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v8.5.5: add config for graceful shutdown #21173

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Merged
ti-chi-bot merged 3 commits into from
Jan 13, 2026
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v8.5.5: add config for graceful shutdown #21173

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7f21458
add config for graceful shutdown
hujiatao0 Dec 8, 2025
42011f1
some update
hujiatao0 Dec 15, 2025
04c2cf0
Update tikv-configuration-file.md
qiancai Jan 7, 2026
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6 changes: 6 additions & 0 deletions tikv-configuration-file.md
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Expand Up @@ -199,6 +199,12 @@ TiKV 配置文件比命令行参数支持更多的选项。你可以在 [etc/con
+ 默认值：3s
+ 最小值：1s

### `graceful-shutdown-timeout`

+ graceful shutdown的超时时长，达到该时间后未完成转移的leader会跳过转移，节点直接进入停机流程。该值为0s时表示不启用graceful shutdown功能。
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@qiancai qiancai Dec 15, 2025

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Suggested change
+ graceful shutdown的超时时长，达到该时间后未完成转移的leader会跳过转移，节点直接进入停机流程。该值为0s时表示不启用graceful shutdown功能。
+ TiKV 优雅关闭 (graceful shutdown) 的超时时长。
+ 当该值大于 `0s` 时，如果关闭 TiKV 节点，TiKV 在该超时时间内会尽量将其上的 leader 副本转移到其他 TiKV 节点，然后再关闭。若达到该超时时间后仍有 leader 未完成转移，TiKV 将跳过剩余 leader 的转移，直接进入关闭流程。
+ 当该值为 `0s` 时，表示不启用 TiKV 的 graceful shutdown 功能。

+ 默认值：20s
+ 最小值：0s

### `concurrent-send-snap-limit`

+ 同时发送 snapshot 的最大个数。
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