util: add generics lfu

[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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[codecov]

Codecov Report

Merging #51352 (8f1a5cb) into master (6f02e99) will increase coverage by 1.6571%.
Report is 12 commits behind head on master.
The diff coverage is n/a.

❗ Current head 8f1a5cb differs from pull request most recent head 23a1659. Consider uploading reports for the commit 23a1659 to get more accurate results

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #51352        +/-   ##
================================================
+ Coverage   70.5756%   72.2328%   +1.6571%     
================================================
  Files          1462       1462                
  Lines        434885     434927        +42     
================================================
+ Hits         306923     314160      +7237     
+ Misses       108661     100813      -7848     
- Partials      19301      19954       +653     

Flag	Coverage Δ
integration	27.9430% <ø> (?)

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

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	51.3683% <ø> (+5.5454%)	⬆️

[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	23a1659	link	true	/test fast_test_tiprow

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[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/build	23a1659	link	true	/test build
idc-jenkins-ci-tidb/unit-test	23a1659	link	true	/test unit-test
idc-jenkins-ci-tidb/mysql-test	23a1659	link	true	/test mysql-test
idc-jenkins-ci-tidb/check_dev_2	23a1659	link	true	/test check-dev2
idc-jenkins-ci-tidb/check_dev	23a1659	link	true	/test check-dev

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.