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Posted to commits@iotdb.apache.org by ma...@apache.org on 2022/11/25 09:56:23 UTC
[iotdb] branch update-compaction-docs created (now eac667f36c)
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at eac667f36c update compaction docs
This branch includes the following new commits:
new eac667f36c update compaction docs
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[iotdb] 01/01: update compaction docs
Posted by ma...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
marklau99 pushed a commit to branch update-compaction-docs
in repository https://gitbox.apache.org/repos/asf/iotdb.git
commit eac667f36c2c3d4ca27e627154d21632adeadf45
Author: LiuXuxin <li...@outlook.com>
AuthorDate: Fri Nov 25 17:56:10 2022 +0800
update compaction docs
---
docs/UserGuide/Reference/Common-Config-Manual.md | 88 +++++++++++++++++-----
.../zh/UserGuide/Reference/Common-Config-Manual.md | 83 ++++++++++++++++++--
2 files changed, 148 insertions(+), 23 deletions(-)
diff --git a/docs/UserGuide/Reference/Common-Config-Manual.md b/docs/UserGuide/Reference/Common-Config-Manual.md
index 6b67107746..91180449a6 100644
--- a/docs/UserGuide/Reference/Common-Config-Manual.md
+++ b/docs/UserGuide/Reference/Common-Config-Manual.md
@@ -489,23 +489,59 @@ IoTDB common files for ConfigNode and DataNode are under `conf`.
|Default| true |
|Effective|After restart system|
-* cross\_compaction\_strategy
-
-|Name| cross\_compaction\_strategy |
-|:---:|:---|
-|Description| strategy of cross space compaction |
-|Type| String |
-|Default| rewrite\_compaction|
-|Effective|After restart system|
-
-* inner\_compaction\_strategy
-
-|Name| inner\_compaction\_strategy |
-|:---:|:---|
-|Description| strategy of inner space compaction |
-|Type| String |
-|Default| size\_tiered\_compaction |
-|Effective|After restart system|
+* cross\_selector
+
+|Name| cross\_selector |
+|:---:|:-------------------------------------------------|
+|Description| the task selector type of cross space compaction |
+|Type| String |
+|Default| rewrite |
+|Effective| After restart system |
+
+* cross\_performer
+
+|Name| cross\_performer |
+|:---:|:--------------------------------------------------|
+|Description| the task performer type of cross space compaction |
+|Type| String |
+|Default| read\_point |
+|Effective| After restart system |
+
+* inner\_seq\_selector
+
+|Name| inner\_seq\_selector |
+|:---:|:----------------------------------------------------------|
+|Description| the task selector type of inner sequence space compaction |
+|Type| String |
+|Default| size\_tiered |
+|Effective| After restart system |
+
+* inner\_seq\_performer
+
+|Name| inner\_seq\_peformer |
+|:---:|:-----------------------------------------------------------|
+|Description| the task performer type of inner sequence space compaction |
+|Type| String |
+|Default| read\_chunk |
+|Effective| After restart system |
+
+* inner\_unseq\_selector
+
+|Name| inner\_unseq\_selector |
+|:---:|:------------------------------------------------------------|
+|Description| the task selector type of inner unsequence space compaction |
+|Type| String |
+|Default| size\_tiered |
+|Effective| After restart system |
+
+* inner\_unseq\_performer
+
+|Name| inner\_unseq\_peformer |
+|:---:|:-------------------------------------------------------------|
+|Description| the task performer type of inner unsequence space compaction |
+|Type| String |
+|Default| read\_point |
+|Effective| After restart system |
* compaction\_priority
@@ -579,6 +615,15 @@ IoTDB common files for ConfigNode and DataNode are under `conf`.
|Default| 1000 |
|Effective|After restart system|
+* max\_cross\_compaction\_file\_size
+
+|Name| max\_cross\_compaction\_candidate\_file\_size |
+|:---:|:----------------------------------------------------------|
+|Description| The max size of files encounter in cross space compaction |
+|Type| Int64 |
+|Default| 5368709120 |
+|Effective| After restart system |
+
* cross\_compaction\_file\_selection\_time\_budget
|Name| cross\_compaction\_file\_selection\_time\_budget |
@@ -633,6 +678,15 @@ IoTDB common files for ConfigNode and DataNode are under `conf`.
|Default| 16 |
|Effective|After restart system|
+* sub\_compaction\_thread\_count
+
+|Name| sub\_compaction\_thread\_count |
+|:---:|:--------------------------------------------------------------------------|
+|Description| the number of sub-compaction threads to accelerate cross space compaction |
+|Type| Int32 |
+|Default| 4 |
+|Effective| After restart system |
+
### Write Ahead Log Configuration
### TsFile Configurations
diff --git a/docs/zh/UserGuide/Reference/Common-Config-Manual.md b/docs/zh/UserGuide/Reference/Common-Config-Manual.md
index f7f66d8d84..968733530d 100644
--- a/docs/zh/UserGuide/Reference/Common-Config-Manual.md
+++ b/docs/zh/UserGuide/Reference/Common-Config-Manual.md
@@ -103,18 +103,17 @@ IoTDB ConfigNode 和 DataNode 的通用配置参数位于 `conf` 目录下。
|默认值| GREEDY |
|改后生效方式|重启服务生效|
-
### 集群管理
* time\_partition\_interval
|名字| time\_partition\_interval |
|:--:|:----------------------------------------|
-|描述| Database 默认的数据时间分区间隔 |
-|类型| Long |
-|单位| 毫秒 |
-|默认值| 604800000 |
-|改后生效方式| 仅允许在第一次启动服务前修改 |
+|描述| Database 默认的数据时间分区间隔 |
+|类型| Long |
+|单位| 毫秒 |
+|默认值| 604800000 |
+|改后生效方式| 仅允许在第一次启动服务前修改 |
* heartbeat\_interval\_in\_ms
@@ -705,6 +704,60 @@ IoTDB ConfigNode 和 DataNode 的通用配置参数位于 `conf` 目录下。
|默认值| true |
|改后生效方式|重启服务生效|
+* cross\_selector
+
+|名字| cross\_selector |
+|:---:|:----------------|
+|描述| 跨空间合并任务选择器的类型 |
+|类型| String |
+|默认值| rewrite |
+|改后生效方式| 重启服务生效 |
+
+* cross\_performer
+
+|名字| cross\_performer |
+|:---:|:-----------------|
+|描述| 跨空间合并任务执行器的类型 |
+|类型| String |
+|默认值| read\_point |
+|改后生效方式| 重启服务生效 |
+
+* inner\_seq\_selector
+
+|名字| inner\_seq\_selector |
+|:---:|:---------------------|
+|描述| 顺序空间内合并任务选择器的类型 |
+|类型| String |
+|默认值| size\_tiered |
+|改后生效方式| 重启服务生效 |
+
+* inner\_seq\_performer
+
+|名字| inner\_seq\_performer |
+|:---:|:----------------------|
+|描述| 顺序空间内合并任务执行器的类型 |
+|类型| String |
+|默认值| read\_chunk |
+|改后生效方式| 重启服务生效 |
+
+* inner\_unseq\_selector
+
+|名字| inner\_unseq\_selector |
+|:---:|:-----------------------|
+|描述| 乱序空间内合并任务选择器的类型 |
+|类型| String |
+|默认值| size\_tiered |
+|改后生效方式| 重启服务生效 |
+
+* inner\_unseq\_performer
+
+|名字| inner\_unseq\_performer |
+|:---:|:------------------------|
+|描述| 乱序空间内合并任务执行器的类型 |
+|类型| String |
+|默认值| read\_point |
+|改后生效方式| 重启服务生效 |
+
* compaction\_priority
|名字| compaction\_priority |
@@ -777,6 +830,15 @@ IoTDB ConfigNode 和 DataNode 的通用配置参数位于 `conf` 目录下。
|默认值| 1000|
|改后生效方式|重启服务生效|
+* max\_cross\_compaction\_candidate\_file\_size
+
+|名字| max\_cross\_compaction\_candidate\_file\_size |
+|:---:|:----------------------------------------------|
+|描述| 跨空间合并中一次合并最多参与的文件总大小 |
+|类型| Int64 |
+|默认值| 5368709120 |
+|改后生效方式| 重启服务生效 |
+
* cross\_compaction\_file\_selection\_time\_budget
|名字| cross\_compaction\_file\_selection\_time\_budget |
@@ -840,6 +902,15 @@ IoTDB ConfigNode 和 DataNode 的通用配置参数位于 `conf` 目录下。
|默认值| 60000 |
|改后生效方式| 重启服务生效|
+* sub\_compaction\_thread\_count
+
+|名字| sub\_compaction\_thread\_count |
+|:---:|:--|
+|描述| 每个跨空间合并任务的子任务线程数 |
+|类型| Int32 |
+|默认值| 4 |
+|改后生效方式| 重启服务生效|
+
### 写前日志配置
* wal\_buffer\_size