未验证 提交 00304bb8 编写于 作者: W wade zhang 提交者: GitHub

Merge pull request #21933 from taosdata/TD-25092

udpate buffer default value from 96 to 256 by charles
...@@ -43,7 +43,7 @@ database_option: { ...@@ -43,7 +43,7 @@ database_option: {
## Parameters ## Parameters
- BUFFER: specifies the size (in MB) of the write buffer for each vnode. Enter a value between 3 and 16384. The default value is 96. - BUFFER: specifies the size (in MB) of the write buffer for each vnode. Enter a value between 3 and 16384. The default value is 256.
- CACHEMODEL: specifies how the latest data in subtables is stored in the cache. The default value is none. - CACHEMODEL: specifies how the latest data in subtables is stored in the cache. The default value is none.
- none: The latest data is not cached. - none: The latest data is not cached.
- last_row: The last row of each subtable is cached. This option significantly improves the performance of the LAST_ROW function. - last_row: The last row of each subtable is cached. This option significantly improves the performance of the LAST_ROW function.
......
...@@ -42,7 +42,7 @@ database_option: { ...@@ -42,7 +42,7 @@ database_option: {
### 参数说明 ### 参数说明
- BUFFER: 一个 VNODE 写入内存池大小,单位为 MB,默认为 96,最小为 3,最大为 16384。 - BUFFER: 一个 VNODE 写入内存池大小,单位为 MB,默认为 256,最小为 3,最大为 16384。
- CACHEMODEL:表示是否在内存中缓存子表的最近数据。默认为 none。 - CACHEMODEL:表示是否在内存中缓存子表的最近数据。默认为 none。
- none:表示不缓存。 - none:表示不缓存。
- last_row:表示缓存子表最近一行数据。这将显著改善 LAST_ROW 函数的性能表现。 - last_row:表示缓存子表最近一行数据。这将显著改善 LAST_ROW 函数的性能表现。
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册