statstics: increase the synchronization offset size when to sync stats

[hawkingrei]

What problem does this PR solve?

Issue Number: ref #54552

Problem Summary:

What changed and how does it work?

Let's first increase the synchronization offset size to reduce the likelihood of resynchronization.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.3129%. Comparing base (2d1ed88) to head (b854d34).
Report is 10 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55943         +/-   ##
=================================================
- Coverage   72.8465%   56.3129%   -16.5336%     
=================================================
  Files          1604       1754        +150     
  Lines        445737     629127     +183390     
=================================================
+ Hits         324704     354280      +29576     
- Misses       101006     250422     +149416     
- Partials      20027      24425       +4398     

Flag	Coverage Δ
integration	38.5632% <100.0000%> (?)
unit	71.9654% <100.0000%> (+0.0095%)	⬆️

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

Components	Coverage Δ
dumpling	52.9567% <ø> (ø)
parser	∅ <ø> (∅)
br	52.8841% <ø> (+7.1466%)	⬆️

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qw4990, time-and-fate

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pkg/statistics/OWNERS [qw4990,time-and-fate]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-09 06:46:41.071256443 +0000 UTC m=+252470.811680374: ☑️ agreed by time-and-fate.
• 2024-09-09 08:43:27.678259787 +0000 UTC m=+259477.418683727: ☑️ agreed by qw4990.

[hawkingrei]

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

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-6.5: #55960.

In response to this:

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

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]

@hawkingrei: new pull request created to branch release-7.1: #55961.

In response to this:

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

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]

@hawkingrei: new pull request created to branch release-7.5: #55962.

In response to this:

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

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]

@hawkingrei: new pull request created to branch release-8.1: #55963.

In response to this:

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

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.