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*: update raft-engine to optimize fetch_entries_to. (#18617)#18672

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ti-chi-bot[bot] merged 2 commits intotikv:release-7.5from
ti-chi-bot:cherry-pick-18617-to-release-7.5
Jul 10, 2025
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*: update raft-engine to optimize fetch_entries_to. (#18617)#18672
ti-chi-bot[bot] merged 2 commits intotikv:release-7.5from
ti-chi-bot:cherry-pick-18617-to-release-7.5

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This is an automated cherry-pick of #18617

What is changed and how it works?

Issue Number: Close #18605

More details can be reviewed in tikv/raft-engine#382.

What's Changed:

Optimizes `fetch_entries_to` in Raft-Engine to reduce contention and improve performance under mixed workloads.

Related changes

  • PR to update pingcap/docs/pingcap/docs-cn:
  • Need to cherry-pick to the release branch

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Release note

Optimizes `fetch_entries_to` in Raft-Engine to reduce contention and improve performance under mixed workloads.

close tikv#18605

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot added dco-signoff: yes Indicates the PR's author has signed the dco. do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR. labels Jul 6, 2025
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@LykxSassinator This PR has conflicts, I have hold it.
Please resolve them or ask others to resolve them, then comment /unhold to remove the hold label.

@ti-chi-bot ti-chi-bot bot added do-not-merge/cherry-pick-not-approved size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Jul 6, 2025
Signed-off-by: lucasliang <nkcs_lykx@hotmail.com>
@ti-chi-bot ti-chi-bot bot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jul 6, 2025
@LykxSassinator LykxSassinator requested a review from overvenus July 6, 2025 10:59
@ti-chi-bot ti-chi-bot bot added approved needs-1-more-lgtm Indicates a PR needs 1 more LGTM. cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Jul 6, 2025
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/unhold

@ti-chi-bot ti-chi-bot bot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jul 10, 2025
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ti-chi-bot bot commented Jul 10, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: LykxSassinator, overvenus

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

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  • OWNERS [LykxSassinator,overvenus]

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@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Jul 10, 2025
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ti-chi-bot bot commented Jul 10, 2025

[LGTM Timeline notifier]

Timeline:

  • 2025-07-06 10:59:58.181084141 +0000 UTC m=+1824650.904263123: ☑️ agreed by LykxSassinator.
  • 2025-07-10 03:36:41.717678395 +0000 UTC m=+2143654.440857378: ☑️ agreed by overvenus.

@ti-chi-bot ti-chi-bot bot merged commit 6246dd0 into tikv:release-7.5 Jul 10, 2025
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approved cherry-pick-approved Cherry pick PR approved by release team. dco-signoff: yes Indicates the PR's author has signed the dco. lgtm release-note Denotes a PR that will be considered when it comes time to generate release notes. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR.

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