fix: Replace outer lock with concurrent map

[XuanYang-cn]

See also: #37493

[mergify]

@XuanYang-cn go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@XuanYang-cn E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@XuanYang-cn go-sdk check failed, comment rerun go-sdk can trigger the job again.

[codecov]

Codecov Report

Attention: Patch coverage is 93.93939% with 2 lines in your changes missing coverage. Please review.

Project coverage is 82.92%. Comparing base (f3a36f8) to head (0c345bb).
Report is 4 commits behind head on master.

❗ Current head 0c345bb differs from pull request most recent head 888f7a3

Please upload reports for the commit 888f7a3 to get more accurate results.

Files with missing lines	Patch %	Lines
internal/flushcommon/writebuffer/manager.go	92.30%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #37817      +/-   ##
==========================================
+ Coverage   81.03%   82.92%   +1.88%     
==========================================
  Files        1357     1068     -289     
  Lines      190178   164654   -25524     
==========================================
- Hits       154118   136536   -17582     
+ Misses      30595    22657    -7938     
+ Partials     5465     5461       -4     

Components	Coverage Δ
Client	72.16% <ø> (ø)
Core	∅ <ø> (∅)
Go	83.21% <93.93%> (+<0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/flushcommon/writebuffer/write_buffer.go	73.40% <100.00%> (+0.96%)	⬆️
internal/flushcommon/writebuffer/manager.go	91.71% <92.30%> (-1.37%)	⬇️

... and 317 files with indirect coverage changes

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[xiaofan-luan]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: xiaofan-luan, XuanYang-cn

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:

• OWNERS [xiaofan-luan]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[mergify]

@XuanYang-cn cpp-unit-test check failed, comment rerun cpp-unit-test can trigger the job again.

[mergify]

@XuanYang-cn E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[liliu-z]

/run-cpu-e2e

[liliu-z]

rerun cpp-unit-test

[mergify]

@XuanYang-cn cpp-unit-test check failed, comment rerun cpp-unit-test can trigger the job again.

[mergify]

@XuanYang-cn E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@XuanYang-cn go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@XuanYang-cn E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@XuanYang-cn cpp-unit-test check failed, comment rerun cpp-unit-test can trigger the job again.

[liliu-z]

/run-cpu-e2e

[liliu-z]

rerun cpp-unit-test

[liliu-z]

rerun go-sdk

[mergify]

@XuanYang-cn go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@XuanYang-cn cpp-unit-test check failed, comment rerun cpp-unit-test can trigger the job again.

[mergify]

@XuanYang-cn E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[liliu-z]

/lgtm