bobhan1 opened a new pull request, #64512:
URL: https://github.com/apache/doris/pull/64512

   ## Proposed changes
   
   Backport #64349 to branch-4.0.
   
   This keeps shared `DeltaWriterV2` from retaining the creator sink 
RuntimeState after another local sink reuses the writer. The 4.0 adaptation 
preserves branch-local paths and keeps delta-writer profile collection gated by 
`enable_profile()` and `profile_level() >= 2` at the `VTabletWriterV2::close()` 
call site.
   
   Upstream commit: c33e1b3cfd79d917a6d0f1d2d3e9e202307dfc43
   Backport commit: 27c533661e1
   
   ## Testing
   
   - `git diff HEAD^ HEAD --check`
   - `./run-be-ut.sh --run 
--filter=TestVTabletWriterV2.*:DeltaWriterV2PoolTest.* -j100`
   


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