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analyze: merge task and send task concurrently #47379

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merged 4 commits into from
Oct 10, 2023

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@hawkingrei hawkingrei commented Sep 30, 2023

What problem does this PR solve?

Issue Number: ref #47275

Problem Summary:

What is changed and how it works?

Start the merge operation early to reduce memory consumption.

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.

None

@ti-chi-bot ti-chi-bot bot added do-not-merge/needs-linked-issue do-not-merge/needs-tests-checked release-note-none Denotes a PR that doesn't merit a release note. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed do-not-merge/needs-linked-issue do-not-merge/needs-tests-checked labels Sep 30, 2023
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codecov bot commented Sep 30, 2023

Codecov Report

Merging #47379 (ef4ba2d) into master (95378e5) will increase coverage by 0.5624%.
Report is 51 commits behind head on master.
The diff coverage is 80.9523%.

Additional details and impacted files
@@               Coverage Diff                @@
##             master     #47379        +/-   ##
================================================
+ Coverage   72.3183%   72.8807%   +0.5624%     
================================================
  Files          1352       1376        +24     
  Lines        400846     409270      +8424     
================================================
+ Hits         289885     298279      +8394     
- Misses        91782      92082       +300     
+ Partials      19179      18909       -270     
Flag Coverage Δ
integration 39.8713% <59.5238%> (?)
unit 72.2352% <80.9523%> (-0.0831%) ⬇️

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

Components Coverage Δ
dumpling 53.9913% <ø> (ø)
parser 84.6969% <ø> (-0.0575%) ⬇️
br 48.8787% <ø> (-4.2195%) ⬇️

@hawkingrei hawkingrei changed the title analyze: merge task and send Task concurrently analyze: merge task and send task concurrently Oct 10, 2023
@ti-chi-bot ti-chi-bot bot added approved needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Oct 10, 2023
mergeWorkerPanicCnt++
mergeEg, mergeCtx := errgroup.WithContext(context.Background())
mergeEg.Go(func() (err error) {
for mergeWorkerPanicCnt < statsConcurrency {
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Should we recover it? Otherwise, if it panics, the whole process will exit.

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Done

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ti-chi-bot bot commented Oct 10, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qw4990, winoros

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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 Oct 10, 2023
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ti-chi-bot bot commented Oct 10, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-10-10 07:40:56.421132931 +0000 UTC m=+1124454.008243061: ☑️ agreed by winoros.
  • 2023-10-10 08:24:13.617443107 +0000 UTC m=+1127051.204553252: ☑️ agreed by qw4990.

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/retest

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/retest

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/retest

@ti-chi-bot ti-chi-bot bot merged commit ec2731b into pingcap:master Oct 10, 2023
@hawkingrei hawkingrei deleted the not_wait branch October 10, 2023 12:20
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4 participants