statistics: updating stats cache can trigger evict

[hawkingrei]

What problem does this PR solve?

Issue Number: close #53742

Problem Summary:

What changed and how does it work?

ristretto will evict the data when inserting data. If LFU meets high-update scenes, it cannot evict. so we need to write some entry value to trigger the value.

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 55.9258%. Comparing base (7b8c91d) to head (6817953).
Report is 3 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #53979         +/-   ##
=================================================
- Coverage   74.5983%   55.9258%   -18.6725%     
=================================================
  Files          1508       1628        +120     
  Lines        358417     603451     +245034     
=================================================
+ Hits         267373     337485      +70112     
- Misses        71723     242826     +171103     
- Partials      19321      23140       +3819     

Flag	Coverage Δ
integration	37.3240% <100.0000%> (?)
unit	53.3364% <100.0000%> (-20.1497%)	⬇️

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

Components	Coverage Δ
dumpling	52.9656% <ø> (-2.2339%)	⬇️
parser	∅ <ø> (∅)
br	50.6231% <ø> (+6.7133%)	⬆️

[hawkingrei]

/retest

[hawkingrei]

/retest

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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 [AilinKid,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-12 15:41:35.821937618 +0000 UTC m=+565649.875249542: ☑️ agreed by winoros.
• 2024-06-13 03:01:27.976843265 +0000 UTC m=+606442.030155190: ☑️ agreed by AilinKid.

[hawkingrei]

/cherrypick release-8.1
/cherrypick release-7.5

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-7.5: #53991.

In response to this:

/cherrypick release-8.1
/cherrypick release-7.5

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]

@hawkingrei: new pull request created to branch release-8.1: #53992.

In response to this:

/cherrypick release-8.1
/cherrypick release-7.5

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.