*: fix goleak in the client-go

[hawkingrei]

What problem does this PR solve?

Issue Number: close #49038

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

[hawkingrei]

/check-issue-triage-complete

[codecov]

Codecov Report

Merging #49046 (50d1bd7) into master (f39e9bf) will increase coverage by 1.5245%.
Report is 5 commits behind head on master.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #49046        +/-   ##
================================================
+ Coverage   70.9922%   72.5168%   +1.5245%     
================================================
  Files          1368       1391        +23     
  Lines        403975     410975      +7000     
================================================
+ Hits         286791     298026     +11235     
+ Misses        97214      94139      -3075     
+ Partials      19970      18810      -1160     

Flag	Coverage Δ
integration	43.6902% <ø> (?)
unit	70.9922% <ø> (ø)

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

Components	Coverage Δ
dumpling	53.9663% <ø> (ø)
parser	∅ <ø> (∅)
br	48.3541% <ø> (-4.6181%)	⬇️

[Defined2014]

Maybe we could change all files,

./tests/realtikvtest/testkit.go:                goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./tests/realtikvtest/testkit.go:                goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.(*Config).createBackoffFn.newBackoffFn.func2"),
./docs/design/2021-04-26-lock-view.md:    * There are two types of deadlock errors internally: retryable or non-retryable. The transaction will internally retry on retryable deadlocks and won't report error to the client. Therefore, the user are typically more interested in the non-retryable deadlocks.
./br/pkg/lightning/backend/backend.go:  importMaxRetryTimes = 3 // tikv-importer has done retry internally. so we don't retry many times.
./pkg/sessiontxn/isolation/optimistic.go:// If the session is already in transaction, enable retry or internal SQL could retry.
./pkg/sessiontxn/isolation/optimistic.go:       // The internal transaction could always retry.
./pkg/store/copr/copr_test/main_test.go:                goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/nontransactionaltest/main_test.go:                goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/bootstraptest/main_test.go:               goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/vars/main_test.go:           goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/txn/main_test.go:            goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/variable/main_test.go:               goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/meta/main_test.go:           goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/privileges/main_test.go:             goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/common/main_test.go:         goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/test/main_test.go:                goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/clusteredindextest/main_test.go:          goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/schematest/main_test.go:          goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/temporarytabletest/main_test.go:          goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),
./pkg/session/main_test.go:             goleak.IgnoreTopFunction("github.com/tikv/client-go/v2/internal/retry.newBackoffFn.func1"),

[hawkingrei]

Done

[hawkingrei]

Done

[you06]

LGTM

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-30 08:36:18.326712802 +0000 UTC m=+1084606.991938990: ☑️ agreed by lance6716.
• 2023-11-30 08:52:46.483461854 +0000 UTC m=+1085595.148688039: ☑️ agreed by you06.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Defined2014, lance6716, you06

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