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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/08/27 03:12:59 UTC

[jira] [Commented] (SPARK-3239) Choose disks for spilling randomly

    [ https://issues.apache.org/jira/browse/SPARK-3239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14111693#comment-14111693 ] 

Apache Spark commented on SPARK-3239:
-------------------------------------

User 'davies' has created a pull request for this issue:
https://github.com/apache/spark/pull/2152

> Choose disks for spilling randomly
> ----------------------------------
>
>                 Key: SPARK-3239
>                 URL: https://issues.apache.org/jira/browse/SPARK-3239
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>    Affects Versions: 1.1.0
>            Reporter: Davies Liu
>            Assignee: Davies Liu
>
> Currently, ExternalHashMerger spill data into disks in the same order crossing processes in same node, it will have IO contention.
> It should choose the disks randomly.



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