feat: introduce tiny compaction to reduce compaction cost

[xiaofan-luan]

fix #37519

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[mergify]

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[mergify]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.13%. Comparing base (40ba5a3) to head (be900fd).
Report is 3 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (40ba5a3) and HEAD (be900fd). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (40ba5a3)	HEAD (be900fd)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #37520       +/-   ##
===========================================
- Coverage   80.62%   68.13%   -12.50%     
===========================================
  Files        1333      290     -1043     
  Lines      186985    25395   -161590     
===========================================
- Hits       150755    17302   -133453     
+ Misses      30949     8093    -22856     
+ Partials     5281        0     -5281     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	68.13% <ø> (ø)
Go	∅ <ø> (∅)

see 1043 files with indirect coverage changes