tikv: update auto compaction config (#21656) (#21725) #21727
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Summary of Changes
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!
This pull request primarily updates the TiDB documentation to align with recent changes in TiKV's automatic compaction configuration, introducing new, more precise parameters for managing RocksDB compaction. Additionally, it corrects versioning details for a set of system variables. These changes are part of an automated cherry-pick process to propagate updates across relevant branches.
Highlights
- TiKV Auto Compaction Configuration Update: The documentation has been updated to reflect the deprecation of older
region-compactparameters and the introduction of newgc.auto-compactionparameters (e.g.,redundant-rows-threshold,redundant-rows-percent-threshold) for fine-grained control over RocksDB compaction, effective from TiDB v7.5.7 and v9.0.0. - System Variable Versioning Correction: The versioning information for several
tidb_opt_*_cost_factorsystem variables has been corrected in the release notes and system variable reference. The "and v9.0.0" tag has been removed, indicating these variables were introduced specifically in v8.5.3.
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: Oreoxmt The full list of commands accepted by this bot can be found here. The pull request process is described here
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This is an automated cherry-pick of #21725
This is an automated cherry-pick of #21656
First-time contributors' checklist
What is changed, added or deleted? (Required)
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)?
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