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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-18256) Improve performance of event log replay in HistoryServer based on profiler results
Date Thu, 03 Nov 2016 19:10:58 GMT

     [ https://issues.apache.org/jira/browse/SPARK-18256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-18256:
------------------------------------

    Assignee: Josh Rosen  (was: Apache Spark)

> Improve performance of event log replay in HistoryServer based on profiler results
> ----------------------------------------------------------------------------------
>
>                 Key: SPARK-18256
>                 URL: https://issues.apache.org/jira/browse/SPARK-18256
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>
> Profiling event log replay in the HistoryServer reveals Json4S control flow exceptions
and `Utils.getFormattedClassName` calls as significant bottlenecks. Eliminating these halves
the time to replay long event logs.



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