enhance: Add more tracing for l0 compactor

[XuanYang-cn]

No description provided.

[mergify]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.12%. Comparing base (7763718) to head (6153142).
Report is 13 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #33435    +/-   ##
========================================
  Coverage   82.12%   82.12%            
========================================
  Files        1015     1006     -9     
  Lines      129767   129984   +217     
========================================
+ Hits       106574   106754   +180     
- Misses      19231    19248    +17     
- Partials     3962     3982    +20     

Files	Coverage Δ
internal/datanode/data_sync_service.go	67.88% <100.00%> (-0.50%)	⬇️
internal/datanode/l0_compactor.go	90.19% <100.00%> (+0.03%)	⬆️

... and 217 files with indirect coverage changes

[congqixia]

/lgtm

[sre-ci-robot]

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This pull-request has been approved by: congqixia, XuanYang-cn

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