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Added capacity-mb and admission-max-result-mb parameter value types #5182

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Merged
merged 2 commits into from
Jan 4, 2021
Merged

Added capacity-mb and admission-max-result-mb parameter value types #5182

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Added capacity-mb and `admission-max-result-mb` parameter value types
glkappe Dec 28, 2020
bdd3ae6
Merge branch 'master' into patch-56
TomShawn Jan 4, 2021
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4 changes: 3 additions & 1 deletion tidb-configuration-file.md
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Expand Up @@ -487,14 +487,16 @@ prepare 语句的 plan cache 设置。
### `capacity-mb`

+ 缓存的总数据量大小。当缓存空间满时，旧缓存条目将被逐出。
+ 默认值：1000
+ 默认值：1000.0
+ 单位：MB
+ 类型：Float

### `admission-max-result-mb`

+ 指定能被缓存的最大单个下推计算结果集。若单个下推计算在 Coprocessor 上返回的结果集小于该参数指定的大小，则结果集不会被缓存。调大该值可以缓存更多种类下推请求，但也将导致缓存空间更容易被占满。注意，每个下推计算结果集大小一般都会小于 Region 大小，因此将该值设置得远超过 Region 大小没有意义。
+ 默认值：10.0
+ 单位：MB
+ 类型：Float

### `admission-min-process-ms`

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