fix: cherry pick warmup async

[sunby]

related pr: #38690
issue: #38692

[mergify]

@sunby Please associate the related issue to the body of your Pull Request. (eg. “issue: #”)

[mergify]

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

[xiaofan-luan]

/lgtm
/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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:

• internal/querynodev2/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]

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

[foxspy]

/run-cpu-e2e

[codecov]

Codecov Report

Attention: Patch coverage is 90.69767% with 4 lines in your changes missing coverage. Please review.

Project coverage is 80.45%. Comparing base (b6be11c) to head (c10d4a5).
Report is 5 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
internal/querynodev2/segments/segment.go	89.18%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #39402      +/-   ##
==========================================
+ Coverage   80.41%   80.45%   +0.03%     
==========================================
  Files        1080     1080              
  Lines      169974   170012      +38     
==========================================
+ Hits       136687   136776      +89     
+ Misses      28784    28743      -41     
+ Partials     4503     4493      -10     

Files with missing lines	Coverage Δ
internal/querynodev2/delegator/delegator_data.go	88.25% <100.00%> (+0.47%)	⬆️
internal/querynodev2/segments/pool.go	94.11% <100.00%> (ø)
internal/querynodev2/segments/segment_loader.go	71.57% <100.00%> (+0.74%)	⬆️
internal/querynodev2/segments/segment.go	68.33% <89.18%> (+0.58%)	⬆️

... and 33 files with indirect coverage changes