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tikv: document periodic full compaction #15749

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Jan 10, 2024
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tikv: document periodic full compaction #15749

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aabf5f1
tikv: document periodic full compaction
Oreoxmt Dec 14, 2023
3c37aa0
add experimental note and refine wording
Oreoxmt Dec 18, 2023
e6ffa00
Apply suggestions from code review
Oreoxmt Dec 19, 2023
a257550
add dynamic config
Oreoxmt Dec 19, 2023
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10 changes: 10 additions & 0 deletions tikv-configuration-file.md
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Expand Up @@ -1030,6 +1030,16 @@ raftstore 相关的配置项。
+ 默认值：0.1
+ 最小值：0

### `periodic-full-compact-start-times` <span class="version-mark">从 v7.6.0 版本开始引入</span>

+ 设置启动周期性全量数据整理 (Compaction) 的时间。你可以在数组中指定多个时间计划。例如，`periodic-full-compact-start-times = ["03:00", "23:00"]` 表示 TiKV 基于 TiKV 节点的本地时区，在凌晨 3 点和晚上 11 点进行全量数据整理。
+ 默认值：`[]`，表示默认情况下禁用周期性全量数据整理。

### `periodic-full-compact-start-max-cpu` <span class="version-mark">从 v7.6.0 版本开始引入</span>

+ 控制 TiKV 执行周期性全量数据整理时的 CPU 使用率阈值。
+ 默认值：`0.1`，表示全量数据整理进程的最大 CPU 使用率为 10%。

## coprocessor

Coprocessor 相关的配置项。
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