executor: reuse memory for parallelSortSpillHelper (#53859) (#53879)

[ti-chi-bot]

This is an automated cherry-pick of #53879

This is an automated cherry-pick of #53859

What problem does this PR solve?

Issue Number: close #53861

Problem Summary:

What changed and how does it work?

we get a profiler while we benchmark sync load. it takes too much time on the newParallelSortSpillHelper. it is unnecessary.

https://flamegraph.com/share/4dca9137-2419-11ef-ab1b-b6898751f631

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

after optimization

t takes less time on the newParallelSortSpillHelper

https://flamegraph.com/share/822c3df8-247d-11ef-ab1b-b6898751f631

• 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]

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[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by triage owners.
Adding the do-not-merge/cherry-pick-not-approved label.

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Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev	63cac0d	link	true	/test check-dev

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-7.5@3c02c2a). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #53890   +/-   ##
================================================
  Coverage               ?   72.0220%           
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  Files                  ?       1411           
  Lines                  ?     410741           
  Branches               ?          0           
================================================
  Hits                   ?     295824           
  Misses                 ?      95021           
  Partials               ?      19896           

Flag	Coverage Δ
unit	72.0220% <ø> (?)

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

Components	Coverage Δ
dumpling	53.9913% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.4592% <0.0000%> (?)