[GitHub] [helix] kaisun2000 edited a comment on pull request #1123: Cleanup the persisted assignment state if no resource is on WAGED rebalancer.

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kaisun2000 edited a comment on pull request #1123:
URL: https://github.com/apache/helix/pull/1123#issuecomment-651996650


   My follow-up question is actually that there seems still some potential inconsistency issue here not addressed, namely across controllers over different machine. 
   
   The pattern is similar to this https://github.com/apache/helix/pull/1066. 
   
   If one controller session expired, and super controller assign another controller to take care the cluster. When first controller come up, his controller pipeline may still run and persists his baseline and best possible again. How do we guard this across java process race condition?


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