bindinfo: change default behavior for bind cache

[hawkingrei]

What problem does this PR solve?

Issue Number: ref #51347

Problem Summary:

What changed and how does it work?

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]

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[tiprow]

@hawkingrei: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
fast_test_tiprow	b070c94	link	true	/test fast_test_tiprow

Full PR test history. Your PR dashboard.

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 kubernetes/test-infra repository. I understand the commands that are listed here.

[codecov]

Codecov Report

Merging #51452 (b070c94) into master (da7cd99) will decrease coverage by 3.6247%.
Report is 1 commits behind head on master.
The diff coverage is 0.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #51452        +/-   ##
================================================
- Coverage   72.4063%   68.7816%   -3.6247%     
================================================
  Files          1462       1462                
  Lines        362083     430917     +68834     
================================================
+ Hits         262171     296392     +34221     
- Misses        80551     114547     +33996     
- Partials      19361      19978       +617     

Flag	Coverage Δ
integration	48.9576% <0.0000%> (?)

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

Components	Coverage Δ
dumpling	56.2971% <ø> (ø)
parser	∅ <ø> (∅)
br	48.1997% <ø> (+1.8533%)	⬆️

[ti-chi-bot]

@hawkingrei: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/mysql-test	b070c94	link	true	/test mysql-test
idc-jenkins-ci-tidb/unit-test	b070c94	link	true	/test unit-test

Full PR test history. Your PR dashboard.

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 kubernetes/test-infra repository. I understand the commands that are listed here.