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Posted to issues@spark.apache.org by "Nishkam Ravi (JIRA)" <ji...@apache.org> on 2014/11/25 03:02:12 UTC

[jira] [Commented] (SPARK-4584) 2x Performance regression for Spark-on-YARN

    [ https://issues.apache.org/jira/browse/SPARK-4584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14223930#comment-14223930 ] 

Nishkam Ravi commented on SPARK-4584:
-------------------------------------

In YARN cluster mode.

> 2x Performance regression for Spark-on-YARN
> -------------------------------------------
>
>                 Key: SPARK-4584
>                 URL: https://issues.apache.org/jira/browse/SPARK-4584
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 1.2.0
>            Reporter: Nishkam Ravi
>
> Significant performance regression observed for Spark-on-YARN (upto 2x) after 1.2 rebase. The offending commit is: 70e824f750aa8ed446eec104ba158b0503ba58a9  from Oct 7th. Problem can be reproduced with JavaWordCount against a large enough input dataset.



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