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statistics: add recover to protect background task #58739

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merged 3 commits into from
Jan 7, 2025

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@hawkingrei hawkingrei commented Jan 7, 2025

What problem does this PR solve?

Issue Number: close #58738

ref #58715

Problem Summary:

What changed and how does it work?

#58715 bug will panic in the background. it will make this background exiting and cannot restart it. it will lead many critical bug. so we need to add recover to protect the background thread.

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.

add recover to protect background task

增加recover 来保护后台任务意外退出

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
@ti-chi-bot ti-chi-bot bot added do-not-merge/needs-tests-checked 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. sig/planner SIG: Planner and removed do-not-merge/needs-tests-checked labels Jan 7, 2025
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/retest

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codecov bot commented Jan 7, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.7367%. Comparing base (7063a6f) to head (668526a).
Report is 6 commits behind head on master.

Additional details and impacted files
@@               Coverage Diff                @@
##             master     #58739        +/-   ##
================================================
+ Coverage   73.0918%   73.7367%   +0.6449%     
================================================
  Files          1677       1707        +30     
  Lines        463763     473289      +9526     
================================================
+ Hits         338973     348988     +10015     
+ Misses       103926     102720      -1206     
- Partials      20864      21581       +717     
Flag Coverage Δ
integration 45.6479% <33.3333%> (?)
unit 72.2830% <100.0000%> (-0.0025%) ⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components Coverage Δ
dumpling 52.6910% <ø> (ø)
parser ∅ <ø> (∅)
br 45.7449% <ø> (+0.0119%) ⬆️

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.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 Jan 7, 2025
@ti-chi-bot ti-chi-bot bot added approved needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Jan 7, 2025
Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
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ti-chi-bot bot commented Jan 7, 2025

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AilinKid, time-and-fate

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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 Jan 7, 2025
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ti-chi-bot bot commented Jan 7, 2025

[LGTM Timeline notifier]

Timeline:

  • 2025-01-07 07:14:36.883680481 +0000 UTC m=+251420.172512186: ☑️ agreed by AilinKid.
  • 2025-01-07 07:39:18.277191141 +0000 UTC m=+252901.566022846: ☑️ agreed by time-and-fate.

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/retest

@ti-chi-bot ti-chi-bot bot merged commit 23ed0df into pingcap:master Jan 7, 2025
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/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

@ti-chi-bot ti-chi-bot bot added 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 Jan 7, 2025
ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Jan 7, 2025
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@hawkingrei: new pull request created to branch release-6.5: #58763.

In response to this:

/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Jan 7, 2025
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@hawkingrei: new pull request created to branch release-7.1: #58764.

In response to this:

/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

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@hawkingrei: new pull request created to branch release-7.5: #58765.

In response to this:

/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Jan 7, 2025
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Jan 7, 2025
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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@hawkingrei: new pull request created to branch release-8.1: #58766.

In response to this:

/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

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@hawkingrei: new pull request created to branch release-8.5: #58767.

In response to this:

/cherrypick release-8.5
/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1
/cherrypick release-6.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

@hawkingrei hawkingrei deleted the 58738 branch January 8, 2025 08:25
breezewish added a commit that referenced this pull request Jan 8, 2025
…long-vector

* commit '510d0037b18f258f505abc6cf13a8128563e9359':
  *: upgrade pd client to make sure tso client initiate successfully (#58752)
  ttl, test: scale TTL workers during the fault tests (#58750)
  planner: improve warning messages for unsupported HASH_JOIN hints (#58646)
  planner: prealloc the slices in the SplitCorColAccessCondFromFilters (#58785)
  ddl: supports non-unique global index (#58678)
  util/stmtsummary: add the network traffic related fields (#58101)
  var: enable `pd_enable_follower_handle_region` as default (#58385)
  statistics: refactor stats meta handling to use DeltaUpdate for multi-table support (#58657)
  parser: move 'model' to 'ast' pkg (#58704)
  statistics: add recover to protect background task (#58739)
  disttask: cancel subtask context if scheduled away (#58615)
  *: don't handle live updates of column size (#58596)
  *: fix a bug for default_authentication_plugin (2) (#58723)
  dupdetect: gRPC cancel should trigger retry (#58542)
  *: fix a bug for default_authentication_plugin (#57391)
  distsql: Fix backoff execution info inaccurate issue (#58707)
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Add recover and Daemon Thread to key background tasks
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