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tidb: enhance clarity and ensure consistency for the system variable tidb_auto_analyze_concurrency (#20704) #20724

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This is an automated cherry-pick of #20704

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What is changed, added or deleted? (Required)

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  • master (the latest development version)
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  • v8.5 (TiDB 8.5 versions)
  • v8.4 (TiDB 8.4 versions)
  • v8.3 (TiDB 8.3 versions)
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The statement was wrong. It is used to set the concurrency for auto-analyzing operations within a TiDB cluster.

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@ti-chi-bot ti-chi-bot added lgtm needs-1-more-lgtm Indicates a PR needs 1 more LGTM. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/cherry-pick-for-release-8.5 This PR is cherry-picked to release-8.5 from a source PR. labels Apr 9, 2025
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Hello @ti-chi-bot, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

This pull request focuses on enhancing the clarity and ensuring consistency in the documentation regarding the tidb_auto_analyze_concurrency system variable. The changes involve modifications to the releases/release-8.4.0.md and system-variables.md files to provide a more accurate and understandable description of the variable's function, which is to control the number of concurrent auto-analyze operations within a TiDB cluster.

Highlights

  • Documentation Update: The primary focus is on improving the documentation for the tidb_auto_analyze_concurrency system variable.
  • Clarity and Consistency: The changes aim to clarify the purpose of the variable and ensure consistent descriptions across different documentation files.
  • Version Compatibility: The changes are applied to the documentation for versions v9.0, v8.5, v8.4, and master.

Changelog

  • releases/release-8.4.0.md
    • Updated the description of tidb_auto_analyze_concurrency to clarify that it controls the number of concurrent auto-analyze operations within a TiDB cluster, rather than just the concurrency within a single task. (line 57)
    • Modified the description in the system variables table to reflect the correct function of tidb_auto_analyze_concurrency. (line 293)
    • Updated the feature support description to accurately reflect the function of tidb_auto_analyze_concurrency. (line 378)
  • system-variables.md
    • Revised the description of tidb_auto_analyze_concurrency to emphasize its role in controlling concurrent auto-analyze operations within a TiDB cluster. (line 1196)
    • Minor formatting change in the description of tidb_ddl_reorg_worker_count (line 1714)
    • Minor formatting change in the description of general log (line 3151)
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Code Review

The pull request enhances the clarity and consistency of the documentation for the tidb_auto_analyze_concurrency system variable. The changes involve updating descriptions in markdown files to accurately reflect the variable's function in controlling concurrent auto-analyze operations within a TiDB cluster. The changes look good overall.

Merge Readiness

The pull request is ready for merging. The changes are straightforward and improve the accuracy of the documentation. There are no critical or high severity issues, and the changes are well-explained in the pull request description. I am unable to approve this pull request, and recommend that other reviewers also look at the changes before merging.

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Oreoxmt commented Apr 9, 2025

/approve

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ti-chi-bot bot commented Apr 9, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Oreoxmt

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@ti-chi-bot ti-chi-bot bot added the approved label Apr 9, 2025
@ti-chi-bot ti-chi-bot bot merged commit 3047192 into pingcap:release-8.5 Apr 9, 2025
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