SDSTOR-21465: scrubber phase 1

[JacksonYao287]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 40.37383% with 319 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (stable/v4.x@88b936f). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/lib/homestore_backend/hs_http_manager.cpp	0.42%	237 Missing ⚠️
src/lib/homestore_backend/hs_pg_manager.cpp	71.07%	22 Missing and 13 partials ⚠️
src/lib/homestore_backend/hs_http_manager.hpp	0.00%	20 Missing ⚠️
src/lib/homestore_backend/scrub_manager.hpp	77.02%	16 Missing and 1 partial ⚠️
...ib/homestore_backend/replication_state_machine.cpp	81.25%	2 Missing and 1 partial ⚠️
src/lib/homestore_backend/MPMCPriorityQueue.hpp	94.59%	1 Missing and 1 partial ⚠️
src/lib/homestore_backend/hs_blob_manager.cpp	33.33%	1 Missing and 1 partial ⚠️
src/lib/homestore_backend/hs_homeobject.cpp	81.81%	0 Missing and 2 partials ⚠️
src/lib/homestore_backend/hs_shard_manager.cpp	88.88%	1 Missing ⚠️
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Additional details and impacted files

@@              Coverage Diff               @@
##             stable/v4.x     #413   +/-   ##
==============================================
  Coverage               ?   53.32%           
==============================================
  Files                  ?       39           
  Lines                  ?     6768           
  Branches               ?      926           
==============================================
  Hits                   ?     3609           
  Misses                 ?     2746           
  Partials               ?      413           

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