataSet <span class="token operator">=</span> readTsFile<span class="token punctuation">.</span><span class="token function">query</span><span class="token punctuation">(</span>queryExpression<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token keyword">while</span> <span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">hasNext</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
+      <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>queryDataSet<span class="token punctuation">.</span><span class="token function">next</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token punctuation">}</span>
+    <span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">&quot;------------&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+
+  <span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punct [...]
+
+    <span class="token comment">// file path</span>
+    <span class="token class-name">String</span> path <span class="token operator">=</span> <span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// create reader and get the readTsFile interface</span>
+    <span class="token class-name">TsFileSequenceReader</span> reader <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileSequenceReader</span><span class="token punctuation">(</span>path<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token class-name">ReadOnlyTsFile</span> readTsFile <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ReadOnlyTsFile</span><span class="token punctuation">(</span>reader<span class="token punctuation">)</span><span class="token punctuation">;</span>
+    <span class="token comment">// use these paths(all sensors) for all the queries</span>
+    <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token class-name">Path</span><span class="token punctuation">&gt;</span></span> paths <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token generics"><span class="token punctuation">&lt;</span><span class="token punctuation">&gt;</span></span><span class="token punct [...]
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_1&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_2&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+    paths<span class="token punctuation">.</span><span class="token function">add</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Path</span><span class="token punctuation">(</span><span class="token string">&quot;device_1.sensor_3&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">// no query statement</span>
+    <span class="token function">queryAndPrint</span><span class="token punctuation">(</span>paths<span class="token punctuation">,</span> readTsFile<span class="token punctuation">,</span> <span class="token keyword">null</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+
+    <span class="token comment">//close the reader when you left</span>
+    reader<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
+  <span class="token punctuation">}</span>
+<span class="token punctuation">}</span>
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+config.setXXX();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
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diff --git a/UserGuide/Master/Master/Master/Client/Status Codes.html b/UserGuide/Master/Master/Master/Client/Status Codes.html
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@@ -0,0 +1,69 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    writeData();
+} catch (SQLException e) {
+  // the most case is that the time series does not exist
+  if (e.getMessage().contains(&quot;exist&quot;)) {
+      //However, using the content of the error message is not so efficient
+      registerTimeSeries();
+      //write data once again
+      writeData();
+  }
+}
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+A base exception class &quot;ProcessException&quot; is also added to be extended by all exceptions.</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Master/Master/Concept/Compression.html b/UserGuide/Master/Master/Master/Concept/Compression.html
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+</html>
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diff --git a/UserGuide/Master/Master/Master/Concept/Data Model and Terminology.html b/UserGuide/Master/Master/Master/Concept/Data Model and Terminology.html
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+LayerName: Identifier | STAR
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Among them, STAR is &quot;*&quot; and DOT is &quot;.&quot;.</p> <p>We call the middle part of a path between two &quot;.&quot; as a layer, and thus <code>root.A.B.C</code> is a path with four layers.</p> <p>It is worth noting that in the path, root is a reserved character, which is only allowed to appear at the beginning of the time series mentioned b [...]
+<table><thead><tr><th style="text-align:center;">Format</th></tr></thead> <tbody><tr><td style="text-align:center;">yyyy-MM-dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy-MM-dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy/MM/dd'T'HH:mm:ss</td></tr> <tr><td style="text-align:center;">yyyy.MM.dd'T'HH:mm:ss</td></tr> <tr><td style=" [...]
+<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">G</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td> <td style="text-align:center;">era</td></tr> <tr><td style="text-align:center;">C</td> <td style="text-align:center;">century of era (&gt;=0)</td> <td  [...]
+ RelativeTime = (now() | DATETIME) ((+|-) Duration)+
+       
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div> <center>**The syntax of the duration unit**
+<table><thead><tr><th style="text-align:center;">Symbol</th> <th style="text-align:center;">Meaning</th> <th style="text-align:center;">Presentation</th> <th style="text-align:center;">Examples</th></tr></thead> <tbody><tr><td style="text-align:center;">y</td> <td style="text-align:center;">year</td> <td style="text-align:center;">1y=365 days</td> <td style="text-align:center;">1y</td></tr> <tr><td style="text-align:center;">mo</td> <td style="text-align:center;">month</td> <td style="te [...]
+now() - 1w //1 week earlier than the current server time
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><blockquote><p>Note:There must be spaces on the left and right of '+' and '-'.</p></blockquote></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/110.1c52a0d8.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Concept/Data Type.html b/UserGuide/Master/Master/Master/Concept/Data Type.html
new file mode 100644
index 0000000..4637385
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+++ b/UserGuide/Master/Master/Master/Concept/Data Type.html	
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+error: encoding TS_2DIFF does not support BOOLEAN
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/111.373b98bc.js" defer></script>
+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Concept/Encoding.html b/UserGuide/Master/Master/Master/Concept/Encoding.html
new file mode 100644
index 0000000..a896f1c
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+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+    gitHub
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+  Wiki
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+  Foundation
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+  License
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+  Security
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+  Sponsorship
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Concept/Encoding.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Maste [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<table><thead><tr><th style="text-align:center;">Data Type</th> <th style="text-align:center;">Supported Encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">BOOLEAN</td> <td style="text-align:center;">PLAIN, RLE</td></tr> <tr><td style="text-align:center;">INT32</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, REGULAR</td></tr> <tr><td style="text-align:center;">INT64</td> <td style="text-align:center;">PLAIN, RLE, TS_2DIFF, REGULAR</td></tr> <tr><td style="text [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+</html>
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+  Wiki
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+  Foundation
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Grafana installation
+<ul><li>Install Grafana</li> <li>Install data source plugin</li> <li>Start Grafana</li></ul></li> <li>IoTDB installation</li> <li>IoTDB-Grafana installation
+<ul><li>Start IoTDB-Grafana</li></ul></li> <li>Explore in Grafana
+<ul><li>Add data source</li> <li>Design in dashboard</li></ul></li></ul></li></ul> <h1 id="iotdb-grafana-2"><a href="#iotdb-grafana-2" class="header-anchor">#</a> IoTDB-Grafana</h1> <p>This project provides a connector which reads data from IoTDB and sends to Grafana(https://grafana.com/). Before you use this tool, make sure Grafana and IoTDB are correctly installed and started.</p> <h2 id="grafana-installation"><a href="#grafana-installation" class="header-anchor">#</a> Grafana installa [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Alternatively, you can manually download the .zip file and unpack it into your grafana plugins directory.</p> <ul><li><code>{grafana-install-directory}\data\plugins\</code> (Windows)</li> <li><code>/var/lib/grafana/plugins</code> (Linux)</li> <li><code>/usr/local/var/lib/grafana/plugins</code>(Mac)</li></ul> <h3 id="start-grafana"><a href="#start-grafana" class="header-anchor">#</a> Start [...]
+First make sure homebrew/services is installed by running <code>brew tap homebrew/services</code>, then start Grafana using: <code>brew services start grafana</code>.
+See more information <a href="http://docs.grafana.org/installation/mac/" target="_blank" rel="noopener noreferrer">here<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="start-iotdb-grafana"><a href="#start-iotdb-grafana" class="header-anchor">#</a> Start IoTDB-Grafana</h3> <h4 id="option-one"><a href="#option-one" class="header-anchor">#</a> Option one</h4> <p>Import the entire project, after the maven dependency is installed, directly run<code>incubatoriotdb/grafana/rc/main/java/org/apache/iotdb/web/grafana</code>directory<code>TsfileWebDemoApplica [...]
+mvn clean package -pl grafana -am -Dmaven.test.skip<span class="token operator">=</span>true
+<span class="token builtin class-name">cd</span> grafana/target
+java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>.war
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>If you see the following output, iotdb-grafana connector is successfully activated.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ java -jar iotdb-grafana-<span class="token punctuation">{</span>version<span class="token punctuation">}</s [...]
+
+  <span class="token builtin class-name">.</span>   ____          _            __ _ _
+ /<span class="token punctuation">\</span><span class="token punctuation">\</span> / ___<span class="token string">'_ __ _ _(_)_ __  __ _ \ \ \ \
+( ( )\___ | '</span>_ <span class="token operator">|</span> <span class="token string">'_| | '</span>_ <span class="token punctuation">\</span>/ _` <span class="token operator">|</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span> <span class="token punctuation">\</span>
+ <span class="token punctuation">\</span><span class="token punctuation">\</span>/  ___<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">)</span><span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">|</span> <span class="token operator">||</span> <span class="token p [...]
+  '  <span class="token operator">|</span>____<span class="token operator">|</span> .__<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token operator">|</span>_<span class="token operator">|</span> <span class="token operator">|</span>_<span class="token punctuation">\</span>__, <span class="token operator">|</span> / / / /
+ <span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">=</span><span class="token operator">|</span>_<span class="token operator">|</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span><span class="token operator">==</span [...]
+ :: Spring Boot ::        <span class="token punctuation">(</span>v1.5.4.RELEASE<span class="token punctuation">)</span>
+<span class="token punctuation">..</span>.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>If you need to configure properties, move the <c [...]
+<img src="https://user-images.githubusercontent.com/13203019/51664777-2766ae00-1ff5-11e9-9d2f-7489f8ccbfc2.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p> <img src="https://user-images.githubusercontent.com/13203019/51664842-554bf280-1ff5-11e9-97d2-54eebe0b2ca1.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="design-in-dashboard"><a href="#design-in-dashboard [...]
+spring.datasource.url=jdbc:iotdb://127.0.0.1:6667/
+spring.datasource.username=root
+spring.datasource.password=root
+spring.datasource.driver-class-name=org.apache.iotdb.jdbc.IoTDBDriver
+server.port=8888
+# Use this value to set timestamp precision as &quot;ms&quot;, &quot;us&quot; or &quot;ns&quot;, which must to be same with the timestamp
+# precision of Apache IoTDB engine.
+timestamp_precision=ms
+
+# Use this value to set down sampling true/false
+isDownSampling=true
+# defaut sampling intervals
+interval=1m
+# aggregation function to use to downsampling the data (int, long, float, double)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MAX_VALUE, AVG, MIN_TIME, MIN_VALUE, NOW, SUM
+continuous_data_function=AVG
+# aggregation function to use to downsampling the data (boolean, string)
+# COUNT, FIRST_VALUE, LAST_VALUE, MAX_TIME, MIN_TIME, NOW
+discrete_data_function=LAST_VALUE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/113.e5dd16f6.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFile.html b/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFile.html
new file mode 100644
index 0000000..53b43af
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFile.html	
@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+  Thanks
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFi [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Ecosystem Integration/Hive TsFi [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>About TsFile-Hive-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>Add Dependency For Hive</li> <li>Creating Tsfile-backed Hive tables</li> <li>Querying from Tsfile-backed Hive tables
+<ul><li>Select Clause Example</li> <li>Aggregate Clause Example</li></ul></li> <li>What's Next</li></ul></li></ul> <h2 id="about-tsfile-hive-connector"><a href="#about-tsfile-hive-connector" class="header-anchor">#</a> About TsFile-Hive-Connector</h2> <p>TsFile-Hive-Connector implements the support of Hive for external data sources of Tsfile type. This enables users to operate Tsfile by Hive.</p> <p>With this connector, you can</p> <ul><li>Load a single TsFile, from either the local file [...]
+
+Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar] to class path
+Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.10.0-jar-with-dependencies.jar]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="creating-tsfile-backed-hive-tables"><a href="#creating-tsfile-backed-hive-tables" class="header-anchor">#</a> Creating Tsfile-backed Hive tables</h2> <p>To create a Tsfile-backed table, specify the <code>serde</code> as <code>org.apache.iotdb.hive.TsFileSerDe</code>,
+specify the <code>inputformat</code> as <code>org.apache.iotdb.hive.TSFHiveInputFormat</code>,
+and the <code>outputformat</code> as <code>org.apache.iotdb.hive.TSFHiveOutputFormat</code>.</p> <p>Also provide a schema which only contains two fields: <code>time_stamp</code> and <code>sensor_id</code> for the table.
+<code>time_stamp</code> is the time value of the time series
+and <code>sensor_id</code> is the name of the sensor you want to extract from the tsfile to hive such as <code>sensor_1</code>.
+The name of the table can be any valid tables names in hive.</p> <p>Also provide a location from which hive-connector will pull the most current data for the table.</p> <p>The location must be a specific directory, it can be on your local file system or HDFS if you have set up Hadoop.
+If it is in your local file system, the location should look like <code>file:///data/data/sequence/root.baic2.WWS.leftfrontdoor/</code></p> <p>At last, you should set the <code>device_id</code> in <code>TBLPROPERTIES</code> to the device name you want to analyze.</p> <p>For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE EXTERNAL TABLE IF NOT EXISTS only_sensor_1(
+  time_stamp TIMESTAMP,
+  sensor_1 BIGINT)
+ROW FORMAT SERDE 'org.apache.iotdb.hive.TsFileSerDe'
+STORED AS
+  INPUTFORMAT 'org.apache.iotdb.hive.TSFHiveInputFormat'
+  OUTPUTFORMAT 'org.apache.iotdb.hive.TSFHiveOutputFormat'
+LOCATION '/data/data/sequence/root.baic2.WWS.leftfrontdoor/'
+TBLPROPERTIES ('device_id'='root.baic2.WWS.leftfrontdoor.plc1');
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>In this example we're pulling the data of <code>root.baic2.WWS.leftfrontdoor.plc1.senso [...]
+This table might result in a description as below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive&gt; describe only_sensor_1;
+OK
+time_stamp          	timestamp              	from deserializer
+sensor_1            	bigint              	from deserializer
+Time taken: 0.053 seconds, Fetched: 2 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>At this point, the Tsfile-backed table can be worked with in Hive like any other table.</p> <h2 id="querying-from-tsfile-backed-hive-tables"><a href="#querying-from-tsfile-backed-hive-tables" class="header-anchor">#</a> Querying from Tsfil [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Now, we already have an external table named <code>only_sensor_1</code> in hive.
+We can use any query operations through HQL to analyse it.</p> <p>For example:</p> <h3 id="select-clause-example"><a href="#select-clause-example" class="header-anchor">#</a> Select Clause Example</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive&gt; select * from only_sensor_1 limit 10;
+OK
+1	1000000
+2	1000001
+3	1000002
+4	1000003
+5	1000004
+6	1000005
+7	1000006
+8	1000007
+9	1000008
+10	1000009
+Time taken: 1.464 seconds, Fetched: 10 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+WARNING: Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution engine (i.e. spark, tez) or using Hive 1.X releases.
+Query ID = jackietien_20191016202416_d1e3e233-d367-4453-b39a-2aac9327a3b6
+Total jobs = 1
+Launching Job 1 out of 1
+Number of reduce tasks determined at compile time: 1
+In order to change the average load for a reducer (in bytes):
+  set hive.exec.reducers.bytes.per.reducer=&lt;number&gt;
+In order to limit the maximum number of reducers:
+  set hive.exec.reducers.max=&lt;number&gt;
+In order to set a constant number of reducers:
+  set mapreduce.job.reduces=&lt;number&gt;
+Job running in-process (local Hadoop)
+2019-10-16 20:24:18,305 Stage-1 map = 0%,  reduce = 0%
+2019-10-16 20:24:27,443 Stage-1 map = 100%,  reduce = 100%
+Ended Job = job_local867757288_0002
+MapReduce Jobs Launched:
+Stage-Stage-1:  HDFS Read: 0 HDFS Write: 0 SUCCESS
+Total MapReduce CPU Time Spent: 0 msec
+OK
+1000000
+Time taken: 11.334 seconds, Fetched: 1 row(s)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Writing tables to Tsfiles is under development.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/114.2c9e9419.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Ecosystem Integration/MapReduce TsFile.html b/UserGuide/Master/Master/Master/Ecosystem Integration/MapReduce TsFile.html
new file mode 100644
index 0000000..2312aca
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Ecosystem Integration/MapReduce TsFile.html	
@@ -0,0 +1,155 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Ecosystem Integration/MapR [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Ecosystem Integration/MapReduce TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Ecosystem Integration/MapR [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>About TsFile-Hadoop-Connector</li> <li>System Requirements</li> <li>Data Type Correspondence</li> <li>TSFInputFormat Explanation</li> <li>Examples
+<ul><li>Read Example: calculate the sum</li> <li>Write Example: write the average into Tsfile</li></ul></li></ul></li></ul> <h1 id="tsfile-hadoop-connector-user-guide"><a href="#tsfile-hadoop-connector-user-guide" class="header-anchor">#</a> TsFile-Hadoop-Connector User Guide</h1> <h2 id="about-tsfile-hadoop-connector"><a href="#about-tsfile-hadoop-connector" class="header-anchor">#</a> About TsFile-Hadoop-Connector</h2> <p>TsFile-Hadoop-Connector implements the support of Hadoop for ext [...]
+    &quot;time_stamp&quot;: 10000000,
+    &quot;device_id&quot;:  d1,
+    &quot;s1&quot;:         true,
+    &quot;s2&quot;:         3.14,
+    &quot;s3&quot;:         &quot;middle&quot;
+}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>In the Map job of Hadoop, you can get any value you want by key as following:</p> <p><code>mapwritable.get(new Text(&quot;s1&quot;))</code></p> <blockquote><p>Note [...]
+    TSFInputFormat.setReadTime(job, true); 
+    // configure reading deviceId enable
+    TSFInputFormat.setReadDeviceId(job, true); 
+    // configure reading which deltaObjectIds
+    String[] deviceIds = {&quot;device_1&quot;};
+    TSFInputFormat.setReadDeviceIds(job, deltaObjectIds);
+    // configure reading which measurementIds
+    String[] measurementIds = {&quot;sensor_1&quot;, &quot;sensor_2&quot;, &quot;sensor_3&quot;};
+    TSFInputFormat.setReadMeasurementIds(job, measurementIds);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>And then,the output key and value of mapper and  [...]
+    job.setInputFormatClass(TSFInputFormat.class);
+    // set mapper output key and value
+    job.setMapOutputKeyClass(Text.class);
+    job.setMapOutputValueClass(DoubleWritable.class);
+    // set reducer output key and value
+    job.setOutputKeyClass(Text.class);
+    job.setOutputValueClass(DoubleWritable.class);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>Then, the <code>mapper</code> and <code>reducer</code> class is how you deal with the <code>MapWritable</code> produced by <c [...]
+
+    @Override
+    protected void map(NullWritable key, MapWritable value,
+        Mapper&lt;NullWritable, MapWritable, Text, DoubleWritable&gt;.Context context)
+        throws IOException, InterruptedException {
+
+      Text deltaObjectId = (Text) value.get(new Text(&quot;device_id&quot;));
+      context.write(deltaObjectId, (DoubleWritable) value.get(new Text(&quot;sensor_3&quot;)));
+    }
+  }
+
+  public static class TSReducer extends Reducer&lt;Text, DoubleWritable, Text, DoubleWritable&gt; {
+
+    @Override
+    protected void reduce(Text key, Iterable&lt;DoubleWritable&gt; values,
+        Reducer&lt;Text, DoubleWritable, Text, DoubleWritable&gt;.Context context)
+        throws IOException, InterruptedException {
+
+      double sum = 0;
+      for (DoubleWritable value : values) {
+        sum = sum + value.get();
+      }
+      context.write(key, new DoubleWritable(sum));
+    }
+  }
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+   // set reducer output key and value
+   job.setOutputKeyClass(NullWritable.class);
+   job.setOutputValueClass(HDFSTSRecord.class);
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Then, the <code>mapper</code> and <code>reducer</code> class is how you deal with the <code>MapWritable</code> produced by <code>TSFInputFormat</code> class.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>    public static class TSMapper extends  [...]
+        @Override
+        protected void map(NullWritable key, MapWritable value,
+                           Mapper&lt;NullWritable, MapWritable, Text, MapWritable&gt;.Context context)
+                throws IOException, InterruptedException {
+
+            Text deltaObjectId = (Text) value.get(new Text(&quot;device_id&quot;));
+            long timestamp = ((LongWritable)value.get(new Text(&quot;timestamp&quot;))).get();
+            if (timestamp % 100000 == 0) {
+                context.write(deltaObjectId, new MapWritable(value));
+            }
+        }
+    }
+
+    /**
+     * This reducer calculate the average value.
+     */
+    public static class TSReducer extends Reducer&lt;Text, MapWritable, NullWritable, HDFSTSRecord&gt; {
+
+        @Override
+        protected void reduce(Text key, Iterable&lt;MapWritable&gt; values,
+                              Reducer&lt;Text, MapWritable, NullWritable, HDFSTSRecord&gt;.Context context) throws IOException, InterruptedException {
+            long sensor1_value_sum = 0;
+            long sensor2_value_sum = 0;
+            double sensor3_value_sum = 0;
+            long num = 0;
+            for (MapWritable value : values) {
+                num++;
+                sensor1_value_sum += ((LongWritable)value.get(new Text(&quot;sensor_1&quot;))).get();
+                sensor2_value_sum += ((LongWritable)value.get(new Text(&quot;sensor_2&quot;))).get();
+                sensor3_value_sum += ((DoubleWritable)value.get(new Text(&quot;sensor_3&quot;))).get();
+            }
+            HDFSTSRecord tsRecord = new HDFSTSRecord(1L, key.toString());
+            DataPoint dPoint1 = new LongDataPoint(&quot;sensor_1&quot;, sensor1_value_sum / num);
+            DataPoint dPoint2 = new LongDataPoint(&quot;sensor_2&quot;, sensor2_value_sum / num);
+            DataPoint dPoint3 = new DoubleDataPoint(&quot;sensor_3&quot;, sensor3_value_sum / num);
+            tsRecord.addTuple(dPoint1);
+            tsRecord.addTuple(dPoint2);
+            tsRecord.addTuple(dPoint3);
+            context.write(NullWritable.get(), tsRecord);
+        }
+    }
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/115.f69eca60.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Ecosystem Integration/Spark IoTDB.html b/UserGuide/Master/Master/Master/Ecosystem Integration/Spark IoTDB.html
new file mode 100644
index 0000000..8c286fe
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Ecosystem Integration/Spark IoTDB.html	
@@ -0,0 +1,114 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
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+      &lt;groupId&gt;org.apache.iotdb&lt;/groupId&gt;
+      &lt;artifactId&gt;spark-iotdb-connector&lt;/artifactId&gt;
+      &lt;version&gt;0.10.0&lt;/version&gt;
+    &lt;/dependency&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h1 id="_2-spark-shell-user-guide"><a href="#_2-spark-shell-user-guide" class="header-anchor">#</a> 2. spark-shell user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>spark-shell --jars spark-iotdb-connec [...]
+
+import org.apache.iotdb.spark.db._
+
+val df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;,&quot;select * from root&quot;).load
+
+df.printSchema()
+
+df.show()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h3 id="if-you-want-to-partition-your-rdd-you-can-do-as-following"><a href="#if-you-want-t [...]
+
+import org.apache.iotdb.spark.db._
+
+val df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;,&quot;select * from root&quot;).
+                        option(&quot;lowerBound&quot;, [lower bound of time that you want query(include)]).option(&quot;upperBound&quot;, [upper bound of time that you want query(include)]).
+                        option(&quot;numPartition&quot;, [the partition number you want]).load
+
+df.printSchema()
+
+df.show()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h1 id="_3-s [...]
+
+val wide_df = spark.read.format(&quot;org.apache.iotdb.spark.db&quot;).option(&quot;url&quot;, &quot;jdbc:iotdb://127.0.0.1:6667/&quot;).option(&quot;sql&quot;, &quot;select * from root where time &lt; 1100 and time &gt; 1000&quot;).load
+val narrow_df = Transformer.toNarrowForm(spark, wide_df)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="from-narrow-to-wide"><a href="#from-narrow-to-wide" class="header-anchor">#</a> from narrow to wide</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.iotdb.spark.db._
+
+val wide_df = Transformer.toWideForm(spark, narrow_df)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h1 id="_5-java-user-guide"><a href="#_5-java-user-guide" class="header-anchor">#</a> 5. Java user guide</h1> <div class="language- line-numbers-mode"><pre class="language-text"><code>import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Row;
+import org.apache.spark.sql.SparkSession;
+import org.apache.iotdb.spark.db.*
+
+public class Example {
+
+  public static void main(String[] args) {
+    SparkSession spark = SparkSession
+        .builder()
+        .appName(&quot;Build a DataFrame from Scratch&quot;)
+        .master(&quot;local[*]&quot;)
+        .getOrCreate();
+
+    Dataset&lt;Row&gt; df = spark.read().format(&quot;org.apache.iotdb.spark.db&quot;)
+        .option(&quot;url&quot;,&quot;jdbc:iotdb://127.0.0.1:6667/&quot;)
+        .option(&quot;sql&quot;,&quot;select * from root&quot;).load();
+
+    df.printSchema();
+
+    df.show();
+    
+    Dataset&lt;Row&gt; narrowTable = Transformer.toNarrowForm(spark, df)
+    narrowTable.show()
+  }
+}
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Ecosystem Integration/Spark TsFile.html b/UserGuide/Master/Master/Master/Ecosystem Integration/Spark TsFile.html
new file mode 100644
index 0000000..eec86fd
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Ecosystem Integration/Spark TsFile.html	
@@ -0,0 +1,113 @@
+<!DOCTYPE html>
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Ecosystem Integration/Spark TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Ecosystem Integration/Spark Ts [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h3 id="distributed-mode"><a href="#distributed-mode" class="header-anchor">#</a> Distributed Mode</h3> <p>Start Spark with TsFi [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Note:</p> <ul><li>&lt;spark-shell-path&gt; is the real path of your spark-shell.</li> <li>Multiple jar packages are separated by commas without any spaces.</li> <li>See https://github.com/apache/incubator-iotdb/tree/master/tsfile for how to get TsFile.</li></ul> <h2 id="_4-data-type-correspondence"><a href="#_4-data-type-correspondence" class="header-anchor">#</a> 4. Data Type Corresponde [...]
+<span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">)</span>  
+wide_df<span class="token punctuation">.</span>show
+
+<span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
+narrow_df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-2-read-from-the-hadoop-file-system"><a href="#example-2-read-from-the-hadoop-file-system" class="header-anchor">#</a> Example 2: read from the hadoop file system</h3> <div class="language- [...]
+<span class="token keyword">val</span> wide_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+wide_df<span class="token punctuation">.</span>show
+
+<span class="token keyword">val</span> narrow_df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>  
+narrow_df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h3 id="example-3-read-from-a-specific-directory"><a href="#example-3-read-from-a-specific-directory" class="header-anchor">#</a> Example 3: read from a specific directory</h3> <div class="language-scala  [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/usr/hadoop&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>Note 1: Global time ordering of all TsFiles in a directory is not supported now.</p> <p>Note 2: Measurements of the same name should have the same schema.</p> <h3 id="example-4-query-in-wide-form"><a href="#example-4-query-in-wide-form" class="header-anchor">#</a> Example 4: query in wide form</h3> <div class="lan [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where `device_1.sensor_1`&gt;0 and `device_1.sensor_2` &lt; 22&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-5-query-in-narrow-form"><a href="#example-5-query-in-narrow-form" class="header-anchor">#</a> Example 5: query in narrow form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="to [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select * from tsfile_table where device_name = 'root.ln.wf02.wt02' and temperature &gt; 5&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>i [...]
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>createOrReplaceTempView<span class="token punctuation">(</span><span class="token string">&quot;tsfile_table&quot;</span><span class="token punctuation">)</span>
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>sql<span class="token punctuation">(</span><span class="token string">&quot;select count(*) from tsfile_table&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h3 id="example-6-write-in-wide-form"><a href="#example-6-write-in-wide-form" class="header-anchor">#</a> Example 6: write in wide form</h3> <div class="language-scala line-numbers-mode"><pre class="language-scala"><code><span class="token co [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">.</span>_
+
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+df<span class="token punctuation">.</span>write<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">)</span>
+
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="example-6-write-in-narrow-form"><a href="#example-6-write-in-narrow-form" class="h [...]
+<span class="token keyword">import</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>tsfile</span><span class="token punctuation">.</span>_
+
+<span class="token keyword">val</span> df <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/test.tsfile&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span> 
+df<span class="token punctuation">.</span>show
+df<span class="token punctuation">.</span>write<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>
+
+<span class="token keyword">val</span> newDf <span class="token operator">=</span> spark<span class="token punctuation">.</span>read<span class="token punctuation">.</span>tsfile<span class="token punctuation">(</span><span class="token string">&quot;hdfs://localhost:9000/output&quot;</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span>
+newDf<span class="token punctuation">.</span>show
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="appendix-a-old-design-of-schema-inference"><a href="#appendix-a-old-design-of-sche [...]
+There are two ways to show it out:
+<h4 id="the-default-way"><a href="#the-default-way" class="header-anchor">#</a> the default way</h4> <p>Two columns will be created to store the full path of the device: time(LongType) and delta_object(StringType).</p> <ul><li><code>time</code> : Timestamp, LongType</li> <li><code>delta_object</code> : Delta_object ID, StringType</li></ul> <p>Next, a column is created for each Measurement to store the specific data. The SparkSQL table structure is as follows:</p> <center><table style="te [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Get Started/Frequently asked questions.html b/UserGuide/Master/Master/Master/Get Started/Frequently asked questions.html
new file mode 100644
index 0000000..4d90fee
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+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>How can I identify my version of IoTDB?</li> <li>Where can I find IoTDB logs?</li> <li>Where can I find IoTDB data files?</li> <li>How do I know how many time series are stored in IoTDB?</li> <li>Can I use Hadoop and Spark to read TsFile in IoTDB?</li> <li>How does IoTDB handle duplicate points?</li> <li>How can I tell what type of the specific timeseries?</li> <li>How can I change IoTDB's Cli time display format?</li></ul></li></ul> <h2 id="how-can-i-identify-my-version-of-iotdb [...]
+ _____       _________  ______   ______    
+|_   _|     |  _   _  ||_   _ `.|_   _ \   
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |  
+  | | / .'`\ \  | |      | |  | | |  __'.  
+ _| |_| \__. | _| |_    _| |_.' /_| |__) | 
+|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Check pom.xml file:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>&lt;version&gt;x.x.x&lt;/version&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use JDBC API:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>String iotdbVersion = tsfileDatabaseMetadata.getDatabaseProductVersion();
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Use Command Line Interface:</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show version
+show version
++---------------+
+|version        |
++---------------+
+|x.x.x          |
++---------------+
+Total line number = 1
+It costs 0.241s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><h2 id="where-can-i-find-iotdb-logs"><a href="#where-can-i-find-iotdb-logs" class="header- [...]
+/workspace/incubator-iotdb
+
+$ ls -l
+server/
+cli/
+pom.xml
+Readme.md
+...
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p>Let <code>$IOTDB_HOME = /workspace/incubator-iotdb/server/target/iotdb-server-{project. [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the result, there will be a statement shows <code>Total timeseries number</code>, this number is the timeseries number in IoTDB.</p> <p>In the current version, IoTDB supports querying the number of time series. Use IoTDB's Command Line Interface:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; count timeseries root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you are using Linux, you can use the following shell command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; grep &quot;0,root&quot; $IOTDB_HOME/data/system/schema/mlog.txt |  wc -l
+&gt;   6
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb"><a href="#can-i-use-hadoop-and-spark-to-read-tsfile-in-iotdb" class="header-anchor">#</a> Can I use Hadoop and Spark to read TsFile in IoTDB?</h2> <p>Yes. IoTDB has intense integration with Open Source Ecosystem. IoTDB supports <a href="https://github.com/apache/incubator-iotdb/tree/master/hadoo [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If you want to query specific sensor, you can replace the &lt;timeseries path&gt; with the sensor name. For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.s1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Otherwise, you can also use wildcard in timeseries path:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; show timeseries root.fit.d1.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="how-can-i-change-iotdb-s-cli-time-display-format"><a href="#how-can-i-change-iotdb-s-cli-time-display-format" class="header-anchor">#</a> How can I change IoTDB's Cli time display format?</h2> <p>The default IoTDB's Cli time display format is human readable (e.g. <code>1970-01-01T08:00:00.001</code>), if you want to display time in timestamp type or other readable format, add paramet [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<ul><li>Build from source
+<ul><li>Configurations</li></ul></li></ul></li> <li>Start
+<ul><li>Start IoTDB</li> <li>Use IoTDB
+<ul><li>Use Cli</li> <li>Basic commands for IoTDB</li></ul></li> <li>Stop IoTDB</li></ul></li> <li>Only build server</li> <li>Only build cli</li></ul> <p>This short guide will walk you through the basic process of using IoTDB. For a more-complete guide, please visit our website's <a href="/UserGuide/Master/Master/Master/Overview/What is IoTDB.html">User Guide</a>.</p> <h2 id="prerequisites"><a href="#prerequisites" class="header-anchor">#</a> Prerequisites</h2> <p>To use IoTDB, you need  [...]
+<a href="/Download/">Here</a></p> <h2 id="configurations"><a href="#configurations" class="header-anchor">#</a> Configurations</h2> <p>configuration files are under &quot;conf&quot; folder</p> <ul><li>environment config module (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>system config module (<code>iotdb-engine.properties</code>)</li> <li>log config module (<code>logback.xml</code>).</li></ul> <p>For more, see <a href="/UserGuide/Master/Master/Master/Server/Download. [...]
+&gt; sbin/start-server.sh -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+
+# Windows
+&gt; sbin\start-server.bat -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>&quot;-c&quot; and &quot;-rpc_port&quot; are optional.</li> <li>option &quot;-c&quot; specifies the system configuration file directory.</li> <li>option &quot;-rpc_port&quot; specifies the rpc port.</li> <li>if both option specified,  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>to $IOTDB_JMX_OPTS in iotdb-env.sh. or iotdb-env.bat</p> <h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic steps of using Cli tool to insert and query data.</p> <p>After installing IoTDB, there is a de [...]
+default user to login Cli to use IoTDB. The startup script of Cli is the start-cli script in the folder sbin. When executing the script, user should assign
+IP, PORT, USER_NAME and PASSWORD. The default parameters are &quot;-h 127.0.0.1 -p 6667 -u root -pw -root&quot;.</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X
+&gt; sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root
+
+# Windows
+&gt; sbin\start-cli.bat -h 127.0.0.1 -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>The command line client is interactive so if everything is ready you should see the welcome logo and statements:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____       _________  ______   ______
+|_   _|     |  _   _  ||_   _ `.|_   _ \
+  | |   .--.|_/ | | \_|  | | `. \ | |_) |
+  | | / .'`\ \  | |      | |  | | |  __'.
+ _| |_| \__. | _| |_    _| |_.' /_| |__) |
+|_____|'.__.' |_____|  |______.'|_______/  version x.x.x
+
+
+IoTDB&gt; login successfully
+IoTDB&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h4 id="basic-commands-for-iotdb"><a href="#basic-c [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>We can also use SHOW STORAGE GROUP to check created storage group:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SHOW STORAGE GROUP
++-----------------------------------+
+|                      Storage Group|
++-----------------------------------+
+|                            root.ln|
++-----------------------------------+
+storage group number = 1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>After the storage group is set, we can use CREATE TIMESERIES to create new timeseries. When we create a timeseries, we should define its data type and the encoding [...]
+IoTDB&gt; CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>In order to query the specific timeseries, we can use SHOW TIMESERIES &lt;Path&gt;. &lt;Path&gt; represent the path of the timeseries. Its default value is null, which means querying all the timeseries in the system(the same as using &quot;SHOW TIMESERIES root&quot;). Here are the examples:</p> <ol><li>Querying all timeseries in the system:</li></ol>  [...]
++-------------------------------+---------------+--------+--------+
+|                     Timeseries|  Storage Group|DataType|Encoding|
++-------------------------------+---------------+--------+--------+
+|       root.ln.wf01.wt01.status|        root.ln| BOOLEAN|   PLAIN|
+|  root.ln.wf01.wt01.temperature|        root.ln|   FLOAT|     RLE|
++-------------------------------+---------------+--------+--------+
+Total timeseries number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ol start="2"><li>Querying a specific timeseries(root.ln.wf01.wt01.status):</li></ol> <div class="language- line-numbers-mode">< [...]
++------------------------------+--------------+--------+--------+
+|                    Timeseries| Storage Group|DataType|Encoding|
++------------------------------+--------------+--------+--------+
+|      root.ln.wf01.wt01.status|       root.ln| BOOLEAN|   PLAIN|
++------------------------------+--------------+--------+--------+
+Total timeseries number = 1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Insert timeseries data is the basic operation of IoTDB, you can use ‘INSERT’ command to finish this. Before inserting you should assign the timestamp and the suffi [...]
+IoTDB&gt; INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) values(200,false,20.71)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The data we’ve just inserted displays like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; SELECT status FROM root.ln.wf01.wt01
++-----------------------+------------------------+
+|                   Time|root.ln.wf01.wt01.status|
++-----------------------+------------------------+
+|1970-01-01T08:00:00.100|                    true|
+|1970-01-01T08:00:00.200|                   false|
++-----------------------+------------------------+
+Total line number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>We can also query several timeseries data at once like this:</p> <div class="language- line-numbers-mode"><pre class="languag [...]
++-----------------------+--------------------------+-----------------------------+
+|                   Time|  root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature|
++-----------------------+--------------------------+-----------------------------+
+|1970-01-01T08:00:00.100|                      true|                         null|
+|1970-01-01T08:00:00.200|                     false|                        20.71|
++-----------------------+--------------------------+-----------------------------+
+Total line number = 2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>The commands to exit the Cli is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; quit
+or
+IoTDB&gt; exit
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>For more on what commands are supported by IoTDB SQL, see <a href="/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html">SQL Reference</a>.</p> <h3 id="stop-iotdb"><a href="#stop-iotdb" class="header-anchor">#</a> Stop IoTDB</h3> <p>The server can be stopped with ctrl-C or the following script:</p>  [...]
+&gt; sbin/stop-server.sh
+
+# Windows
+&gt; sbin\stop-server.bat
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><h2 id="only-build-cli"><a href="#only-build-cli" class="header-anchor">#</a> Only build cli</h2> <p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean package  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be at the folder &quot;cli/target/iotdb-cli-{project.version}&quot;.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/120.b0a96eed.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Operation Manual/Administration.html b/UserGuide/Master/Master/Master/Operation Manual/Administration.html
new file mode 100644
index 0000000..1f396d4
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Operation Manual/Administration.html	
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
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+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Operation Manual/Administration.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Operation Manual/Administration.h [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
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+  Foundation
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Operation Manual/Administration.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Operation Manual/Administration.h [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+CREATE USER sgcc_write_user 'write_pwd'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then use the following SQL statement to show the user:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>As can be seen from the result shown below, the two users have been created:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51578263-e2a91d00-1ef7-11e9-94e8-28819b6fea87.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <h3 id="grant-user-privilege"><a href="#grant-user-privilege" class="header-an [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51597609-9af5b600-1f36-11e9-9460-8ab185eb4735.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>Now, we grant the two users write privileges to the corre [...]
+GRANT USER sgcc_write_user PRIVILEGES 'INSERT_TIMESERIES' on root.sgcc
+INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>The execution result is as follows:
+<center><img src="https://user-images.githubusercontent.com/13203019/51578942-33ba1080-1efa-11e9-891c-09d69791aff1.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h2 id="other-instructions"><a href="#other-instructions" class="header-anchor">#</a> Other Instructions</h2> <h3 id="the-relationship-among-users-privileges-and-roles"><a href="#the-relationship-among-users-privileges-and-roles" class="header-anchor">#</a [...]
+<table><thead><tr><th style="text-align:left;">privilege Name</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">SET_STORAGE_GROUP</td> <td style="text-align:left;">create timeseries; set storage groups; path dependent</td></tr> <tr><td style="text-align:left;">INSERT_TIMESERIES</td> <td style="text-align:left;">insert data; path dependent</td></tr> <tr><td style="text-align:left;">UPDATE_TIMESERIES</td> <td style="text-align:left;" [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/121.89e1275e.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Operation Manual/DDL Data Definition Language.html b/UserGuide/Master/Master/Master/Operation Manual/DDL Data Definition Language.html
new file mode 100644
index 0000000..8b9ccfe
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Operation Manual/DDL Data Definition Language.html	
@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Operation Manual/DDL Data Definition Language.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Operation Manual/DD [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+IoTDB &gt; set storage group to root.sgcc
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>We can thus create two storage groups using the above two SQL statements.</p> <p>It is worth noting that when the path itself or the parent/child layer of the path is already set as a storage group, the path is then not allowed to be set as a storage group. For example, it is not feasible to set <code>root.ln.wf01</code> as a storage group when there  [...]
+Msg: org.apache.iotdb.exception.MetadataErrorException: org.apache.iotdb.exception.PathErrorException: The prefix of root.ln.wf01 has been set to the storage group.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="show-storage-group"><a href="#show-storage-group" class="header-anchor">#</a> Show Storage Group</h2> <p>After the storage group is created, we can use the <a href="/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html">SHOW STORAGE GROUP</a> statement to view all the storage groups. The SQL statement is as follows:</p> <div class=" [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is as follows:
+<center><img src="https://user-images.githubusercontent.com/13203019/51577338-84c70600-1ef4-11e9-9dab-605b32c02836.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h2 id="create-timeseries"><a href="#create-timeseries" class="header-anchor">#</a> Create Timeseries</h2> <p>According to the storage model selected before, we can create corresponding timeseries in the two storage groups respectively. The SQL statements  [...]
+IoTDB &gt; create timeseries root.ln.wf01.wt01.temperature with datatype=FLOAT,encoding=RLE
+IoTDB &gt; create timeseries root.ln.wf02.wt02.hardware with datatype=TEXT,encoding=PLAIN
+IoTDB &gt; create timeseries root.ln.wf02.wt02.status with datatype=BOOLEAN,encoding=PLAIN
+IoTDB &gt; create timeseries root.sgcc.wf03.wt01.status with datatype=BOOLEAN,encoding=PLAIN
+IoTDB &gt; create timeseries root.sgcc.wf03.wt01.temperature with datatype=FLOAT,encoding=RLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>It is worth noting that when in the CRATE TIMESERIES statement the encoding method conflicts with the data type, the system will give the corresponding error prompt as shown below:</p> <div class="lang [...]
+error: encoding TS_2DIFF does not support BOOLEAN
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Please refer to <a href="/UserGuide/Master/Master/Master/Concept/Encoding.html">Encoding</a> for correspondence between data type and encoding.</p> <h3 id="tag-and-attribute-management"><a href="#tag-and-attribute-management" class="header-anchor">#</a> Tag and attribute management</h3> <p>We can also add an alias, extra tag and attribute information  [...]
+The SQL statements for creating timeseries with extra tag and attribute information are extended as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>create timeseries root.turbine.d1.s1(temprature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY tags(tag1=v1, tag2=v2) attributes(attr1=v1, attr2=v2)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The <code>temprature</code> in the brackets is an alias for the sensor <code>s1</code>. So we can use <code>temprature</code> to replace <code>s1</code> anywhere.</p> <blockquote><p>Notice that the size of the extra tag and attribute information shouldn't exceed the <code>tag_attribute_total_size</code>.</p></blockquote> <p>The only difference between tag and attribute is that we will mai [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>reset the tag/attribute value</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 SET tag1=newV1, attr1=newV1
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>delete the existing tag/attribute</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 DROP tag1, tag2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>add new tags</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 ADD TAGS tag3=v3, tag4=v4
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>add new attributes</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 ADD ATTRIBUTES attr3=v3, attr4=v4
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>upsert tags and attributes</li></ul> <blockquote><p>add new key-value if the key doesn't exist, otherwise, update the old one with new value.</p></blockquote> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER timeseries root.turbine.d1.s1 UPSERT TAGS(tag3=v3, tag4=v4) ATTRIBUTES(attr3=v3, attr4=v4)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="show-timeseries"><a href="#show-timeseries" class="header-anchor">#</a> Show Timeseries</h2> <ul><li><p>SHOW TIMESERIES prefixPath? showWhereClause? limitClause?</p> <p>There are three optional clauses could be added behind SHOW TIMESERIES, return information of time series</p></li></ul> <p>Timeseries information includes: timeseries path, alias of measurement, storage group it belon [...]
+IoTDB&gt; show timeseries root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The results are shown below respectively:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577347-8db7d780-1ef4-11e9-91d6-764e58c10e94.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <center><img src="https://user-images.githubusercontent.com/13203019/515773 [...]
+show timeseries root.ln where description contains 'test1'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The results are shown below respectly:
+<center><img src="https://user-images.githubusercontent.com/16079446/79682385-61544d80-8254-11ea-8c23-9e93e7152fda.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <blockquote><p>Notice that, we only support one condition in the where clause. Either it's an equal filter or it is an <code>contains</code> filter. In both case, the property in the where condition must be a tag.</p></blockquote> <ul><li><p>SHOW TIMESERIE [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Return all child paths of the prefixPath, the prefixPath could contains *.</p> <p>Example:</p> <ul><li>return the child paths of root.ln:show child paths root.ln</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------+
+| child paths|
++------------+
+|root.ln.wf01|
+|root.ln.wf02|
++------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>get all paths in form of root.xx.xx.xx:show child paths root.*.*</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------+
+|    child paths|
++---------------+
+|root.ln.wf01.s1|
+|root.ln.wf02.s2|
++---------------+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h2 id="count-timeseries"><a href="#count-timeseries" class="header-anchor">#</a> Count Timeseries</h2> <p>IoTDB is able to use <code>COUNT TIMESERIES &lt;Path&gt;</code> to count the number of timeseries [...]
+IoTDB &gt; COUNT TIMESERIES root.ln
+IoTDB &gt; COUNT TIMESERIES root.ln.*.*.status
+IoTDB &gt; COUNT TIMESERIES root.ln.wf01.wt01.status
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Besides, <code>LEVEL</code> could be defined to show count the number of timeseries of each node at the given level in current Metadata Tree. This could be used to query the number of sensors under each device. The grammar is: <code>COUNT TIMESERIES &lt;Path&gt; GROUP BY LEVEL [...]
+<center><img src="https://user-images.githubusercontent.com/19167280/69792072-cdc8a480-1200-11ea-8cec-321fef618a12.png" style="width:100%;max-width:800px;margin-left:auto;margin-right:auto;display:block;"></center></p> <p>Then the Metadata Tree will be as below:
+<center><img src="https://user-images.githubusercontent.com/19167280/69792176-1718f400-1201-11ea-861a-1a83c07ca144.jpg" style="width:100%;max-width:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <p>As can be seen, <code>root</code> is considered as <code>LEVEL=0</code>. So when you enter statements such as:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB &gt; COUNT TIMESERIES root GROUP BY LEVEL=1
+IoTDB &gt; COUNT TIMESERIES root.ln GROUP BY LEVEL=2
+IoTDB &gt; COUNT TIMESERIES root.ln.wf01 GROUP BY LEVEL=2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>You will get following results:</p> <center><img src="https://user-images.githubusercontent.com/19167280/69792071-cb664a80-1200-11ea-8386-02dd12046c4b.png" style="width:100%;max-width:800px;margin-left:auto;margin-right:auto;display:block;"></center> <blockquote><p>Note: The path of timeseries is just a filter con [...]
+IoTDB &gt; COUNT NODES root.ln LEVEL=2
+IoTDB &gt; COUNT NODES root.ln.wf01 LEVEL=3
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>As for the above mentioned example and Metadata tree, you can get following results:</p> <center><img src="https://user-images.githubusercontent.com/19167280/69792060-c73a2d00-1200-11ea-8ec4-be7145fd6c8c.png" style="width:100%;max-width:800px;margin-left:auto;margin-right:auto;display:block;"></center> <blockquote [...]
+IoTDB&gt; delete timeseries root.ln.wf01.wt01.temperature, root.ln.wf02.wt02.hardware
+IoTDB&gt; delete timeseries root.ln.wf02.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="show-devices"><a href="#show-devices" class="header-anchor">#</a> Show Devices</h2> <p>Similar to <code>Show Timeseries</code>, IoTDB also supports two ways of viewing devices:</p> <ul><li><code>SHOW DEVICES</code> statement presents all devices information, which is equal to <code>SHOW DEVICES root</code>.</ [...]
+IoTDB&gt; show devices root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h1 id="ttl"><a href="#ttl" class="header-anchor">#</a> TTL</h1> <p>IoTDB supports storage-level TTL settings, which means it is able to delete old data automatically and periodically. The benefit of using TTL is that hopefully you can control the total disk space usage and prevent the machine from running out of disks. Moreover, the query performance ma [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>This example means that for data in <code>root.ln</code>, only that of the latest 1 hour will remain, the older one is removed or made invisible.</p> <h2 id="unset-ttl"><a href="#unset-ttl" class="header-anchor">#</a> Unset TTL</h2> <p>To unset TTL, we can use follwing SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; unset ttl to root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After unset TTL, all data will be accepted in <code>root.ln</code></p> <h2 id="flush"><a href="#flush" class="header-anchor">#</a> FLUSH</h2> <p>Persist all the data points in the memory table of the storage group to the disk, and seal the data file.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; FLUSH 
+IoTDB&gt; FLUSH root.ln
+IoTDB&gt; FLUSH root.sg1,root.sg2
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="merge"><a href="#merge" class="header-anchor">#</a> MERGE</h2> <p>Merge sequence and unsequence data. Currently IoTDB supports the following two types of SQL to manually trigger the merge process of data files:</p> <ul><li><code>MERGE</code> Only rewrite overlapped Chunks, the merge speed is quick, while ther [...]
+IoTDB&gt; FULL MERGE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="clear-cache"><a href="#clear-cache" class="header-anchor">#</a> CLEAR CACHE</h2> <p>Clear the cache of chunk, chunk metadata and timeseries metadata to release the memory footprint.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; CLEAR CACHE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1, &quot;v1&quot;)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>The above example code inserts the long integer timestamp and the value &quot;true&quot; into the timeseries <code>root.ln.wf02.wt02.status</code> and inserts the long integer timestamp and the value &quot;v1&quot; into the timeseries <code>root.ln.wf02.wt02.hardware</code>. When the execution is successful, cost time is shown to indicate that the dat [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After inserting the data, we can simply query the inserted data using the SELECT statement:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB &gt; select * from root.ln.wf02 where time &lt; 3
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below. From the query results, it can be seen that the insertion statements of single column and multi column data are performed correctly.</p> <center><img src="https://user-images.githubusercontent.com/13203019/51605021-c2ee1500-1f48-11e9-8f6b-ba9b48875a41.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></cen [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Because <code>root.ln.wf02.wt02. temperature</code> does not exist, the system will return the following ERROR information:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: The resultDataType or encoding or compression of the last node temperature is conflicting in the storage group root.ln
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the data type inserted by the user is inconsistent with the corresponding data type of the timeseries, for example, execute the following command:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB &gt; insert into root.ln.wf02.wt02(timestamp,hardware) values(1,100)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The system will return the following ERROR information:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>error: The TEXT data type should be covered by &quot; or '
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="select"><a href="#select" class="header-anchor">#</a> SELECT</h2> <h3 id="time-slice-query"><a href="#time-slice-query" class="header-anchor">#</a> Time Slice Query</h3> <p>This chapter mainly introduces the relevant examples of time slice query using IoTDB SELECT statements. Detailed SQL syntax and usage specifications can be found in <a href="/UserGuide/Master/Master/Master/Operati [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the temperature sensor (temperature). The SQL statement requires that all temperature sensor values before the time point of &quot;2017-11-01T00:08:00.000&quot; be selected.</p> <p>The execution result of this SQL statement is as follows:</p> <center><img src="https://user-images.githubu [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires that the status and temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The execution result of this SQL statement is [...]
+<center><img src="https://user-images.githubusercontent.com/23614968/61280328-40a12800-a7ea-11e9-85b9-3b8db67673a3.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="select-multiple-columns-of-data-for-the-same-device-according-to-multiple-time-intervals"><a href="#select-multiple-columns-of-data-for-the-same-device-according-to-multiple-time-intervals" class="header-anchor">#</a> Select Multiple Columns of Dat [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;; the statement specifies two different time intervals, namely &quot;2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000&quot; and &quot;2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000&quot;. The SQL statement requires that the values of se [...]
+<center><img src="https://user-images.githubusercontent.com/23614968/61280449-780fd480-a7ea-11e9-8ed0-70fa9dfda80f.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="choose-multiple-columns-of-data-for-different-devices-according-to-multiple-time-intervals"><a href="#choose-multiple-columns-of-data-for-different-devices-according-to-multiple-time-intervals" class="header-anchor">#</a> Choose Multiple Columns of [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected timeseries are &quot;the power supply status of ln group wf01 plant wt01 device&quot; and &quot;the hardware version of ln group wf02 plant wt02 device&quot;; the statement specifies two different time intervals, namely &quot;2017-11-01T00:05:00.000 to 2017-11-01T00:12:00.000&quot; and &quot;2017-11-01T16:35:00.000 to 2017-11-01T16:37:00.000&quot;. The SQL [...]
+<center><img src="https://user-images.githubusercontent.com/13203019/51577450-dcfe0800-1ef4-11e9-9399-4ba2b2b7fb73.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h3 id="down-frequency-aggregate-query"><a href="#down-frequency-aggregate-query" class="header-anchor">#</a> Down-Frequency Aggregate Query</h3> <p>This section mainly introduces the related examples of down-frequency aggregation query,
+using the <a href="/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html">GROUP BY clause</a>,
+which is used to partition the result set according to the user's given partitioning conditions and aggregate the partitioned result set.
+IoTDB supports partitioning result sets according to time interval and customized sliding step which should not be smaller than the time interval and defaults to equal the time interval if not set. And by default results are sorted by time in ascending order.
+You can also use the <a href="/UserGuide/Master/Master/Master/Client/Programming - Native API.html">Java JDBC</a> standard interface to execute related queries.</p> <p>The GROUP BY statement provides users with three types of specified parameters:</p> <ul><li>Parameter 1: The display window on the time axis</li> <li>Parameter 2: Time interval for dividing the time axis(should be positive)</li> <li>Parameter 3: Time sliding step (optional and should not be smaller than the time interval a [...]
+Among them, the parameter 3 is optional.
+Next we will give three typical examples of frequency reduction aggregation:
+parameter 3 not specified,
+parameter 3 specified,
+and value filtering conditions specified.</p> <center><img src="https://user-images.githubusercontent.com/16079446/69109512-f808bc80-0ab2-11ea-9e4d-b2b2f58fb474.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p><strong>Figure 5.2 The actual meanings of the three types of parameters</strong></p> <h4 id="down-frequency-aggregate-query-without-specifying-the-sliding-step-length"><a href="#down-frequency-aggregate-query-wi [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user does not specify the sliding step length, the GROUP BY statement will by default set the sliding step same as the time interval which is <code>1d</code>.</p> <p>The fist parameter of the GROUP BY statement above is the display window parameter, which determines the final display range is [2017-11-01T00:00:00, 2017-11-07T23:00:00).</p> <p>The second param [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user specifies the sliding step parameter as 1d, the GROUP BY statement will move the time interval <code>1 day</code> long instead of <code>3 hours</code> as default.</p> <p>That means we want to fetch all the data of 00:00:00 to 02:59:59 every day from 2017-11-01 to 2017-11-07.</p> <p>The first parameter of the GROUP BY statement above is the display window [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Since the user specifies the sliding step parameter as 1d, the GROUP BY statement will move the time interval <code>1 day</code> long instead of <code>3 hours</code> as default.</p> <p>The first parameter of the GROUP BY statement above is the display window parameter, which determines the final display range is [2017-11-01T00:00:00, 2017-11-07T23:00:00).</p> <p>The se [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In this sql, the time interval is left open and right close, so we won't include the value of timestamp 5 and instead we will include the value of timestamp 40.</p> <p>We will get the result like following:</p> <table><thead><tr><th>Time</th> <th>count(root.ln.wf01.wt01.status)</th></tr></thead> <tbody><tr><td>10</td> <td>1</td></tr> <tr><td>15</td> <td>2</td></tr> <tr><td>20</td> <td>3</ [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>using PREVIOUSUNTILLAST Fill way to fill the origin down-frequency aggregate query result.</p> <p>The path after SELECT in GROUP BY statement must be aggregate function, otherwise the system will give the corresponding error prompt, as shown below:</p> <center><img src="https://user-images.githubusercontent.com/16079446/69116099-0b715300-0ac6-11ea-8074-84e04797b8c7.png [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means: Query and return the last data points of timeseries prefixPath.path.</p> <p>The result will be returned in a three column table format.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>| Time | Path | Value |
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Example 1: get the last point of root.ln.wf01.wt01.speed:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; select last speed from root.ln.wf01.wt01
+
+| Time | Path                    | Value |
+| ---  | ----------------------- | ----- |
+|  5   | root.ln.wf01.wt01.speed | 100   |
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Example 2: get the last speed, status and temperature points of root.ln.wf01.wt01</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; select last speed, status, temperature from root.ln.wf01.wt01
+
+| Time | Path                         | Value |
+| ---  | ---------------------------- | ----- |
+|  5   | root.ln.wf01.wt01.speed      | 100   |
+|  7   | root.ln.wf01.wt01.status     | true  |
+|  9   | root.ln.wf01.wt01.temperature| 35.7  |
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h3 id="automated-fill"><a href="#automated-fill" class="header-anchor">#</a> Automated Fill</h3> <p>In the actual use of IoTDB, when doing the query operation of tim [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-4.</p> <center>**Table 3-4 Previous fill paramter list**
+<table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mandatory field</td></tr> <tr><td style="text-align:left;">T</td> <td style="text-align:left;">query timestamp (only one can be specified); mandatory field</td></tr> <tr><td style="text-align:left;">data_type</td> <td style="text-align:left; [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) for fill and display.</p> <p>On the <a href="https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt" tar [...]
+<center><img src="https://user-images.githubusercontent.com/13203019/51577616-67df0280-1ef5-11e9-9dff-2eb8342074eb.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <p>It is worth noting that if there is no value in the specified valid time range, the system will not fill the null value, as shown below:
+<center><img src="https://user-images.githubusercontent.com/13203019/51577679-9f4daf00-1ef5-11e9-8d8b-06a58de6efc1.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <ul><li>Linear Method</li></ul> <p>When the value of the queried timestamp is null, the value of the previous and the next timestamp is used to fill the blank. The formalized linear method is as follows:</p> <div class="language- line-numbers-mode"><pre cl [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Detailed descriptions of all parameters are given in Table 3-5.</p> <center>**Table 3-5 Linear fill paramter list**
+<table><thead><tr><th style="text-align:left;">Parameter name (case insensitive)</th> <th style="text-align:left;">Interpretation</th></tr></thead> <tbody><tr><td style="text-align:left;">path, prefixPath</td> <td style="text-align:left;">query path; mandatory field</td></tr> <tr><td style="text-align:left;">T</td> <td style="text-align:left;">query timestamp (only one can be specified); mandatory field</td></tr> <tr><td style="text-align:left;">data_type</td> <td style="text-align:left; [...]
+Otherwise, if there is no valid fill value in either range [T-before_range,T] or [T, T + after_range], linear fill method will return null.</p> <p>Here we give an example of filling null values using the linear method. The SQL statement is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>select temperature from root.sgcc.wf03.wt01 where time = 2017-11-01T16:37:50.000 fill(float [linear, 1m, 1m])
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>Because the timeseries root.sgcc.wf03.wt01.temperature is null at 2017-11-01T16:37:50.000, the system uses the previous timestamp 2017-11-01T16:37:00.000 (and the timestamp is in the [2017-11-01T16:36:50.000, 2017-11-01T16:37:50.000] time range) and its value 21.927326, the next timestamp 2017-11-01T16:38:00.000 (and the timestamp is in the [2017-11-01T16:37:50.000, 20 [...]
+<center><img src="https://user-images.githubusercontent.com/13203019/51577727-d4f29800-1ef5-11e9-8ff3-3bb519da3993.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="correspondence-between-data-type-and-fill-method"><a href="#correspondence-between-data-type-and-fill-method" class="header-anchor">#</a> Correspondence between Data Type and Fill Method</h4> <p>Data types and the supported fill methods are shown i [...]
+<table><thead><tr><th style="text-align:left;">Data Type</th> <th style="text-align:left;">Supported Fill Methods</th></tr></thead> <tbody><tr><td style="text-align:left;">boolean</td> <td style="text-align:left;">previous</td></tr> <tr><td style="text-align:left;">int32</td> <td style="text-align:left;">previous, linear</td></tr> <tr><td style="text-align:left;">int64</td> <td style="text-align:left;">previous, linear</td></tr> <tr><td style="text-align:left;">float</td> <td style="text [...]
+<table><thead><tr><th style="text-align:left;">Data Type</th> <th style="text-align:left;">Default Fill Methods and Parameters</th></tr></thead> <tbody><tr><td style="text-align:left;">boolean</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">int32</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">int64</td> <td style="text-align:left;">previous, 600000</td></tr> <tr><td style="text-align:left;">float [...]
+clause in order to make users have more control over query results.
+The use of LIMIT and SLIMIT clauses allows users to control the number of rows and columns of query results,
+and the use of OFFSET and SOFSET clauses allows users to set the starting position of the results for display.</p> <p>Note that the LIMIT and OFFSET are not supported in group by query.</p> <p>This chapter mainly introduces related examples of row and column control of query results. You can also use the <a href="/UserGuide/Master/Master/Master/Client/Programming - JDBC.html">Java JDBC</a> standard interface to execute queries.</p> <h4 id="row-control-over-query-results"><a href="#row-co [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires the first 10 rows of the query result be returned.</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577752-efc50c80-1ef5-11e9-9071-da2bbd8b9bdd.jpg" styl [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires rows 3 to 7 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577773-08352700-1ef6 [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is &quot;status&quot; and &quot;temperature&quot;. The SQL statement requires rows 3 to 4 of  the status and temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be returned (with the first row numbered as row 0).</p [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The SQL statement clause requires rows 3 to 7 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577796-1e42e780-1ef6-11e9-8987-be443000a77e.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:b [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <center><img src="https://user-images.githubusercontent.com/19167280/61517266-6e2fe080-aa39-11e9-8015-154a8e8ace30.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <h4 id="column-control-over-query-results"><a href="#column- [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the first column under this device, i.e., the power supply status. The SQL statement requires the status sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The result is shown below:</p> <center><img src [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the second column under this device, i.e., the temperature. The SQL statement requires the temperature sensor values between the time point of &quot;2017-11-01T00:05:00.000&quot; and &quot;2017-11-01T00:12:00.000&quot; be selected.</p> <p>The result is shown below:</p> <center><img src=" [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577840-44688780-1ef6-11e9-8abc-04ae78efa85b.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <ul><li>Example 4: SLIMIT clause combined with FILL clause</li></ul> <p>The SQL statement is:</p> <div class="language- line-num [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is the second column under this device, i.e., the temperature.</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51577855-4d595900-1ef6-11e9-8541-a4accd714b75.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;ma [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:
+<center><img src="https://user-images.githubusercontent.com/13203019/51577867-577b5780-1ef6-11e9-978c-e02c1294bcc5.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h4 id="row-and-column-control-over-query-results-2"><a href="#row-and-column-control-over-query-results-2" class="header-anchor">#</a> Row and Column Control over Query Results</h4> <p>In addition to row or column control over query results, IoTDB allows  [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>which means:</p> <p>The selected device is ln group wf01 plant wt01 device; the selected timeseries is columns 0 to 1 under this device (with the first column numbered as column 0). The SQL statement clause requires rows 100 to 109 of the query result be returned (with the first row numbered as row 0).</p> <p>The result is shown below:</p> <center><img src="https://user-images.githubuserc [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>For more syntax description, please read SQL REFERENCE.</p> <p>The 'disable align' indicaes that there are 3 columns for each time series in the resultset. For more syntax description, please read SQL REFERENCE.</p> <h4 id="error-handling"><a href="#error-handling" class="header-anchor">#</a> Error Handling</h4> <p>When the parameter N/SN of LIMIT/SLIMIT exceeds the size of the result set [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:</p> <center><img src="https://user-images.githubusercontent.com/13203019/51578187-ad9cca80-1ef7-11e9-897a-83e66a0f3d94.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter N/SN of LIMIT/SLIMIT clause exceeds the allowable maximum value (N/SN is of type int32), the system will p [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <center><img src="https://user-images.githubusercontent.com/19167280/61517469-e696a180-aa39-11e9-8ca5-42ea991d520e.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter N/SN of LIMIT/SLIMIT clause is not a p [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <center><img src="https://user-images.githubusercontent.com/19167280/61518094-68d39580-aa3b-11e9-993c-fc73c27540f7.png" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center> <p>When the parameter OFFSET of LIMIT clause exceeds the siz [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The result is shown below:
+<center><img src="https://user-images.githubusercontent.com/13203019/51578227-c60ce500-1ef7-11e9-98eb-175beb8d4086.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <p>When the parameter SOFFSET of SLIMIT clause is not smaller than the number of available timeseries, the system will prompt errors. For example, executing the following SQL statement:</p> <div class="language- line-numbers-mode"><pre class="language-text [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:
+<center><img src="https://user-images.githubusercontent.com/13203019/51578237-cd33f300-1ef7-11e9-9aef-2a717c56ab54.jpg" style="width:100%;max-width:800px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></center></p> <h2 id="delete"><a href="#delete" class="header-anchor">#</a> DELETE</h2> <p>Users can delete data that meet the deletion condition in the specified timeseries by using the <a href="/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html">DELET [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="delete-multiple-timeseries"><a href="#delete-multiple-timeseries" class="header-anchor">#</a> Delete Multiple Timeseries</h3> <p>When both the power supply status and hardware version of the ln group wf02 plant wt02 device before 2017-11-01 16:26:00 need to be deleted, <a href="/UserGuide/Master/Master/Master/Concept/Data Model and Terminology.html">the prefix path with broader meani [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>or</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>delete from root.ln.wf02.wt02.* where time &lt;= 2017-11-01T16:26:00;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>It should be noted that when the deleted path does not exist, IoTDB will give the corresponding error prompt as shown below:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB&gt; delete from root.ln.wf03.wt02.status where time &lt; now()
+Msg: TimeSeries does not exist and its data cannot be deleted
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+</html>
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diff --git a/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html b/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html
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index 0000000..692049e
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
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+  Wiki
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+  Foundation
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+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Operation Manual/SQL Reference.htm [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+CONFIGURATION, DESCRIBE, SLIMIT, LIMIT, UNLINK, OFFSET, SOFFSET, FILL, LINEAR, PREVIOUS, PREVIOUSUNTILLAST,
+METADATA, TIMESERIES, TIMESTAMP, PROPERTY, WITH, ROOT, DATATYPE, COMPRESSOR, STORAGE, GROUP, LABEL,INT32,
+INT64, FLOAT, DOUBLE, BOOLEAN, TEXT, ENCODING, PLAIN, PLAIN_DICTIONARY, RLE, DIFF, TS_2DIFF, GORILLA, REGULAR,
+BITMAP, ADD, UPSERT, VALUES, NOW, LINK, INDEX, USING, ON, DROP, MERGE, LIST, USER, PRIVILEGES, ROLE, ALL, OF,
+ALTER, PASSWORD, REVOKE, LOAD, WATERMARK_EMBEDDING, UNSET, TTL, FLUSH, TASK, INFO, DYNAMIC, PARAMETER, VERSION,
+REMOVE, MOVE, CHILD, PATHS, DEVICES, COUNT, NODES, LEVEL, MIN_TIME, MAX_TIME, MIN_VALUE, MAX_VALUE, AVG, FIRST_VALUE,
+SUM, LAST_VALUE, LAST, DISABLE, ALIGN, COMPRESSION, TIME, ATTRIBUTES, TAGS,RENAME, FULL, CLEAR, CACHE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h2 id="show-version"><a href="#show-version" class="header-anchor">#</a> Show Version</h2> <div class="language-sql line-number [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>+---------------+
+|        version|
++---------------+
+|0.10.0-SNAPSHOT|
++---------------+
+Total line number = 1
+It costs 0.417s
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="schema-statement"><a href="#schema-statement" class="header-anchor">#</a> Schema Statement</h2> <ul><li>Set Storage Group</li></ul> <div class="language-SQL l [...]
+Eg: IoTDB <span class="token operator">&gt;</span> <span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01
+Note: FullPath can <span class="token operator">not</span> include <span class="token punctuation">`</span><span class="token operator">*</span><span class="token punctuation">`</span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Delete Storage Group</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DELETE STORAGE GROUP &lt;FullPath&gt; [COMMA &lt;FullPath&gt;]*
+Eg: IoTDB &gt; DELETE STORAGE GROUP root.ln.wf01.wt01
+Eg: IoTDB &gt; DELETE STORAGE GROUP root.ln.wf01.wt01, root.ln.wf01.wt02
+Note: FullPath can not include `*`
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Create Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE TIMESERIES &lt;FullPath&gt; WITH &lt;AttributeClauses&gt;
+alias
+    : LR_BRACKET ID RR_BRACKET
+    ;
+attributeClauses
+    : DATATYPE OPERATOR_EQ dataType COMMA ENCODING OPERATOR_EQ encoding
+    (COMMA (COMPRESSOR | COMPRESSION) OPERATOR_EQ compressor=propertyValue)?
+    (COMMA property)*
+    tagClause
+    attributeClause
+    ;
+attributeClause
+    : (ATTRIBUTES LR_BRACKET property (COMMA property)* RR_BRACKET)?
+    ;
+tagClause
+    : (TAGS LR_BRACKET property (COMMA property)* RR_BRACKET)?
+    ;
+DataTypeValue: BOOLEAN | DOUBLE | FLOAT | INT32 | INT64 | TEXT
+EncodingValue: GORILLA | PLAIN | RLE | TS_2DIFF | REGULAR
+CompressorValue: UNCOMPRESSED | SNAPPY
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE
+Eg: CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE, COMPRESSOR=SNAPPY, MAX_POINT_NUMBER=3
+Eg: create timeseries root.turbine.d0.s0(temperature) with datatype=FLOAT, encoding=RLE, compression=SNAPPY tags(unit=f, description='turbine this is a test1') attributes(H_Alarm=100, M_Alarm=50)
+Note: Datatype and encoding type must be corresponding. Please check Chapter 3 Encoding Section for details.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Eg: IoTDB &gt; DELETE TIMESERIES root.ln.wf01.wt01.status
+Eg: IoTDB &gt; DELETE TIMESERIES root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature
+Eg: IoTDB &gt; DELETE TIMESERIES root.ln.wf01.wt01.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Alter Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER TIMESERIES fullPath alterClause
+alterClause
+    : RENAME beforeName=ID TO currentName=ID
+    | SET property (COMMA property)*
+    | DROP ID (COMMA ID)*
+    | ADD TAGS property (COMMA property)*
+    | ADD ATTRIBUTES property (COMMA property)*
+    | UPSERT tagClause attributeClause
+    ;
+attributeClause
+    : (ATTRIBUTES LR_BRACKET property (COMMA property)* RR_BRACKET)?
+    ;
+tagClause
+    : (TAGS LR_BRACKET property (COMMA property)* RR_BRACKET)?
+    ;
+Eg: ALTER timeseries root.turbine.d1.s1 RENAME tag1 TO newTag1
+Eg: ALTER timeseries root.turbine.d1.s1 SET tag1=newV1, attr1=newV1
+Eg: ALTER timeseries root.turbine.d1.s1 DROP tag1, tag2
+Eg: ALTER timeseries root.turbine.d1.s1 ADD TAGS tag3=v3, tag4=v4
+Eg: ALTER timeseries root.turbine.d1.s1 ADD ATTRIBUTES attr3=v3, attr4=v4
+EG: ALTER timeseries root.turbine.d1.s1 UPSERT TAGS(tag2=newV2, tag3=v3) ATTRIBUTES(attr3=v3, attr4=v4)
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Eg: IoTDB &gt; SHOW TIMESERIES
+Note: This statement can only be used in IoTDB Client. If you need to show all timeseries in JDBC, please use `DataBaseMetadata` interface.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Specific Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES &lt;Path&gt;
+Eg: IoTDB &gt; SHOW TIMESERIES root
+Eg: IoTDB &gt; SHOW TIMESERIES root.ln
+Eg: IoTDB &gt; SHOW TIMESERIES root.ln.*.*.status
+Eg: IoTDB &gt; SHOW TIMESERIES root.ln.wf01.wt01.status
+Note: The path can be prefix path, star path or timeseries path
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><ul><li>Show Specific Timeseries Statement with where clause</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW TIMESERIES prefi [...]
+showWhereClause
+    : WHERE (property | containsExpression)
+    ;
+containsExpression
+    : name=ID OPERATOR_CONTAINS value=propertyValue
+    ;
+
+Eg: show timeseries root.ln where unit='c'
+Eg: show timeseries root.ln where description contains 'test1'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><ul><li>Show Specific Timeseries Statement with whe [...]
+
+showWhereClause
+    : WHERE (property | containsExpression)
+    ;
+containsExpression
+    : name=ID OPERATOR_CONTAINS value=propertyValue
+    ;
+limitClause
+    : LIMIT INT offsetClause?
+    | offsetClause? LIMIT INT
+    ;
+    
+Eg: show timeseries root.ln where unit='c'
+Eg: show timeseries root.ln where description contains 'test1'
+Eg: show timeseries root.ln where unit='c' limit 10 offset 10
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Eg: IoTDB &gt; SHOW STORAGE GROUP
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Count Timeseries Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT TIMESERIES &lt;Path&gt;
+Eg: IoTDB &gt; COUNT TIMESERIES root
+Eg: IoTDB &gt; COUNT TIMESERIES root.ln
+Eg: IoTDB &gt; COUNT TIMESERIES root.ln.*.*.status
+Eg: IoTDB &gt; COUNT TIMESERIES root.ln.wf01.wt01.status
+Note: The path can be prefix path, star path or timeseries path.
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT TIMESERIES &lt;Path&gt; GROUP BY LEVEL=&lt;INTEGER&gt;
+Eg: IoTDB &gt; COUNT TIMESERIES root GROUP BY LEVEL=1
+Eg: IoTDB &gt; COUNT TIMESERIES root.ln GROUP BY LEVEL=2
+Eg: IoTDB &gt; COUNT TIMESERIES root.ln.wf01 GROUP BY LEVEL=3
+Note: The path can be prefix path or timeseries path.
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Count Nodes Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>COUNT NODES &lt;Path&gt; LEVEL=&lt;INTEGER&gt;
+Eg: IoTDB &gt; COUNT NODES root LEVEL=2
+Eg: IoTDB &gt; COUNT NODES root.ln LEVEL=2
+Eg: IoTDB &gt; COUNT NODES root.ln.wf01 LEVEL=3
+Note: The path can be prefix path or timeseries path.
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Show All Devices Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW Devices
+Eg: IoTDB &gt; SHOW Devices
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Specific Devices Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW DEVICES &lt;PrefixPath&gt;
+Eg: IoTDB &gt; SHOW DEVICES root
+Eg: IoTDB &gt; SHOW DEVICES root.ln
+Eg: IoTDB &gt; SHOW DEVICES root.*.wf01
+Note: The path can be prefix path or star path.
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Show Child Paths of Root Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS
+Eg: IoTDB &gt; SHOW CHILD PATHS
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show Child Paths Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW CHILD PATHS &lt;Path&gt;
+Eg: IoTDB &gt; SHOW CHILD PATHS root
+Eg: IoTDB &gt; SHOW CHILD PATHS root.ln
+Eg: IoTDB &gt; SHOW CHILD PATHS root.*.wf01
+Eg: IoTDB &gt; SHOW CHILD PATHS root.ln.wf*
+Note: The path can be prefix path or star path, the nodes can be in a &quot;prefix + star&quot; format. 
+Note: This statement can be used in IoTDB Client and JDBC.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="data-management-statement"><a href="#data-management-statement" class="header-anchor">#</a> Data Management Statement</h2> <ul><li>Insert Record Statement</li [...]
+Sensor : Identifier
+Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)
+Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,status) VALUES(NOW(), false)
+Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp,temperature) VALUES(2017-11-01T00:17:00.000+08:00,24.22028)
+Eg: IoTDB &gt; INSERT INTO root.ln.wf01.wt01(timestamp, status, temperature) VALUES (1509466680000, false, 20.060787);
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+Note: The order of Sensor and PointValue need one-to-one correspondence
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><ul><li>Update Record Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>UPDATE &lt;U [...]
+UpdateClause: &lt;prefixPath&gt;
+SetClause: &lt;SetExpression&gt; 
+SetExpression: &lt;Path&gt; EQUAL &lt;PointValue&gt;
+WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
+Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
+Expression : [NOT | !]? TIME PrecedenceEqualOperator &lt;TimeValue&gt;
+Eg: IoTDB &gt; UPDATE root.ln.wf01.wt01 SET temperature = 23 WHERE time &lt; NOW() and time &gt; 2017-11-1T00:15:00+08:00
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><ul><li>Delete Record Statement</li></ul> <div class="language- line-numbers-mode"><pre cl [...]
+Eg: DELETE FROM root.ln.wf01.wt01.temperature WHERE time &lt; 2017-11-1T00:05:00+08:00
+Eg: DELETE FROM root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature WHERE time &lt; NOW()
+Eg: DELETE FROM root.ln.wf01.wt01.* WHERE time &lt; 1509466140000
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Select Record Statement</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT &lt;SelectClause&gt; FROM &lt;FromClause&gt; [WHERE &lt;WhereClause&gt;]?
+SelectClause : &lt;SelectPath&gt; (COMMA &lt;SelectPath&gt;)*
+SelectPath : &lt;FUNCTION&gt; LPAREN &lt;Path&gt; RPAREN | &lt;Path&gt;
+FUNCTION : ‘COUNT’ , ‘MIN_TIME’, ‘MAX_TIME’, ‘MIN_VALUE’, ‘MAX_VALUE’
+FromClause : &lt;PrefixPath&gt; (COMMA &lt;PrefixPath&gt;)?
+WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
+Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
+Expression : [NOT | !]? &lt;TimeExpr&gt; | [NOT | !]? &lt;SensorExpr&gt;
+TimeExpr : TIME PrecedenceEqualOperator (&lt;TimeValue&gt; | &lt;RelativeTime&gt;)
+RelativeTimeDurationUnit = Integer ('Y'|'MO'|'W'|'D'|'H'|'M'|'S'|'MS'|'US'|'NS')
+RelativeTime : (now() | &lt;TimeValue&gt;) [(+|-) RelativeTimeDurationUnit]+
+SensorExpr : (&lt;Timeseries&gt; | &lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
+Eg: IoTDB &gt; SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature &lt; 24 and time &gt; 2017-11-1 0:13:00
+Eg. IoTDB &gt; SELECT * FROM root
+Eg. IoTDB &gt; SELECT * FROM root where time &gt; now() - 5m
+Eg. IoTDB &gt; SELECT * FROM root.ln.*.wf*
+Eg. IoTDB &gt; SELECT COUNT(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
+Eg. IoTDB &gt; SELECT MIN_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
+Eg. IoTDB &gt; SELECT MAX_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &gt; 24
+Eg. IoTDB &gt; SELECT MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &gt; 23
+Eg. IoTDB &gt; SELECT MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 25
+Note: the statement needs to satisfy this constraint: &lt;Path&gt;(SelectClause) + &lt;PrefixPath&gt;(FromClause) = &lt;Timeseries&gt;
+Note: If the &lt;SensorExpr&gt;(WhereClause) is started with &lt;Path&gt; and not with ROOT, the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SensorExpr) = &lt;Timeseries&gt;
+Note: In Version 0.7.0, if &lt;WhereClause&gt; includes `OR`, time filter can not be used.
+Note: There must be a space on both sides of the plus and minus operator appearing in the time expression 
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+SelectClause : &lt;Function&gt; [COMMA &lt; Function &gt;]*
+Function : &lt;AggregationFunction&gt; LPAREN &lt;Path&gt; RPAREN
+FromClause : &lt;PrefixPath&gt;
+WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
+Condition  : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
+Expression : [NOT | !]? &lt;TimeExpr&gt; | [NOT | !]? &lt;SensorExpr&gt;
+TimeExpr : TIME PrecedenceEqualOperator (&lt;TimeValue&gt; | &lt;RelativeTime&gt;)
+RelativeTimeDurationUnit = Integer ('Y'|'MO'|'W'|'D'|'H'|'M'|'S'|'MS'|'US'|'NS')
+RelativeTime : (now() | &lt;TimeValue&gt;) [(+|-) RelativeTimeDurationUnit]+
+SensorExpr : (&lt;Timeseries&gt; | &lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
+GroupByClause : LPAREN &lt;TimeInterval&gt; COMMA &lt;TimeUnit&gt; (COMMA &lt;TimeUnit&gt;)? RPAREN
+TimeInterval: LSBRACKET &lt;TimeValue&gt; COMMA &lt;TimeValue&gt; RRBRACKET | LRBRACKET &lt;TimeValue&gt; COMMA &lt;TimeValue&gt; RSBRACKET
+TimeUnit : Integer &lt;DurationUnit&gt;
+DurationUnit : &quot;ms&quot; | &quot;s&quot; | &quot;m&quot; | &quot;h&quot; | &quot;d&quot; | &quot;w&quot;
+Eg: SELECT COUNT(status), COUNT(temperature) FROM root.ln.wf01.wt01 where temperature &lt; 24 GROUP BY([1509465720000, 1509466380000), 5m)
+Eg: SELECT COUNT(status), COUNT(temperature) FROM root.ln.wf01.wt01 where temperature &lt; 24 GROUP BY((1509465720000, 1509466380000], 5m)
+Eg. SELECT COUNT (status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; 1509466500000 GROUP BY([1509465720000, 1509466380000), 5m, 10m)
+Eg. SELECT MIN_TIME(status), MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE temperature &lt; 25 GROUP BY ([1509466140000, 1509466380000), 3m, 5ms)
+Eg. SELECT MIN_TIME(status), MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE temperature &lt; 25 GROUP BY ((1509466140000, 1509466380000], 3m, 5ms)
+Note: the statement needs to satisfy this constraint: &lt;Path&gt;(SelectClause) + &lt;PrefixPath&gt;(FromClause) = &lt;Timeseries&gt;
+Note: If the &lt;SensorExpr&gt;(WhereClause) is started with &lt;Path&gt; and not with ROOT, the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SensorExpr) = &lt;Timeseries&gt;
+Note: &lt;TimeValue&gt;(TimeInterval) needs to be greater than 0
+Note: First &lt;TimeValue&gt;(TimeInterval) in needs to be smaller than second &lt;TimeValue&gt;(TimeInterval)
+Note: &lt;TimeUnit&gt; needs to be greater than 0
+Note: Third &lt;TimeUnit&gt; if set shouldn't be smaller than second &lt;TimeUnit&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+SelectClause : &lt;Path&gt; [COMMA &lt;Path&gt;]*
+FromClause : &lt; PrefixPath &gt; [COMMA &lt; PrefixPath &gt;]*
+WhereClause : &lt;WhereExpression&gt;
+WhereExpression : TIME EQUAL &lt;TimeValue&gt;
+FillClause : LPAREN &lt;TypeClause&gt; [COMMA &lt;TypeClause&gt;]* RPAREN
+TypeClause : &lt;Int32Clause&gt; | &lt;Int64Clause&gt; | &lt;FloatClause&gt; | &lt;DoubleClause&gt; | &lt;BoolClause&gt; | &lt;TextClause&gt;
+Int32Clause: INT32 LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+Int64Clause: INT64 LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+FloatClause: FLOAT LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+DoubleClause: DOUBLE LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+BoolClause: BOOLEAN LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+TextClause: TEXT LBRACKET (&lt;LinearClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+PreviousClause : PREVIOUS [COMMA &lt;ValidPreviousTime&gt;]?
+LinearClause : LINEAR [COMMA &lt;ValidPreviousTime&gt; COMMA &lt;ValidBehindTime&gt;]?
+ValidPreviousTime, ValidBehindTime: &lt;TimeUnit&gt;
+TimeUnit : Integer &lt;DurationUnit&gt;
+DurationUnit : &quot;ms&quot; | &quot;s&quot; | &quot;m&quot; | &quot;h&quot; | &quot;d&quot; | &quot;w&quot;
+Eg: SELECT temperature FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL(float[previous, 1m])
+Eg: SELECT temperature,status FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear, 1m, 1m], boolean[previous, 1m])
+Eg: SELECT temperature,status,hardware FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear, 1m, 1m], boolean[previous, 1m], text[previous])
+Eg: SELECT temperature,status,hardware FROM root.ln.wf01.wt01 WHERE time = 2017-11-01T16:37:50.000 FILL (float[linear], boolean[previous, 1m], text[previous])
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt;(FromClause) + &lt;Path&gt;(SelectClause) = &lt;Timeseries&gt;
+Note: Integer in &lt;TimeUnit&gt; needs to be greater than 0
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+GroupByClause : LPAREN &lt;TimeInterval&gt; COMMA &lt;TimeUnit&gt; RPAREN
+GROUPBYFillClause : LPAREN &lt;TypeClause&gt; RPAREN
+TypeClause : &lt;AllClause&gt; | &lt;Int32Clause&gt; | &lt;Int64Clause&gt; | &lt;FloatClause&gt; | &lt;DoubleClause&gt; | &lt;BoolClause&gt; | &lt;TextClause&gt; 
+AllClause: ALL LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+Int32Clause: INT32 LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+Int64Clause: INT64 LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+FloatClause: FLOAT LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+DoubleClause: DOUBLE LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+BoolClause: BOOLEAN LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+TextClause: TEXT LBRACKET (&lt;PreviousUntilLastClause&gt; | &lt;PreviousClause&gt;)  RBRACKET
+PreviousClause : PREVIOUS
+PreviousUntilLastClause : PREVIOUSUNTILLAST
+Eg: SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (float[PREVIOUS])
+Eg: SELECT last_value(temperature) FROM root.ln.wf01.wt01 GROUP BY((15, 100], 5m) FILL (float[PREVIOUS])
+Eg: SELECT last_value(power) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (int32[PREVIOUSUNTILLAST])
+Eg: SELECT last_value(power) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (int32[PREVIOUSUNTILLAST, 5m])
+Eg: SELECT last_value(temperature), last_value(power) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (ALL[PREVIOUS])
+Eg: SELECT last_value(temperature), last_value(power) FROM root.ln.wf01.wt01 GROUP BY([20, 100), 5m) FILL (ALL[PREVIOUS, 5m])
+Note: In group by fill, sliding step is not supported in group by clause
+Note: Now, only last_value aggregation function is supported in group by fill.
+Note: Linear fill is not supported in group by fill.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+SelectClause : [&lt;Path&gt; | Function]+
+Function : &lt;AggregationFunction&gt; LPAREN &lt;Path&gt; RPAREN
+FromClause : &lt;Path&gt;
+WhereClause : &lt;Condition&gt; [(AND | OR) &lt;Condition&gt;]*
+Condition : &lt;Expression&gt; [(AND | OR) &lt;Expression&gt;]*
+Expression: [NOT|!]?&lt;TimeExpr&gt; | [NOT|!]?&lt;SensorExpr&gt;
+TimeExpr : TIME PrecedenceEqualOperator (&lt;TimeValue&gt; | &lt;RelativeTime&gt;)
+RelativeTimeDurationUnit = Integer ('Y'|'MO'|'W'|'D'|'H'|'M'|'S'|'MS'|'US'|'NS')
+RelativeTime : (now() | &lt;TimeValue&gt;) [(+|-) RelativeTimeDurationUnit]+
+SensorExpr : (&lt;Timeseries&gt;|&lt;Path&gt;) PrecedenceEqualOperator &lt;PointValue&gt;
+LIMITClause : LIMIT &lt;N&gt; [OFFSETClause]?
+N : Integer
+OFFSETClause : OFFSET &lt;OFFSETValue&gt;
+OFFSETValue : Integer
+SLIMITClause : SLIMIT &lt;SN&gt; [SOFFSETClause]?
+SN : Integer
+SOFFSETClause : SOFFSET &lt;SOFFSETValue&gt;
+SOFFSETValue : Integer
+Eg: IoTDB &gt; SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature &lt; 24 and time &gt; 2017-11-1 0:13:00 LIMIT 3 OFFSET 2
+Eg. IoTDB &gt; SELECT COUNT (status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; 1509466500000 GROUP BY([1509465720000, 1509466380000], 5m) LIMIT 3
+Note: N, OFFSETValue, SN and SOFFSETValue must be greater than 0.
+Note: The order of &lt;LIMITClause&gt; and &lt;SLIMITClause&gt; does not affect the grammatical correctness.
+Note: &lt;FillClause&gt; can not use &lt;LIMITClause&gt; but not &lt;SLIMITClause&gt;.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+
+Rules:  
+1. Both uppercase and lowercase are ok.  
+Correct example: select * from root.sg1 align by device  
+Correct example: select * from root.sg1 ALIGN BY DEVICE  
+
+2. AlignbyDeviceClause can only be used at the end of a query statement.  
+Correct example: select * from root.sg1 where time &gt; 10 align by device  
+Wrong example: select * from root.sg1 align by device where time &gt; 10  
+
+3. The paths of the SELECT clause can only be single level. In other words, the paths of the SELECT clause can only be measurements or STAR, without DOT.
+Correct example: select s0,s1 from root.sg1.* align by device  
+Correct example: select s0,s1 from root.sg1.d0, root.sg1.d1 align by device  
+Correct example: select * from root.sg1.* align by device  
+Correct example: select * from root align by device  
+Correct example: select s0,s1,* from root.*.* align by device  
+Wrong example: select d0.s1, d0.s2, d1.s0 from root.sg1 align by device  
+Wrong example: select *.s0, *.s1 from root.* align by device  
+Wrong example: select *.*.* from root align by device
+
+4. The data types of the same measurement column should be the same across devices. 
+Note that when it comes to aggregated paths, the data type of the measurement column will reflect 
+the aggregation function rather than the original timeseries.
+
+Correct example: select s0 from root.sg1.d0,root.sg1.d1 align by device   
+root.sg1.d0.s0 and root.sg1.d1.s0 are both INT32.  
+
+Correct example: select count(s0) from root.sg1.d0,root.sg1.d1 align by device   
+count(root.sg1.d0.s0) and count(root.sg1.d1.s0) are both INT64.  
+
+Wrong example: select s0 from root.sg1.d0, root.sg2.d3 align by device  
+root.sg1.d0.s0 is INT32 while root.sg2.d3.s0 is FLOAT. 
+
+5. The display principle of the result table is that all the columns (no matther whther a column has has existing data) will be shown, with nonexistent cells being null. Besides, the select clause support const column (e.g., 'a', '123' etc..).  
+For example, &quot;select s0,s1,s2,'abc',s1,s2 from root.sg.d0, root.sg.d1, root.sg.d2 align by device&quot;. Suppose that the actual existing timeseries are as follows:  
+- root.sg.d0.s0
+- root.sg.d0.s1
+- root.sg.d1.s0
+
+Then you could expect a table like:  
+
+| Time | Device   | s0 | s1 |  s2  | 'abc' | s1 |  s2  |
+| ---  | ---      | ---| ---| null | 'abc' | ---| null |
+|  1   |root.sg.d0| 20 | 2.5| null | 'abc' | 2.5| null |
+|  2   |root.sg.d0| 23 | 3.1| null | 'abc' | 3.1| null |
+| ...  | ...      | ...| ...| null | 'abc' | ...| null |
+|  1   |root.sg.d1| 12 |null| null | 'abc' |null| null |
+|  2   |root.sg.d1| 19 |null| null | 'abc' |null| null |
+| ...  | ...      | ...| ...| null | 'abc' | ...| null |
+
+Note that the cells of measurement 's0' and device 'root.sg.d1' are all null.    
+
+6. The duplicated devices in the prefix paths are neglected.  
+For example, &quot;select s0,s1 from root.sg.d0,root.sg.d0,root.sg.d1 align by device&quot; is equal to &quot;select s0,s1 from root.sg.d0,root.sg.d1 align by device&quot;.  
+For example. &quot;select s0,s1 from root.sg.*,root.sg.d0 align by device&quot; is equal to &quot;select s0,s1 from root.sg.* align by device&quot;.  
+
+7. The duplicated measurements in the suffix paths are not neglected.  
+For example, &quot;select s0,s0,s1 from root.sg.* align by device&quot; is not equal to &quot;select s0,s1 from root.sg.* align by device&quot;.
+
+8. Both time predicates and value predicates are allowed in Where Clause. The paths of the value predicates can be the leaf node or full path started with ROOT. And wildcard is not allowed here. For example:
+- select * from root.sg.* where time = 1 align by device
+- select * from root.sg.* where s0 &lt; 100 align by device
+- select * from root.sg.* where time &lt; 20 AND s0 &gt; 50 align by device
+- select * from root.sg.d0 where root.sg.d0.s0 = 15 align by device
+
+9. More correct examples:
+   - select * from root.vehicle align by device
+   - select s0,s0,s1 from root.vehicle.* align by device
+   - select s0,s1 from root.vehicle.* limit 10 offset 1 align by device
+   - select * from root.vehicle slimit 10 soffset 2 align by device
+   - select * from root.vehicle where time &gt; 10 align by device
+   - select * from root.vehicle.* where time &lt; 10 AND s0 &gt; 25 align by device
+   - select * from root.vehicle where root.vehicle.d0.s0&gt;0 align by device
+   - select count(*) from root.vehicle align by device
+   - select sum(*) from root.vehicle GROUP BY (20ms,0,[2,50]) align by device
+   - select * from root.vehicle where time = 3 Fill(int32[previous, 5ms]) align by device
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+
+Rules:  
+1. Both uppercase and lowercase are ok.  
+Correct example: select * from root.sg1 disable align  
+Correct example: select * from root.sg1 DISABLE ALIGN  
+
+2. Disable Align Clause can only be used at the end of a query statement.  
+Correct example: select * from root.sg1 where time &gt; 10 disable align 
+Wrong example: select * from root.sg1 disable align where time &gt; 10 
+
+3. Disable Align Clause cannot be used with Aggregation, Fill Statements, Group By or Group By Device Statements, but can with Limit Statements.
+Correct example: select * from root.sg1 limit 3 offset 2 disable align
+Correct example: select * from root.sg1 slimit 3 soffset 2 disable align
+Wrong example: select count(s0),count(s1) from root.sg1.d1 disable align
+Wrong example: select * from root.vehicle where root.vehicle.d0.s0&gt;0 disable align
+Wrong example: select * from root.vehicle align by device disable align
+
+4. The display principle of the result table is that only when the column (or row) has existing data will the column (or row) be shown, with nonexistent cells being empty.
+
+You could expect a table like:
+| Time | root.sg.d0.s1 | Time | root.sg.d0.s2 | Time | root.sg.d1.s1 |
+| ---  | ---           | ---  | ---           | ---  | ---           |
+|  1   | 100           | 20   | 300           | 400  | 600           |
+|  2   | 300           | 40   | 800           | 700  | 900           |
+|  4   | 500           |      |               | 800  | 1000          |
+|      |               |      |               | 900  | 8000          |
+
+5. More correct examples: 
+   - select * from root.vehicle disable align
+   - select s0,s0,s1 from root.vehicle.* disable align
+   - select s0,s1 from root.vehicle.* limit 10 offset 1 disable align
+   - select * from root.vehicle slimit 10 soffset 2 disable align
+   - select * from root.vehicle where time &gt; 10 disable align
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+Select Clause : &lt;Path&gt; [COMMA &lt;Path&gt;]*
+FromClause : &lt; PrefixPath &gt; [COMMA &lt; PrefixPath &gt;]*
+
+Eg. SELECT LAST s1 FROM root.sg.d1
+Eg. SELECT LAST s1, s2 FROM root.sg.d1
+Eg. SELECT LAST s1 FROM root.sg.d1, root.sg.d2
+
+Rules:
+1. the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+
+2. The result set of last query will always be displayed in a fixed three column table format.
+For example, &quot;select last s1, s2 from root.sg.d1, root.sg.d2&quot;, the query result would be:
+
+| Time | Path         | Value |
+| ---  | ------------ | ----- |
+|  5   | root.sg.d1.s1| 100   |
+|  2   | root.sg.d1.s2| 400   |
+|  4   | root.sg.d2.s1| 250   |
+|  9   | root.sg.d2.s2| 600   |
+
+3. It is not supported to use &quot;diable align&quot; in LAST query. 
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+userName:=identifier  
+password:=string
+Eg: IoTDB &gt; CREATE USER thulab 'pwd';
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Delete User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP USER &lt;userName&gt;;  
+userName:=identifier
+Eg: IoTDB &gt; DROP USER xiaoming;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Create Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE ROLE &lt;roleName&gt;;  
+roleName:=identifie
+Eg: IoTDB &gt; CREATE ROLE admin;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Delete Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP ROLE &lt;roleName&gt;;  
+roleName:=identifier
+Eg: IoTDB &gt; DROP ROLE admin;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Grant User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER &lt;userName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
+userName:=identifier  
+nodeName:=identifier (DOT identifier)*  
+privileges:= string (COMMA string)*
+Eg: IoTDB &gt; GRANT USER tempuser PRIVILEGES 'DELETE_TIMESERIES' on root.ln;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Grant Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT ROLE &lt;roleName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
+privileges:= string (COMMA string)*  
+roleName:=identifier  
+nodeName:=identifier (DOT identifier)*
+Eg: IoTDB &gt; GRANT ROLE temprole PRIVILEGES 'DELETE_TIMESERIES' ON root.ln;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Grant User Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT &lt;roleName&gt; TO &lt;userName&gt;;  
+roleName:=identifier  
+userName:=identifier
+Eg: IoTDB &gt; GRANT temprole TO tempuser;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>Revoke User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER &lt;userName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;   
+privileges:= string (COMMA string)*  
+userName:=identifier  
+nodeName:=identifier (DOT identifier)*
+Eg: IoTDB &gt; REVOKE USER tempuser PRIVILEGES 'DELETE_TIMESERIES' on root.ln;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Revoke Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE ROLE &lt;roleName&gt; PRIVILEGES &lt;privileges&gt; ON &lt;nodeName&gt;;  
+privileges:= string (COMMA string)*  
+roleName:= identifier  
+nodeName:=identifier (DOT identifier)*
+Eg: IoTDB &gt; REVOKE ROLE temprole PRIVILEGES 'DELETE_TIMESERIES' ON root.ln;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>Revoke Role From User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE &lt;roleName&gt; FROM &lt;userName&gt;;
+roleName:=identifier
+userName:=identifier
+Eg: IoTDB &gt; REVOKE temproleFROM tempuser;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER
+Eg: IoTDB &gt; LIST USER
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE
+Eg: IoTDB &gt; LIST ROLE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES USER  &lt;username&gt; ON &lt;path&gt;;    
+username:=identifier    
+path=‘root’ (DOT identifier)*
+Eg: IoTDB &gt; LIST PRIVIEGES USER sgcc_wirte_user ON root.sgcc;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Privileges of Roles(On Specific Path)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES ROLE &lt;roleName&gt; ON &lt;path&gt;;    
+roleName:=identifier  
+path=‘root’ (DOT identifier)*
+Eg: IoTDB &gt; LIST PRIVIEGES ROLE wirte_role ON root.sgcc;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><ul><li>List Privileges of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER PRIVILEGES &lt;username&gt; ;   
+username:=identifier  
+Eg: IoTDB &gt; LIST USER PRIVIEGES tempuser;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>List Privileges of Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE PRIVILEGES &lt;roleName&gt;
+roleName:=identifier
+Eg: IoTDB &gt; LIST ROLE PRIVIEGES actor;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>List Roles of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL ROLE OF USER &lt;username&gt; ;  
+username:=identifier
+Eg: IoTDB &gt; LIST ALL ROLE OF USER tempuser;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>List Users of Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL USER OF ROLE &lt;roleName&gt;;
+roleName:=identifier
+Eg: IoTDB &gt; LIST ALL USER OF ROLE roleuser;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Alter Password</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER USER &lt;username&gt; SET PASSWORD &lt;password&gt;;
+roleName:=identifier
+password:=identifier
+Eg: IoTDB &gt; ALTER USER tempuser SET PASSWORD 'newpwd';
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="functions"><a href="#functions" class="header-anchor">#</a> Functions</h2> <ul><li>COUNT</li></ul> <p>The COUNT function returns the value number of timeseries(one or more) non-null values selected by the SELECT statement. The result is a signed 64-bit integer. If there a [...]
+Eg. SELECT COUNT(status), COUNT(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>FIRST_VALUE(Rename from <code>FIRST</code> at <code>V0.10.0</code>)</li></ul> <p>The FIRST_VALUE function returns the first point value of the choosen timeseries(one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT FIRST_VALUE (Path) (COMMA FIRST_VALUE (Path))* FR [...]
+Eg. SELECT FIRST_VALUE (status), FIRST_VALUE (temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>LAST_VALUE</li></ul> <p>The LAST_VALUE function returns the last point value of the choosen timeseries(one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT LAST_VALUE (Path) (COMMA LAST_VALUE (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereClause&gt;]?
+Eg. SELECT LAST_VALUE (status), LAST_VALUE (temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>MAX_TIME</li></ul> <p>The MAX_TIME function returns the maximum timestamp of the choosen timeseries(one or more). The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MAX_TIME (Path) (COMMA MAX_TIME (Path))* FROM &lt;FromCl [...]
+Eg. SELECT MAX_TIME(status), MAX_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>MAX_VALUE</li></ul> <p>The MAX_VALUE function returns the maximum value(lexicographically ordered) of the choosen timeseries (one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MAX_VALUE (Path) (COMMA MAX_VALUE (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereCl [...]
+Eg. SELECT MAX_VALUE(status), MAX_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>AVG(Rename from <code>MEAN</code> at <code>V0.9.0</code>)</li></ul> <p>The AVG function returns the arithmetic mean value of the choosen timeseries over a specified period of time. The timeseries must be int32, int64, float, double type, and the other types are not to be calculated. The result is a double typ [...]
+Eg. SELECT AVG (temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>MIN_TIME</li></ul> <p>The MIN_TIME function returns the minimum timestamp of the choosen timeseries(one or more). The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MIN_TIME (Path) (COMMA MIN_TIME (Path))*FROM &lt;FromCla [...]
+Eg. SELECT MIN_TIME(status), MIN_TIME(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>MIN_VALUE</li></ul> <p>The MIN_VALUE function returns the minimum value(lexicographically ordered) of the choosen timeseries (one or more).</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>SELECT MIN_VALUE (Path) (COMMA MIN_VALUE (Path))* FROM &lt;FromClause&gt; [WHERE &lt;WhereCl [...]
+Eg. SELECT MIN_VALUE(status),MIN_VALUE(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>NOW</li></ul> <p>The NOW function returns the current timestamp. This function can be used in the data operation statement to represent time. The result is a signed 64-bit integer, greater than 0.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>NOW()
+Eg. INSERT INTO root.ln.wf01.wt01(timestamp,status) VALUES(NOW(), false) 
+Eg. UPDATE root.ln.wf01.wt01 SET temperature = 23 WHERE time &lt; NOW()
+Eg. DELETE FROM root.ln.wf01.wt01.status, root.ln.wf01.wt01.temperature WHERE time &lt; NOW()
+Eg. SELECT * FROM root WHERE time &lt; NOW()
+Eg. SELECT COUNT(temperature) FROM root.ln.wf01.wt01 WHERE time &lt; NOW()
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>SUM</li></ul> <p>The SUM function returns the sum of the choosen timeseries (one or more) over a specified period of time. The timeseries must be int32, int64, float, double type, and the other ty [...]
+Eg. SELECT SUM(temperature) FROM root.ln.wf01.wt01 WHERE root.ln.wf01.wt01.temperature &lt; 24
+Note: the statement needs to satisfy this constraint: &lt;PrefixPath&gt; + &lt;Path&gt; = &lt;Timeseries&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="ttl"><a href="#ttl" class="header-anchor">#</a> TTL</h2> <p>IoTDB supports storage-level TTL settings, which means it is able to delete old data
+automatically and periodically. The benefit of using TTL is that hopefully you can control the
+total disk space usage and prevent the machine from running out of disks. Moreover, the query
+performance may downgrade as the total number of files goes up and the memory usage also increase
+as there are more files. Timely removing such files helps to keep at a high query performance
+level and reduce memory usage. The TTL operations in IoTDB are supported by the following three
+statements:</p> <ul><li>Set TTL</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SET TTL TO StorageGroupName TTLTime
+Eg. SET TTL TO root.group1 3600000
+This example means that for data in root.group1, only that of the latest 1 hour will remain, the
+older one is removed or made invisible. 
+Note: TTLTime should be millisecond timestamp. When TTL is set, insertions that fall
+out of TTL will be rejected.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><ul><li>Unset TTL</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>UNSET TTL TO StorageGroupName
+Eg. UNSET TTL TO root.group1
+This example means that data of all time will be accepted in this group. 
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>Show TTL</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>SHOW ALL TTL
+SHOW TTL ON StorageGroupNames
+Eg.1 SHOW ALL TTL
+This example will show TTLs of all storage groups.
+Eg.2 SHOW TTL ON root.group1,root.group2,root.group3
+This example will show TTLs of the specified 3 groups.
+Notice: storage groups without TTL will show a &quot;null&quot;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p>Notice: When you set TTL to some storage groups, data out of the TTL will be made invisible
+immediately, but because the data files may contain both out-dated and living data or the data files may
+be being used by queries, the physical removal of data is stale. If you increase or unset TTL
+just after setting it previously, some previously invisible data may be seen again, but the
+physically removed one is lost forever. In other words, different from delete statement, the
+atomicity of data deletion is not guaranteed for efficiency concerns. So we recommend that you do
+not change the TTL once it is set or at least do not reset it frequently, unless you are determined
+to suffer the unpredictability.</p> <h1 id="reference"><a href="#reference" class="header-anchor">#</a> Reference</h1> <h2 id="keywords-2"><a href="#keywords-2" class="header-anchor">#</a> Keywords</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>Keywords for IoTDB (case insensitive):
+ADD, BY, COMPRESSOR, CREATE, DATATYPE, DELETE, DESCRIBE, DROP, ENCODING, EXIT, FROM, GRANT, GROUP, LABLE, LINK, INDEX, INSERT, INTO, LOAD, MAX_POINT_NUMBER, MERGE, METADATA, ON, ORDER, PASSWORD, PRIVILEGES, PROPERTY, QUIT, REVOKE, ROLE, ROOT, SELECT, SET, SHOW, STORAGE, TIME, TIMESERIES, TIMESTAMP, TO, UNLINK, UPDATE, USER, USING, VALUE, VALUES, WHERE, WITH
+
+Keywords with special meanings (case insensitive):
+* Data Types: BOOLEAN, DOUBLE, FLOAT, INT32, INT64, TEXT 
+* Encoding Methods: BITMAP, DFT, GORILLA, PLAIN, RLE, TS_2DIFF 
+* Compression Methods: UNCOMPRESSED, SNAPPY, GZIP, LZ0, ZDT, PAA, PLA
+* Logical symbol: AND, &amp;, &amp;&amp;, OR, | , ||, NOT, !, TRUE, FALSE
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h2 id="identifiers"><a href="#identifiers" class="header-anchor">#</a> Identifiers</h2> <div class="language- line-numbers-mode [...]
+DOT := '.';
+COLON : ':' ;
+COMMA := ',' ;
+SEMICOLON := ';' ;
+LPAREN := '(' ;
+RPAREN := ')' ;
+LBRACKET := '[';
+RBRACKET := ']';
+EQUAL := '=' | '==';
+NOTEQUAL := '&lt;&gt;' | '!=';
+LESSTHANOREQUALTO := '&lt;=';
+LESSTHAN := '&lt;';
+GREATERTHANOREQUALTO := '&gt;=';
+GREATERTHAN := '&gt;';
+DIVIDE := '/';
+PLUS := '+';
+MINUS := '-';
+STAR := '*';
+Letter := 'a'..'z' | 'A'..'Z';
+HexDigit := 'a'..'f' | 'A'..'F';
+Digit := '0'..'9';
+Boolean := TRUE | FALSE | 0 | 1 (case insensitive)
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number [...]
+eg. 'abc'
+eg. 'abc'
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Integer := ('-' | '+')? Digit+;
+eg. 123
+eg. -222
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Float := ('-' | '+')? Digit+ DOT Digit+ (('e' | 'E') ('-' | '+')? Digit+)?;
+eg. 3.1415
+eg. 1.2E10
+eg. -1.33
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Identifier := (Letter | '_') (Letter | Digit | '_' | MINUS)*;
+eg. a123
+eg. _abc123
+
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="literals"><a href="#literals" class="header-anchor">#</a> Literals</h2> <div class="language- line-numbers-mode"><pre class="language-text"><code>PointValue : Integer | Float | StringLiteral | Boolean
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>TimeValue : Integer | DateTime | ISO8601 | NOW()
+Note: Integer means timestamp type.
+
+DateTime : 
+eg. 2016-11-16T16:22:33+08:00
+eg. 2016-11-16 16:22:33+08:00
+eg. 2016-11-16T16:22:33.000+08:00
+eg. 2016-11-16 16:22:33.000+08:00
+Note: DateTime Type can support several types, see Chapter 3 Datetime section for details.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>PrecedenceEqualO [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Timeseries : ROOT [DOT &lt;LayerName&gt;]* DOT &lt;SensorName&gt;
+LayerName : Identifier
+SensorName : Identifier
+eg. root.ln.wf01.wt01.status
+eg. root.sgcc.wf03.wt01.temperature
+Note: Timeseries must be start with `root`(case insensitive) and end with sensor name.
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>PrefixPath : ROOT (DOT &lt;LayerName&gt;)*
+LayerName : Identifier | STAR
+eg. root.sgcc
+eg. root.*
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><div class="language- line-numbers-mode"><pre class="language-text"><code>Path: (ROOT | &lt;LayerName&gt;) (DOT &lt;LayerName&gt;)* 
+LayerName: Identifier | STAR
+eg. root.ln.wf01.wt01.status
+eg. root.*.wf01.wt01.status
+eg. root.ln.wf01.wt01.*
+eg. *.wt01.*
+eg. *
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/124.49254dfb.js" defer></script>
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+</html>
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/125.27dfd203.js" defer></script>
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+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Overview/Features.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Mast [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Overview/Scenario.html b/UserGuide/Master/Master/Master/Overview/Scenario.html
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index 0000000..e59ecbb
--- /dev/null
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta charset="utf-8">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
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+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Overview/Scenario.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Mast [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/127.fc9db198.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Overview/What is IoTDB.html b/UserGuide/Master/Master/Master/Overview/What is IoTDB.html
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index 0000000..d70a1ae
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Overview/What is IoTDB.html	
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
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+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
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+  Sponsorship
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external">
+  Thanks
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external">
+  Current Events
+  <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Master/Master/Overview/What is IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Master/Master/Overview/What is IoTDB.html" class="nav-li [...]
+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
+  Foundation
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external">
+  License
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external">
+  Security
+  <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external">
+  Sponsorship
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+  Thanks
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/Server/Cluster Setup.html b/UserGuide/Master/Master/Master/Server/Cluster Setup.html
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index 0000000..91d29f7
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Server/Cluster Setup.html	
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
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+    <meta name="generator" content="VuePress 1.5.0">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
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+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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diff --git a/UserGuide/Master/Master/Master/Server/Config Manual.html b/UserGuide/Master/Master/Master/Server/Config Manual.html
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+In the parameters described below, these parameters whose way of <code>Effective</code> is <code>trigger</code> support hot modification.</p> <p>Trigger way: The client sends the command <code>load configuration</code> to the IoTDB server. See Chapter 4 for the usage of the client.</p> <h2 id="iotdb-environment-configuration-file"><a href="#iotdb-environment-configuration-file" class="header-anchor">#</a> IoTDB Environment Configuration File</h2> <p>The environment configuration file is  [...]
+For performance tuning, you may want to collect the GC info.</p> <p>To enable GC log, just add a paramenter &quot;printgc&quot; when you start the server.</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin/start-server.sh printgc
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-server.bat printgc
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC log is stored at <code>IOTDB_HOME/logs/gc.log</code>.
+There will be at most 10 gc.log.* files and each one can reach to 10MB.</p></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Server/Docker Image.html b/UserGuide/Master/Master/Master/Server/Docker Image.html
new file mode 100644
index 0000000..85164f6
--- /dev/null
+++ b/UserGuide/Master/Master/Master/Server/Docker Image.html	
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+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ git clone https://github.com/apache/incubator-iotdb
+$ cd incubator-iotdb
+$ cd docker
+$ docker build -t iotdb:base .
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>Once the docker image has been built locally (the tag is iotdb:base in this example), you are almost done!</p> <ol start="2"><li>create docker volume for data files and logs:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker volume cr [...]
+$ docker volume create mylogs
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ol start="3"><li>run a docker container:</li></ol> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>$ docker run -p <span class="token number">6667</span>:6667 -v mydata:/iotdb/data -v mylogs:/iotdb/logs -d iotdb:base /iotdb/bin/start-server.sh
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If success, you can run <code>docker ps</code>, and get something like the following:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
+2a68b6944cb5        iotdb:base          &quot;/iotdb/bin/start-se…&quot;   4 minutes ago       Up 5 minutes        0.0.0.0:6667-&gt;6667/tcp              laughing_meitner
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>You can use the above command to get the container ID:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker container ls
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the ID is &lt;C_ID&gt;.</p> <p>And get the docker IP by:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker inspect --format='{{.NetworkSettings.IPAddress}}' &lt;C_ID&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>suppose the IP is &lt;C_IP&gt;.</p> <ol start="4"><li>If you just want to have a try by using iotdb-cli, you can:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker exec -it /bin/bash  &lt;C_ID&gt;
+$ (now you have enter the container): /cli/sbin/start-client.sh -h localhost -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Or,  run a new docker container as the client:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ docker run -it iotdb:base /cli/sbin/start-client.sh -h &lt;C_IP&gt; -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Or,  if you have a iotdb-cli locally (e.g., you have compiled the source code by <code>mvn package</code>), and suppose your work_dir is cli/bin, then you can just run:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>$ start-client.sh -h localhost -p 6667 -u root -pw root
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ol start="5"><li>If you want to write codes to insert data and query data, please add the following dependence:</li></ol> <div class="language-xml line-numbers-mode"><pre class="language-xml"><code>        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
+            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.iotdb<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
+            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>iotdb-jdbc<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
+            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>0.8.0<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
+        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>Some examples about how to use IoTDB with IoTDB-JDBC can be found at: https://github.com/apache/incubator-iotdb/tree/master/example/jdbc/src/main/java/org/apache/iotdb</p> <ol start="6"><li>Now enjoy it!</li></ol></div> <!----> <p style="t [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Server/Download.html b/UserGuide/Master/Master/Master/Server/Download.html
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+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+<a href="/Download/">Here</a></p> <h2 id="installation-from-source-code"><a href="#installation-from-source-code" class="header-anchor">#</a> Installation from source code</h2> <p>You can get the released source code from https://iotdb.apache.org/Download/, or from the git repository https://github.com/apache/incubator-iotdb/tree/master
+You can download the source code from:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>git clone https://github.com/apache/incubator-iotdb.git
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Under the root path of incubator-iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>&gt; mvn clean package -DskipTests
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Then the binary version (including both server and client) can be found at <strong>distribution/target/apache-iotdb-{project.version}-incubating-bin.zip</strong></p> <blockquote><p>NOTE: Directories &quot;service-rpc/target/generated-sources/thrift&quot; and &quot;server/target/generated-sources/antlr4&quot; need to be added to sources roots to avoid compilation errors in IDE.</p></blockq [...]
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB server will be at the folder &quot;server/target/iotdb-server-{project.version}&quot;.</p> <h2 id="installation-by-docker-dockerfile"><a href="#installation-by-docker-dockerfile" class="header-anchor">#</a> Installation by Docker (Dockerfile)</h2> <p>You can build and run a IoTDB docker image by following the guide of <a href="/UserGuide/Master/Master/Master/Server/ [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/Server/Single Node Setup.html b/UserGuide/Master/Master/Master/Server/Single Node Setup.html
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index 0000000..5403fca
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+++ b/UserGuide/Master/Master/Master/Server/Single Node Setup.html	
@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta charset="utf-8">
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+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+&gt; sbin/start-server.sh -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+
+# Windows
+&gt; sbin\start-server.bat -c &lt;conf_path&gt; -rpc_port &lt;rpc_port&gt;
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><ul><li>&quot;-c&quot; and &quot;-rpc_port&quot; are optional.</li> <li>option &quot;-c&quot; specifies the system configuration file directory.</li> <li>option &quot;-rpc_port&quot; specifies the rpc port.</li> <li>if both option specified,  [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
+    <script src="/assets/js/app.03ed1fed.js" defer></script><script src="/assets/js/3.69383c2d.js" defer></script><script src="/assets/js/133.5e8dda56.js" defer></script>
+  </body>
+</html>
\ No newline at end of file
diff --git a/UserGuide/Master/Master/Master/System Tools/JMX Tool.html b/UserGuide/Master/Master/Master/System Tools/JMX Tool.html
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+++ b/UserGuide/Master/Master/Master/System Tools/JMX Tool.html	
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html lang="en-US">
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+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+View <code>$IOTDB_HOME/conf/jmx.password</code>, and use default user or add new users here.
+If new users are added, remember to edit <code>$IOTDB_HOME/conf/jmx.access</code> and add new users' access</p></li> <li><p>IoTDB is not LOCAL
+Edit <code>$IOTDB_HOME/conf/iotdb-env.sh</code>, and modify config below:</p></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>JMX_LOCAL=&quot;false&quot;
+JMX_IP=&quot;the_real_iotdb_server_ip&quot;  # Write the actual IoTDB IP address
+</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>View <code>$IOTDB_HOME/conf/jmx.password</code>, and use default user or add new users here.
+If new users are added, remember to edit <code>$IOTDB_HOME/conf/jmx.access</code> and add new users' access</p> <p>Step 3: Start IoTDB-server.</p> <p>Step 4: Use jvisualvm</p> <ol><li><p>Make sure jdk 8 is installed. For versions later than jdk 8, you need to <a href="https://visualvm.github.io/download.html" target="_blank" rel="noopener noreferrer">download visualvm<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" cl [...]
+<img src="https://user-images.githubusercontent.com/19167280/81464569-725e0200-91f5-11ea-9ff9-49745f4c9ef2.png" style="width:100%;max-width:300px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p></li> <li><p>Fill in information and log in as below. Remember to check &quot;Do not require SSL connection&quot;.
+Here is an example:
+Connection:192.168.130.15:31999
+Username:iotdb
+Password:passw!d
+<img src="https://user-images.githubusercontent.com/19167280/81464639-ed271d00-91f5-11ea-91a0-b4fe9cb8204e.png" style="width:100%;max-width:300px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"></p></li></ol></div> <!----> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br>
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
+  </p></main></div><div class="global-ui"></div></div>
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+  </body>
+</html>
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diff --git a/UserGuide/Master/Master/Master/System Tools/Load External Tsfile.html b/UserGuide/Master/Master/Master/System Tools/Load External Tsfile.html
new file mode 100644
index 0000000..caec5ff
--- /dev/null
+++ b/UserGuide/Master/Master/Master/System Tools/Load External Tsfile.html	
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<html lang="en-US">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title> </title>
+    <meta name="generator" content="VuePress 1.5.0">
+    <link rel="icon" href="/favicon.ico">
+    <meta name="description" content=" ">
+    <meta name="Description" content="Apache IoTDB: Time Series Database for IoT">
+    <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据">
+    <meta name="baidu-site-verification" content="wfKETzB3OT">
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+    <link rel="stylesheet" href="/assets/css/0.styles.d68a0be5.css">
+  </head>
+  <body>
+    <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0  [...]
+  Wiki
+  <!----></a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class= [...]
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+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav></div></header> <div class="sidebar-m [...]
+  Wiki
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+  Foundation
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+  Current Events
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+    gitHub
+    <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></nav>  <ul class="sidebar-links"><li><sect [...]
+If the <code>.resource</code> file corresponding to the file exists, it will be loaded into the data directory and engine of the Apache IoTDB. Otherwise, the corresponding <code>.resource</code> file will be regenerated from the tsfile file.</p> <p>Examples:</p> <ul><li><code>load &quot;/Users/Desktop/data/1575028885956-101-0.tsfile&quot;</code></li> <li><code>load &quot;/Users/Desktop/data/1575028885956-101-0.tsfile&quot; false</code></li> <li><code>load &quot;/Users/Desktop/data/157502 [...]
+If the <code>.resource</code> file corresponding to the file  exists, they will be loaded into the data directory and engine of the Apache IoTDB. Otherwise, the corresponding<code>.resource</code> files will be regenerated from the tsfile sfile.</p> <p>Examples:</p> <ul><li><code>load &quot;/Users/Desktop/data&quot;</code></li> <li><code>load &quot;/Users/Desktop/data&quot; false</code></li> <li><code>load &quot;/Users/Desktop/data&quot; true</code></li> <li><code>load &quot;/Users/Deskt [...]
+     Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align:justify!important;paddingLeft:10px;paddingRight:10px;">
+      Disclaimer: Apache IoTDB (incubating) is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it d [...]
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