statistics: stop loading too many stats when to init stats (#53999)

[ti-chi-bot]

This is an automated cherry-pick of #53999

What problem does this PR solve?

Issue Number: close #54000

Problem Summary:

What changed and how does it work?

Check List

Tests

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

with 1 millions tables, tidb disable lite-init-stats.

before

after

sync load can find needed-load stats and evict stats when too many stats is in the cache.

• 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

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-03 07:50:19.040970601 +0000 UTC m=+1397145.526459433: ☑️ agreed by hawkingrei.
• 2024-07-03 07:53:11.710762047 +0000 UTC m=+1397318.196250876: ☑️ agreed by AilinKid.

[codecov]

Codecov Report

Attention: Patch coverage is 53.96825% with 29 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-7.5@3c599cd). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #54104   +/-   ##
================================================
  Coverage               ?   72.1254%           
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  Files                  ?       1411           
  Lines                  ?     411382           
  Branches               ?          0           
================================================
  Hits                   ?     296711           
  Misses                 ?      94806           
  Partials               ?      19865           

Flag	Coverage Δ
unit	72.1254% <53.9682%> (?)

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	53.4745% <0.0000%> (?)

[hawkingrei]

/retest

[hawkingrei]

/retest