enhance: [2.4] clean compaction task in compactionHandler (#38170)

[xiaocai2333]

issue: #35711

master pr: #38170

[xiaocai2333]

/hold
wait 2.4.18 released

[codecov]

Codecov Report

Attention: Patch coverage is 82.08955% with 36 lines in your changes missing coverage. Please review.

Project coverage is 80.43%. Comparing base (451deb3) to head (76c0d41).
Report is 6 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
internal/datacoord/compaction_task_clustering.go	83.49%	13 Missing and 4 partials ⚠️
internal/datacoord/compaction_task_mix.go	50.00%	10 Missing and 1 partial ⚠️
internal/datacoord/partition_stats_meta.go	76.19%	3 Missing and 2 partials ⚠️
internal/datacoord/compaction_task_l0.go	75.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #38584      +/-   ##
==========================================
+ Coverage   72.14%   80.43%   +8.29%     
==========================================
  Files        1077     1077              
  Lines      169415   169518     +103     
==========================================
+ Hits       122217   136347   +14130     
+ Misses      42719    28685   -14034     
- Partials     4479     4486       +7     

Files with missing lines	Coverage Δ
internal/datacoord/compaction.go	78.57% <100.00%> (+1.55%)	⬆️
internal/datacoord/compaction_task.go	88.88% <ø> (ø)
internal/datacoord/meta.go	89.85% <100.00%> (+1.61%)	⬆️
pkg/util/merr/errors.go	92.18% <ø> (ø)
pkg/util/merr/utils.go	83.27% <100.00%> (+0.12%)	⬆️
internal/datacoord/compaction_task_l0.go	94.09% <75.00%> (-1.15%)	⬇️
internal/datacoord/partition_stats_meta.go	52.12% <76.19%> (+8.49%)	⬆️
internal/datacoord/compaction_task_mix.go	65.15% <50.00%> (+8.12%)	⬆️
internal/datacoord/compaction_task_clustering.go	79.00% <83.49%> (+6.45%)	⬆️

... and 223 files with indirect coverage changes

[xiaocai2333]

/unhold

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, xiaocai2333

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• internal/datacoord/OWNERS [czs007]
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