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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2022/05/26 13:52:52 UTC

[GitHub] [iotdb] HTHou commented on a diff in pull request #5965: Update parameter description

HTHou commented on code in PR #5965:
URL: https://github.com/apache/iotdb/pull/5965#discussion_r882694386


##########
docs/UserGuide/Reference/Config-Manual.md:
##########
@@ -376,7 +376,7 @@ The permission definitions are in ${IOTDB\_CONF}/conf/jmx.access.
 
 |Name| avg\_series\_point\_number\_threshold |
 |:---:|:---|
-|Description| max average number of point of each series in memtable|
+|Description| Max average number of point of each series in memtable, reaching the trigger flush.This parameter mainly affects the query performance. If the query load is biased towards long-term historical data of a small number of sequences, it is recommended to increase it. If the query load is biased towards the recent data of multiple sequences, it is recommended to decrease it, but not less than 10000. |
 |Type|Int32|
 |Default| 10000 |

Review Comment:
   ```suggestion
   |Default| 100000 |
   ```



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docs/zh/UserGuide/Reference/Config-Manual.md:
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@@ -535,7 +535,7 @@ Server,客户端的使用方式详见 [SQL 命令行终端(CLI)](https://i
 
 |名字| avg\_series\_point\_number\_threshold |
 |:---:|:---|
-|描述| 内存中平均每个时间序列点数最大值,达到触发 flush |
+|描述| 内存中平均每个时间序列点数最大值,达到触发 flush,此参数主要影响查询性能,如果查询负载偏向查少量序列的长期历史数据,建议调大,如果查询负载偏向多序列的近期数据,建议调小,但不小于 10000 |
 |类型| Int32 |
 |默认值| 10000 |

Review Comment:
   ```suggestion
   |默认值| 100000 |
   ```



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