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executor: fix race when collecting telemetry info of batch copr #41413

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merged 3 commits into from
Feb 15, 2023

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@you06 you06 commented Feb 14, 2023

Signed-off-by: you06 you1474600@gmail.com

What problem does this PR solve?

Issue Number: close #41412

Problem Summary:

What is changed and how it works?

The build function may be called concurrently when building executors on probe side, use an atomic variable to avoid data race

» go test -race ./executor/issuetest -run TestIssueRaceWhenBuildingExecutorConcurrently --tags=intest
ok      github.com/pingcap/tidb/executor/issuetest      15.110s

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

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.

Fix the data race of store batch coprocessor telemetry stats.

Signed-off-by: you06 <you1474600@gmail.com>
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ti-chi-bot commented Feb 14, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • cfzjywxk
  • tangenta

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added do-not-merge/invalid-title do-not-merge/needs-triage-completed release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Feb 14, 2023
Signed-off-by: you06 <you1474600@gmail.com>
@tangenta tangenta changed the title fix race when collecting telemetry info of batch copr executor: fix race when collecting telemetry info of batch copr Feb 15, 2023
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/check-issue-triage-complete

@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Feb 15, 2023
Signed-off-by: you06 <you1474600@gmail.com>
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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 94aed09

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Feb 15, 2023
@ti-chi-bot ti-chi-bot merged commit 8805b4c into pingcap:master Feb 15, 2023
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data race when building executor
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