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v8.5.4: tiflash: add a config named graceful_shutdown_wait_timeout (#21734) #22016

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Merged
merged 9 commits into from
Nov 10, 2025
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v8.5.4: tiflash: add a config named graceful_shutdown_wait_timeout (#21734) #22016

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add graceful-shutdown-wait-timeout
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Update tiflash/tiflash-configuration.md
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7 changes: 7 additions & 0 deletions tiflash/tiflash-configuration.md
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Expand Up @@ -241,6 +241,13 @@ The following configuration items only take effect for the TiFlash disaggregated
- This configuration item only takes effect for the TiFlash disaggregated storage and compute architecture mode. For details, see [TiFlash Disaggregated Storage and Compute Architecture and S3 Support](/tiflash/tiflash-disaggregated-and-s3.md).
- Value options: `"tiflash_write"`, `"tiflash_compute"`

##### `graceful_wait_shutdown_timeout` <span class="version-mark">New in v8.5.4 and v9.0.0</span>

- Controls the maximum wait time when shutting down a TiFlash server. During this period, TiFlash continues running unfinished MPP tasks but does not accept new ones. If all running MPP tasks finish before this timeout, TiFlash shuts down immediately; otherwise, it is forcibly shut down after the wait time expires.
- Default value: `600`
- Unit: seconds
- While the TiFlash server is waiting to shut down (in the grace period), TiDB will not send new MPP tasks to it.

#### flash.proxy

##### `addr`
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