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*: Reorganize partition one extra state #56974

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merged 40 commits into from
Nov 26, 2024

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@mjonss mjonss commented Oct 29, 2024

What problem does this PR solve?

Issue Number: ref #45133 close #57523

Problem Summary:
During testing of #56786, if inserts are occurring during StateDeleteReorganization when there is a newer schema version (where the DDL is completed) there is a possibility that such rows from the old partitions/indexes are not cleaned through the DeleteRanges DDL cleanup.

What changed and how does it work?

Built upon #56786.
Added a one more state, StatePublic, that are DeleteOnly so there are no new entries during that state, resulting in all entries will be cleaned up through the DeleteRanges DDL cleanup.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No need to test
    • I checked and no code files have been changed.

Side effects

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

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Adding one more Schema State to REORGANIZE PARTITION to avoid leaving rows not cleaned up.

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Skipping CI for Draft Pull Request.
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mjonss commented Oct 29, 2024

/test all

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ti-chi-bot bot commented Nov 26, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Defined2014, tangenta

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@ti-chi-bot ti-chi-bot bot added approved lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Nov 26, 2024
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ti-chi-bot bot commented Nov 26, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-11-20 03:46:22.037359317 +0000 UTC m=+3369.657013833: ☑️ agreed by Defined2014.
  • 2024-11-26 09:37:39.54042934 +0000 UTC m=+542847.160083857: ☑️ agreed by tangenta.

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mjonss commented Nov 26, 2024

/retest

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mjonss commented Nov 26, 2024

/retest

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/retest

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@mjonss: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

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mjonss commented Nov 26, 2024

/retest

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mjonss commented Nov 26, 2024

/test fast_test_tiprow

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mjonss commented Nov 26, 2024

/retest-required

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mjonss commented Nov 26, 2024

/ok-to-test

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@ti-chi-bot ti-chi-bot bot added the ok-to-test Indicates a PR is ready to be tested. label Nov 26, 2024
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mjonss commented Nov 26, 2024

/retest

@ti-chi-bot ti-chi-bot bot merged commit 2125737 into pingcap:master Nov 26, 2024
26 of 27 checks passed
@mjonss mjonss deleted the reorg-partition-one-extra-state branch November 26, 2024 18:48
mjonss added a commit to ti-chi-bot/tidb that referenced this pull request Nov 29, 2024
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Concurrently written rows in REORGANIZE PARTITION may not be cleaned up
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