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resourcemanager: support worker pool #42513

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merged 10 commits into from Mar 25, 2023

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wjhuang2016
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@wjhuang2016 wjhuang2016 commented Mar 23, 2023

What problem does this PR solve?

Issue Number: close #42511

Problem Summary:

What is changed and how it works?

This PR supports a worker pool that can change workers dynamically by the resource manager.

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.

None

Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
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ti-chi-bot commented Mar 23, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • hawkingrei
  • 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 release-note-none size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Mar 23, 2023
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Mar 23, 2023
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Mar 23, 2023
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
select {
case task := <-p.taskChan:
p.runningTask.Add(1)
w.HandleTask(task)
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Should we add recoveryhere to avoid panic?

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let the worker handle it.

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If wokrer forgets to handle it, how to ensure the correctness here.

Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
@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 Mar 24, 2023
@hawkingrei
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/retest

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/merge

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

Commit hash: 8cb812f

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Mar 24, 2023
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/retest

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/retest

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/test all

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/retest

@ti-chi-bot ti-chi-bot merged commit d3c0756 into pingcap:master Mar 25, 2023
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Support a worker pool
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