[ANNOUNCE] Apache IoTDB 0.13.4 released

[刘 旭鑫 <li...@outlook.com>]

The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.13.4.

Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud.

This is a bug-fixed version of 0.13.4, which includes a number of improvements and bug fixes:

## Improvements

* [IOTDB-4230] Modify the start script for flexible startup: add iotdb.in.sh, add pid file
* [IOTDB-4776] Change default storage group to root.__system in iotdb metric reporter
* [IOTDB-4946] Show Deadband Process Info
* [IOTDB-5025] Fix tag of metric in 0.13
* [IOTDB-5128] Perfect the usage of `-p pid`, `-v version` feature for start-server.sh
* [IOTDB-5232] Add Schema Memory Usage metric monitor


## Bug Fix

* [IOTDB-3624] Fix meet error when inserting data in SQL without timestamp
* [IOTDB-4716] Fix the statistics of disk size in linux system in 0.13
* [IOTDB-4738] Fix TsFile damaged after writing empty value pages
* [IOTDB-4781] Fix the NOT LIKE value filter does not work
* [IOTDB-4842] Fix String number inserting bug
* [IOTDB-4938] Fix data are lost when meets exception `storage group not ready`
* [IOTDB-4967] Fix slidingTimeWindow stops when encounter an empty window
* [IOTDB-5136] NPE when use a null as username in session
* [IOTDB-5184] Fix CompressionType ArrayIndexOutOfBounds
* [IOTDB-5157] Fix "Invalid ID for ZoneOffset, invalid format:"
* [IOTDB-5206] Fix when target file is deleted in Compaction exception handler and recover
* [IOTDB-5225] Fix setting chunkPointNumLowerBound in IoTDBDescriptor
* [IOTDB-5236] DeleteData Python API cannot work
* [IOTDB-5253] Fix chunkMetadata mem metric
* [IOTDB-5266] Fix seq file may be lost when selecting cross compaction task
* [IOTDB-5281] Fix selecting deleted files in compaction
* [IOTDB-5286] Fix target files should not be select to participate in other compaction task
* [IOTDB-5307] Fix failed to get TsFile input of file: NoSuchFileException
* [IOTDB-5311] Fix RunTimeException and NoSuchFile Exception when selecting files causing compaction scheduled thread to get stuck
* [IOTDB-5346] Fix log error in MemtableFlushTask when recovering


The full release note is available at:
https://raw.githubusercontent.com/apache/iotdb/v0.13.4/RELEASE_NOTES.md

The release is available for download at:
http://iotdb.apache.org/Download

Maven artifacts for JDBC driver, session SDK, TsFile SDK, Spark-connector,Hadoop-connector, Hive-connector and Flink-connector can be found at:
https://search.maven.org/search?q=g:org.apache.iotdb


Regards,
The Apache IoTDB team