v8.5.5: doc updates for v8.5.5 by qiancai · Pull Request #21265 · pingcap/docs-cn

qiancai · 2026-01-13T01:48:19Z

What is changed, added or deleted? (Required)

This PR covers all doc updates for v8.5.5 that have been merged to the feature/preview-v8.5.5 branch.

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions (in Chinese).

What is the related PR or file link(s)?

This PR is translated from:
Other reference link(s):

Do your changes match any of the following descriptions?

Delete files
Change aliases
Need modification after applied to another branch
Might cause conflicts after applied to another branch

…rol log backup checkpoint lag (#20710) (#21219)

* added compact log backup * Apply suggestions from code review * Add it to TOC.md * address comments * added to TOC.md * remove announce of experimental * br: combine two limitation sections * toc: avoid duplicate topics * Update format * Apply suggestions from code review * Update br/br-compact-log-backup.md * Update wording * Update version wording --------- Co-authored-by: Yu Juncen <Yu745514916@live.com> Co-authored-by: Lilian Lee <lilin@pingcap.com> Co-authored-by: 山岚 <36239017+YuJuncen@users.noreply.github.com>

…1175) * 新增日志备份与恢复之兼容性 * Update br/br-pitr-manual.md Co-authored-by: BornChanger <97348524+BornChanger@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Lilian Lee <lilin@pingcap.com> * Update format * Apply suggestions from code review Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> * Update wording * Improve wording consistency * Apply suggestions from code review Co-authored-by: xixirangrang <hfxsd@hotmail.com> * v9.0.0 -> v8.5.5 --------- Co-authored-by: Yu Juncen <Yu745514916@live.com> Co-authored-by: 山岚 <36239017+YuJuncen@users.noreply.github.com> Co-authored-by: BornChanger <97348524+BornChanger@users.noreply.github.com> Co-authored-by: Lilian Lee <lilin@pingcap.com> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: xixirangrang <hfxsd@hotmail.com> Co-authored-by: Grace Cai <qqzczy@126.com>

* This is an automated cherry-pick of #20450 Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> * Apply suggestions from code review * Update v9.0.0 to v8.5.5 --------- Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> Co-authored-by: Wenqi Mou <wenqimou@gmail.com> Co-authored-by: Lilian Lee <lilin@pingcap.com>

* This is an automated cherry-pick of #20919 Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> * br: resolve conflict and modify v9.0.0 to v8.5.5 --------- Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> Co-authored-by: Jianjun Liao <36503113+Leavrth@users.noreply.github.com> Co-authored-by: lilin90 <lilin@pingcap.com>

… and the usage of pitr id map (#20346) (#21199) * This is an automated cherry-pick of #20346 Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> * Resolve conflict * Update v9.0.0 to v8.5.5 * Apply suggestions from code review --------- Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io> Co-authored-by: Jianjun Liao <36503113+Leavrth@users.noreply.github.com> Co-authored-by: Lilian Lee <lilin@pingcap.com>

…data (#19907) (#21218)

pingcap-cla-assistant · 2026-01-13T03:59:34Z

All committers have signed the CLA.

…mary (#20676) (#21226)

…21268)

Co-authored-by: Grace Cai <qqzczy@126.com> Co-authored-by: Aolin <aolinz@outlook.com> Co-authored-by: RidRisR <79858083+RidRisR@users.noreply.github.com>

ti-chi-bot · 2026-01-15T01:23:05Z

[LGTM Timeline notifier]

Timeline:

2026-01-15 01:23:05.324824052 +0000 UTC m=+25012.938780908: ☑️ agreed by Oreoxmt.

upgrade-tidb-using-tiup.md

qiancai · 2026-01-15T09:32:24Z

/approve

ti-chi-bot · 2026-01-15T09:32:30Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiancai

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

~~OWNERS~~ [qiancai]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

ti-chi-bot and others added 13 commits December 29, 2025 02:20

v8.5.5 br: add variable tidb_advancer_check_point_lag_limit to cont…

2127865

…rol log backup checkpoint lag (#20710) (#21219)

v8.5.5: Add circuit breaker variable (#19678) (#21176)

4e18b7a

Merge branch 'release-8.5' into feature/preview-v8.5.5

0b63124

v8.5.5 br: remove outdated PITR limitation (#21238) (#21239)

5ce1bb8

v8.5.5 br: pitr restore mode (#20559) (#21216)

8f3a521

v8.5.5 br: provide a storage target option for BR restore checkpoint …

7edfc0a

…data (#19907) (#21218)

v8.5.5 br: improve visualization of BR (#20025) (#21217)

6bd3654

Merge branch 'release-8.5' into feature/preview-v8.5.5

8865309

ti-chi-bot bot added missing-translation-status This PR does not have translation status info. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Jan 13, 2026

qiancai self-assigned this Jan 13, 2026

qiancai mentioned this pull request Jan 13, 2026

v8.5.5: doc updates for v8.5.5 pingcap/docs#22305

Merged

13 tasks

qiancai added the translation/done This PR has been translated from English into Chinese and updated to pingcap/docs-cn in a PR. label Jan 13, 2026

ti-chi-bot bot removed the missing-translation-status This PR does not have translation status info. label Jan 13, 2026

ti-chi-bot and others added 2 commits January 13, 2026 02:51

v8.5.5 br: add ddl job none error report (#21260) (#21266)

437a5df

v8.5.5: add config for graceful shutdown (#21173)

1ee718e

ti-chi-bot added 3 commits January 13, 2026 06:52

v8.5.5: include storage engines in slow query logs and statements sum…

6eea4d4

…mary (#20676) (#21226)

v8.5.5: Add index lookup push down content (#20950) (#21229)

ed582d6

v8.5.5: add doc for async-batch-get (#21164) (#21271)

0e0ef0d

ti-chi-bot bot added size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Jan 13, 2026

qiancai and others added 3 commits January 13, 2026 18:05

Merge branch 'release-8.5' into feature/preview-v8.5.5

d0e187c

v8.5.5 pd,tidb: support affinity schedule (#21207) (#21273)

7304166

v8.5.5 scheduler: network slow store scheduler enhancement (#21196) (#…

689ef3a

…21268)

ti-chi-bot and others added 4 commits January 14, 2026 01:41

v8.5.5: add store limit support (#21257) (#21272)

3c53b02

v8.5.5: Add unified.cpu-threshold config (#21174) (#21267)

a608757

v8.5: bump up the latest version to v8.5.5 (#21277)

fdadcfd

v8.5.5 br: add a new authentication method for Azure (#21206) (#21279)

106fd41

Co-authored-by: Grace Cai <qqzczy@126.com> Co-authored-by: Aolin <aolinz@outlook.com> Co-authored-by: RidRisR <79858083+RidRisR@users.noreply.github.com>

Oreoxmt approved these changes Jan 15, 2026

View reviewed changes

ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Jan 15, 2026

qiancai commented Jan 15, 2026

View reviewed changes

upgrade-tidb-using-tiup.md Outdated Show resolved Hide resolved

Update upgrade-tidb-using-tiup.md

de52c0f

qiancai commented Jan 15, 2026

View reviewed changes

upgrade-tidb-using-tiup.md Outdated Show resolved Hide resolved

Update upgrade-tidb-using-tiup.md

5d0825a

qiancai added the lgtm label Jan 15, 2026

ti-chi-bot bot added the approved label Jan 15, 2026

qiancai merged commit 0c6db77 into release-8.5 Jan 15, 2026
6 of 7 checks passed

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

v8.5.5: doc updates for v8.5.5 #21265

v8.5.5: doc updates for v8.5.5 #21265
qiancai merged 27 commits intorelease-8.5from
feature/preview-v8.5.5

qiancai commented Jan 13, 2026 •

edited by lilin90

Loading

Uh oh!

pingcap-cla-assistant bot commented Jan 13, 2026 •

edited

Loading

Uh oh!

ti-chi-bot bot commented Jan 15, 2026

Uh oh!

Uh oh!

Uh oh!

qiancai commented Jan 15, 2026

Uh oh!

ti-chi-bot bot commented Jan 15, 2026

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

4 participants

Conversation

qiancai commented Jan 13, 2026 • edited by lilin90 Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

What is changed, added or deleted? (Required)

Which TiDB version(s) do your changes apply to? (Required)

What is the related PR or file link(s)?

Do your changes match any of the following descriptions?

Uh oh!

pingcap-cla-assistant bot commented Jan 13, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

ti-chi-bot bot commented Jan 15, 2026

[LGTM Timeline notifier]

Uh oh!

Uh oh!

Uh oh!

qiancai commented Jan 15, 2026

Uh oh!

ti-chi-bot bot commented Jan 15, 2026

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

4 participants

qiancai commented Jan 13, 2026 •

edited by lilin90

Loading

pingcap-cla-assistant bot commented Jan 13, 2026 •

edited

Loading