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v8.5.4: tiflash: add a config named graceful_shutdown_wait_timeout (#20894) #21048

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Merged
merged 6 commits into from
Nov 10, 2025
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v8.5.4: tiflash: add a config named graceful_shutdown_wait_timeout (#20894) #21048

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9b00431
add graceful-shutdown-wait-timeout
gengliqi Sep 4, 2025
d32a841
Update tiflash/tiflash-configuration.md
gengliqi Sep 11, 2025
78dccf0
Update tiflash/tiflash-configuration.md
gengliqi Sep 11, 2025
724ec59
Update tiflash/tiflash-configuration.md
gengliqi Sep 16, 2025
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Update tiflash/tiflash-configuration.md
qiancai Nov 4, 2025
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Update tiflash/tiflash-configuration.md
qiancai Nov 10, 2025
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7 changes: 7 additions & 0 deletions tiflash/tiflash-configuration.md
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Expand Up @@ -239,6 +239,13 @@ I/O 限流功能相关配置。
- 该配置只针对存算分离模式生效，详细请参考 [TiFlash 存算分离架构与 S3 支持](/tiflash/tiflash-disaggregated-and-s3.md)。
- 可选值：`"tiflash_write"`、`"tiflash_compute"`

##### `graceful_wait_shutdown_timeout` <span class="version-mark">从 v8.5.4 开始引入</span>

- 控制在关闭 TiFlash 服务器时的最长等待时间。在此期间，TiFlash 允许尚未完成的 MPP 任务继续执行，但不再接收新的 MPP 任务。如果所有正在运行的 MPP 任务都在此超时时间之前完成，TiFlash 将立即关闭；否则将在等待时间结束后强制关闭。
- 默认值：`600`
- 单位：秒
- 在等待 TiFlash 服务器关闭期间，TiDB 不会再向该 TiFlash 服务器发送新的 MPP 任务。

#### flash.proxy

##### `addr`
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