wyxxxcat commented on PR #70119:
URL: https://github.com/apache/doris/pull/70119#issuecomment-6621824039

   Clarification of my earlier review: the accessor-selection code correctly 
implements the batch-delete setting:
   
   - `enable_gcs_batch_delete_object=true` (default): `S3Accessor` → 
`DeleteObjects` → batch deletion.
   - `enable_gcs_batch_delete_object=false`: `GcsAccessor` → `DeleteObject` → 
individual-object deletion.
   
   My earlier wording made this sound like an implementation defect. The 
remaining observation concerns the PR description and release note, which state 
that disabling the setting retains `S3Accessor` and that individual-object 
deletion is the default. Those statements should be updated to match the 
behavior above.
   
   Suggested wording:
   
   > GCS recycling retains generic S3 batch deletion by default. Set 
`enable_gcs_batch_delete_object=false` at startup to use `GcsAccessor` for 
individual-object deletion of file lists and prefixes.
   
   At reviewed head `0dc8be88f466e868adc14b28dd922aff07139f01`, no additional 
code defects were confirmed within the requested review scope. Testing concerns 
and continuing to scan after a failed deletion are excluded as requested. No 
change to the accessor-selection code is needed for the intended behavior.
   


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