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Posted to issues@spark.apache.org by "Kay Ousterhout (JIRA)" <ji...@apache.org> on 2014/10/17 01:25:34 UTC

[jira] [Created] (SPARK-3983) Scheduler delay (shown in the UI) is incorrect

Kay Ousterhout created SPARK-3983:
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             Summary: Scheduler delay (shown in the UI) is incorrect
                 Key: SPARK-3983
                 URL: https://issues.apache.org/jira/browse/SPARK-3983
             Project: Spark
          Issue Type: Bug
            Reporter: Kay Ousterhout
            Assignee: Kay Ousterhout
             Fix For: 1.2.0


The reported scheduler delay includes time to get a new thread (from a threadpool) in order to start the task, time to deserialize the task, and time to serialize the result.  None of these things are delay caused by the scheduler; including them as such is misleading.

cc [~sparks] [~shivaram]



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