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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2015/10/26 03:18:27 UTC

[jira] [Created] (SPARK-11307) Reduce memory consumption of OutputCommitCoordinator bookkeeping structures

Josh Rosen created SPARK-11307:
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             Summary: Reduce memory consumption of OutputCommitCoordinator bookkeeping structures
                 Key: SPARK-11307
                 URL: https://issues.apache.org/jira/browse/SPARK-11307
             Project: Spark
          Issue Type: Bug
          Components: Scheduler
            Reporter: Josh Rosen
            Assignee: Josh Rosen


OutputCommitCoordinator uses a map in a place where an array would suffice, increasing its memory consumption for result stages with millions of tasks.




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