enhance: [cherry-pick] Change the fixed value to a ratio for clustering segment size

[xiaocai2333]

issue: #34495

master pr: #35076

[mergify]

@xiaocai2333 Please associate the related pr of master to the body of your Pull Request. (eg. “pr: #”)

[mergify]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[codecov]

Codecov Report

Attention: Patch coverage is 77.50000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 81.12%. Comparing base (cc188fb) to head (2118dcb).
Report is 9 commits behind head on 2.4.

Files	Patch %	Lines
internal/datacoord/compaction_trigger_v2.go	12.50%	6 Missing and 1 partial ⚠️
internal/datacoord/compaction_policy_clustering.go	75.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #35075      +/-   ##
==========================================
+ Coverage   81.10%   81.12%   +0.01%     
==========================================
  Files        1051     1051              
  Lines      136692   136699       +7     
==========================================
+ Hits       110870   110892      +22     
+ Misses      21620    21610      -10     
+ Partials     4202     4197       -5     

Files	Coverage Δ
internal/datacoord/task_analyze.go	85.95% <100.00%> (ø)
pkg/util/paramtable/component_param.go	98.53% <100.00%> (ø)
internal/datacoord/compaction_policy_clustering.go	52.77% <75.00%> (-0.60%)	⬇️
internal/datacoord/compaction_trigger_v2.go	71.72% <12.50%> (-1.51%)	⬇️

... and 23 files with indirect coverage changes

[xiaocai2333]

rerun ut

[xiaofan-luan]

/lgtm
/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: xiaocai2333, xiaofan-luan

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• configs/OWNERS [xiaofan-luan]
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