platoneko opened a new pull request, #17644:
URL: https://github.com/apache/doris/pull/17644

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   If this replica is cooldown replica, MUST generate a new `cooldown_meta_id` 
to avoid use `cooldown_meta_id` generated in old cooldown term which may lead 
to such situation:
   Replica A is cooldown replica, cooldown_meta_id=2,
   Replica B: cooldown_replica=A, cooldown_meta_id=1
   Replica A: full clone Replica A, cooldown_meta_id=1, but remote 
cooldown_meta is still with cooldown_meta_id=2
   After tablet report. FE finds all replicas' cooldowned data is consistent
   Replica A: confirm_unused_remote_files, delete some cooldowned data of 
cooldown_meta_id=2
   Replica B: follow_cooldown_data, cooldown_meta_id=2, data lost
   
   ## Checklist(Required)
   
   * [ ] Does it affect the original behavior
   * [ ] Has unit tests been added
   * [ ] Has document been added or modified
   * [ ] Does it need to update dependencies
   * [ ] Is this PR support rollback (If NO, please explain WHY)
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at 
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you 
chose the solution you did and what alternatives you considered, etc...
   
   


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