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Posted to issues@spark.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2014/11/25 23:34:12 UTC
[jira] [Assigned] (SPARK-4584) 2x Performance regression for
Spark-on-YARN
[ https://issues.apache.org/jira/browse/SPARK-4584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sandy Ryza reassigned SPARK-4584:
---------------------------------
Assignee: Sandy Ryza
> 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
> Assignee: Sandy Ryza
> Priority: Blocker
>
> 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 in YARN cluster mode.
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