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Posted to issues@spark.apache.org by "Shivaram Venkataraman (JIRA)" <ji...@apache.org> on 2016/12/13 00:24:58 UTC

[jira] [Created] (SPARK-18836) Serialize Task Metrics once per stage

Shivaram Venkataraman created SPARK-18836:
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             Summary: Serialize Task Metrics once per stage
                 Key: SPARK-18836
                 URL: https://issues.apache.org/jira/browse/SPARK-18836
             Project: Spark
          Issue Type: Improvement
          Components: Scheduler
            Reporter: Shivaram Venkataraman


Right now we serialize the empty task metrics once per task -- Since this is shared across all tasks we could use the same serialized task metrics across all tasks of a stage



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