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Posted to issues@spark.apache.org by "Andrew Ash (JIRA)" <ji...@apache.org> on 2014/09/11 18:49:34 UTC
[jira] [Updated] (SPARK-2680) Lower spark.shuffle.memoryFraction to
0.2 by default
[ https://issues.apache.org/jira/browse/SPARK-2680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Ash updated SPARK-2680:
------------------------------
Component/s: Shuffle
> Lower spark.shuffle.memoryFraction to 0.2 by default
> ----------------------------------------------------
>
> Key: SPARK-2680
> URL: https://issues.apache.org/jira/browse/SPARK-2680
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle, Spark Core
> Reporter: Matei Zaharia
> Assignee: Matei Zaharia
> Priority: Minor
> Fix For: 1.1.0
>
>
> Seems like it's good to be more conservative on this, in particular to try to fit all the data in the young gen. People can always increase it for performance.
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