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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/09/22 06:52:55 UTC

[GitHub] [spark] Ngone51 commented on pull request #34043: [SPARK-36782][CORE] Avoid blocking dispatcher-BlockManagerMaster during UpdateBlockInfo

Ngone51 commented on pull request #34043:
URL: https://github.com/apache/spark/pull/34043#issuecomment-924638509


   > Looking at it more, the issue here is that we are relying on BlockManagerMasterEndpoint to update state in MapOutputTracker (which is usually done via DAGScheduler).
   
   Good point! So I think we can delegate the `UpdateBlockInfo` of migrated shuffle blocks to `DagScheduler` instead.


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