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tiflash: add a config named <code>graceful_shutdown_wait_timeout</code>

needs-cherry-pick-release-8.5Should cherry pick this PR to release-8.5 branch.Should cherry pick this PR to release-8.5 branch.

size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.3This PR/issue applies to TiDB v9.0-beta.3.This PR/issue applies to TiDB v9.0-beta.3.

Status: Open (in progress).

pingcap/docs-cnnumber 20894

#20894 In pingcap/docs-cn;

· gengliqi opened on Sep 4, 2025

ticdc: Remove unnecessary quotation marks from curl command

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needs-cherry-pick-release-6.5Should cherry pick this PR to release-6.5 branch.Should cherry pick this PR to release-6.5 branch.

needs-cherry-pick-release-7.1Should cherry pick this PR to release-7.1 branch.Should cherry pick this PR to release-7.1 branch.

needs-cherry-pick-release-7.5Should cherry pick this PR to release-7.5 branch.Should cherry pick this PR to release-7.5 branch.

needs-cherry-pick-release-8.1Should cherry pick this PR to release-8.1 branch.Should cherry pick this PR to release-8.1 branch.

needs-cherry-pick-release-8.5Should cherry pick this PR to release-8.5 branch.Should cherry pick this PR to release-8.5 branch.

size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

Status: Open (in progress).

pingcap/docs-cnnumber 20893

#20893 In pingcap/docs-cn;

· qiancai opened on Sep 4, 2025

config,variable: add new SEM configuration document

size/LDenotes a PR that changes 100-499 lines, ignoring generated files.Denotes a PR that changes 100-499 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

v9.0-beta.3This PR/issue applies to TiDB v9.0-beta.3.This PR/issue applies to TiDB v9.0-beta.3.

Status: Open (in progress).

pingcap/docs-cnnumber 20751

#20751 In pingcap/docs-cn;

· YangKeao opened on Aug 11, 2025

Optimizing TiDB Settings for Maximum Performance

needs-cherry-pick-release-8.1Should cherry pick this PR to release-8.1 branch.Should cherry pick this PR to release-8.1 branch.

needs-cherry-pick-release-8.5Should cherry pick this PR to release-8.5 branch.Should cherry pick this PR to release-8.5 branch.

size/XXLDenotes a PR that changes 1000+ lines, ignoring generated files.Denotes a PR that changes 1000+ lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

Status: Open (in progress).

pingcap/docs-cnnumber 20720

#20720 In pingcap/docs-cn;

· hfxsd opened on Aug 4, 2025

include storage engines in slow query logs and statements summary

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

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size/SDenotes a PR that changes 10-29 lines, ignoring generated files.Denotes a PR that changes 10-29 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.3This PR/issue applies to TiDB v9.0-beta.3.This PR/issue applies to TiDB v9.0-beta.3.

Status: Open (in progress).

pingcap/docs-cnnumber 20676

#20676 In pingcap/docs-cn;

· Oreoxmt opened on Jul 18, 2025

disable switch to import mode for global sort, and add tikv-worker-url config

needs-1-more-lgtmIndicates a PR needs 1 more LGTM.Indicates a PR needs 1 more LGTM.

size/SDenotes a PR that changes 10-29 lines, ignoring generated files.Denotes a PR that changes 10-29 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

type/compatibility-or-feature-changeThis PR involves compatibility changes or feature behavior changes.This PR involves compatibility changes or feature behavior changes.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 20675

#20675 In pingcap/docs-cn;

· Oreoxmt opened on Jul 18, 2025

Update SHOW BUILTINS output

for-releaseThis PR relates to a TiDB release but does not have a tracked feature.This PR relates to a TiDB release but does not have a tracked feature.

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size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 20578

#20578 In pingcap/docs-cn;

· qiancai opened on Jun 30, 2025

tidb: mark the concurrently-init-stats config as deprecated

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size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

type/compatibility-or-feature-changeThis PR involves compatibility changes or feature behavior changes.This PR involves compatibility changes or feature behavior changes.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 20278

#20278 In pingcap/docs-cn;

· Oreoxmt opened on Apr 28, 2025

Update description of <code>MAX_WRITE_SPEED</code>

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translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

Status: Draft (not ready).

pingcap/docs-cnnumber 20258

#20258 In pingcap/docs-cn;

· joechenrh opened on Apr 27, 2025

sql: Add support for '(' literal ')' as column default

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

size/SDenotes a PR that changes 10-29 lines, ignoring generated files.Denotes a PR that changes 10-29 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 20190

#20190 In pingcap/docs-cn;

· hfxsd opened on Apr 14, 2025

Add an explanation about the variable @@tidb_enable_batch_query_region

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

size/SDenotes a PR that changes 10-29 lines, ignoring generated files.Denotes a PR that changes 10-29 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 20040

#20040 In pingcap/docs-cn;

· JmPotato opened on Mar 12, 2025

Add circuit breaker variable

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

translation/from-docsThis PR is translated from a PR in pingcap/docs.This PR is translated from a PR in pingcap/docs.

type/compatibility-or-feature-changeThis PR involves compatibility changes or feature behavior changes.This PR involves compatibility changes or feature behavior changes.

v9.0-beta.2This PR/issue applies to TiDB v9.0-beta.2.This PR/issue applies to TiDB v9.0-beta.2.

Status: Open (in progress).

pingcap/docs-cnnumber 19678

#19678 In pingcap/docs-cn;

· hfxsd opened on Jan 23, 2025