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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2016/11/08 00:15:59 UTC

[jira] [Resolved] (SPARK-18236) Reduce memory usage of Spark UI and HistoryServer by reducing duplicate objects

     [ https://issues.apache.org/jira/browse/SPARK-18236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Rosen resolved SPARK-18236.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0

Merged into master (2.2.0).

> Reduce memory usage of Spark UI and HistoryServer by reducing duplicate objects
> -------------------------------------------------------------------------------
>
>                 Key: SPARK-18236
>                 URL: https://issues.apache.org/jira/browse/SPARK-18236
>             Project: Spark
>          Issue Type: Improvement
>          Components: Web UI
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>             Fix For: 2.2.0
>
>
> When profiling heap dumps from the Spark History Server and live Spark web UIs, I found a tremendous amount of memory being wasted on duplicate objects and strings. A few small changes can cut per-task UI memory by half or more.



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