enhance: try compact small segments first if they may compose a full segment

[tedxu]

See #37234

[mergify[bot]]

@tedxu Thanks for your contribution. Please submit with DCO, see the contributing guide https://github.com/milvus-io/milvus/blob/master/CONTRIBUTING.md#developer-certificate-of-origin-dco.

[mergify[bot]]

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

[mergify[bot]]

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

[tedxu]

/run-cpu-e2e

[tedxu]

rerun go-sdk

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.67%. Comparing base (2630717) to head (c68558b). Report is 172 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #37709       +/-   ##
===========================================
+ Coverage   68.15%   80.67%   +12.52%     
===========================================
  Files         290     1358     +1068     
  Lines       25392   190699   +165307     
===========================================
+ Hits        17306   153849   +136543     
- Misses       8086    31418    +23332     
- Partials        0     5432     +5432     

Components	Coverage Δ
Client	61.25% <ø> (∅)
Core	68.93% <ø> (+0.77%)	:arrow_up:
Go	83.19% <100.00%> (∅)

Files with missing lines	Coverage Δ
internal/datacoord/compaction_trigger.go	84.77% <100.00%> (ø)
internal/datacoord/knapsack.go	100.00% <100.00%> (ø)

... and 1080 files with indirect coverage changes

[mergify[bot]]

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

[mergify[bot]]

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

[tedxu]

/run-cpu-e2e

[mergify[bot]]

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

[tedxu]

/run-cpu-e2e

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, tedxu

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