[incubator-iotdb] 02/03: add unseq doc

[qi...@apache.org]

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

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

commit 9e4acf84086a8bcf7314daa9dc2f3b3e5e899d6f
Author: qiaojialin <64...@qq.com>
AuthorDate: Sat Jun 22 16:54:27 2019 +0800

    add unseq doc
---
 iotdb/iotdb/conf/iotdb-engine.properties                | 17 +++++++++++++++--
 .../main/java/org/apache/iotdb/db/conf/IoTDBConfig.java |  1 +
 .../iotdb/db/engine/filenodeV2/FileNodeProcessorV2.java |  2 +-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/iotdb/iotdb/conf/iotdb-engine.properties b/iotdb/iotdb/conf/iotdb-engine.properties
index 6752691..5f04f08 100644
--- a/iotdb/iotdb/conf/iotdb-engine.properties
+++ b/iotdb/iotdb/conf/iotdb-engine.properties
@@ -61,8 +61,8 @@ force_wal_period_in_ms=10
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # data_dir=/path/iotdb/data/data
 
-# tsfile dir
-# For this property, multiple directories should be set, and all directories should be separated by ",". All TsFiles will be allocated separately in all these directories. Moreover, setting absolute directories is suggested.
+# sequence tsfile dir
+# For this property, multiple directories can be set, and all directories should be separated by ",". All TsFiles will be allocated separately in all these directories. Moreover, setting absolute directories is suggested.
 # If this property is unset, system will save the TsFiles in the default relative path directory under the data_dir folder(i.e., %IOTDB_HOME%/data/data/settled).
 # If some are absolute, system will save the data in exact location they point to.
 # If some are relative, system will save the data in the relative path directory they indicate under the data_dir folder.
@@ -74,6 +74,19 @@ force_wal_period_in_ms=10
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # tsfile_dir=/path/iotdb/data/data,data/data
 
+# unSequence tsfile dir
+# For this property, multiple directories can be set, and all directories should be separated by ",". All Overflow Files will be allocated separately in all these directories. Moreover, setting absolute directories is suggested.
+# If this property is unset, system will save the Overflow Files in the default relative path directory under the data_dir folder(i.e., %IOTDB_HOME%/data/data/overflow).
+# If some are absolute, system will save the data in exact location they point to.
+# If some are relative, system will save the data in the relative path directory they indicate under the data_dir folder.
+# Note: If some are assigned an empty string(i.e.,zero-length), they will be handled as a relative path.
+# For windows platform
+# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is absolute. Otherwise, it is relative.
+# overflow_dir=D:\\iotdb\\data\\unseq,overflow2
+# For Linux platform
+# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
+# overflow_dir=/path/iotdb/data/unseq1,overflow2
+
 # mult_dir_strategy
 # The strategy is used to choose a directory from tsfile_dir for the system to store a new tsfile.
 # System provides three strategies to choose from, or user can create his own strategy by extending org.apache.iotdb.db.conf.directories.strategy.DirectoryStrategy.
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
index a2ce8ae..991b5ae 100644
--- a/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java
@@ -34,6 +34,7 @@ public class IoTDBConfig {
   public static final String DEFAULT_DATA_DIR = "data";
   public static final String DEFAULT_SYS_DIR = "system";
   public static final String DEFAULT_TSFILE_DIR = "settled";
+  public static final String DEFAULT_OVERFLOW_DIR = "unorder";
   public static final String MULT_DIR_STRATEGY_PREFIX =
       "org.apache.iotdb.db.conf.directories.strategy.";
   public static final String DEFAULT_MULT_DIR_STRATEGY = "MaxDiskUsableSpaceFirstStrategy";
diff --git a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/FileNodeProcessorV2.java b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/FileNodeProcessorV2.java
index 2ae30c5..12fa2d9 100755
--- a/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/FileNodeProcessorV2.java
+++ b/iotdb/src/main/java/org/apache/iotdb/db/engine/filenodeV2/FileNodeProcessorV2.java
@@ -135,7 +135,7 @@ public class FileNodeProcessorV2 {
       }
     }
 
-    Collections.sort(tsfiles, );
+//    Collections.sort(tsfiles, );
 
     for (String tsfile: tsfiles) {
       TsFileResourceV2 tsFileResource = new TsFileResourceV2(new File(tsfile));