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@gengliqi gengliqi commented Oct 29, 2025

What is changed and how it works?

Issue Number: Close #xxx

What's Changed:

Chery-pick tikv#17950 and tikv#19071 to raftstore-proxy-8.5

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


Signed-off-by: gengliqi <[email protected]>
@ti-chi-bot ti-chi-bot bot added the size/S label Oct 29, 2025
@gengliqi gengliqi changed the title Chery-pick #19071 to raftstore-proxy-8.5 Chery-pick tikv#19071 to raftstore-proxy-8.5 Oct 29, 2025
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@CalvinNeo CalvinNeo left a comment

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lgtm

@ti-chi-bot ti-chi-bot bot added the lgtm label Oct 29, 2025
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ti-chi-bot bot commented Oct 29, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CalvinNeo

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ti-chi-bot bot commented Oct 29, 2025

[LGTM Timeline notifier]

Timeline:

  • 2025-10-29 14:17:53.743558826 +0000 UTC m=+1486179.820811376: ☑️ agreed by CalvinNeo.

@ti-chi-bot ti-chi-bot bot added the approved label Oct 29, 2025
close tikv#17018

Remove the logic that tries to adjust replica reads' read index in `advance_replica_reads`. This optimization is no correct anymore after 1pc/async-commit is introduced because an earlier readIndex request can rely on a higher committed index due to async-commit lock, thus decrease the read index can cause follower read request reading out-dated data.

Signed-off-by: glorv <[email protected]>
@ti-chi-bot ti-chi-bot bot added size/L and removed size/S labels Oct 29, 2025
@gengliqi gengliqi changed the title Chery-pick tikv#19071 to raftstore-proxy-8.5 Chery-pick tikv#17950 and tikv#19071 to raftstore-proxy-8.5 Oct 29, 2025
@ti-chi-bot ti-chi-bot bot merged commit e521fda into pingcap:raftstore-proxy-8.5 Oct 29, 2025
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3 participants