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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/05/29 22:58:17 UTC

[jira] [Commented] (SPARK-7955) Ensure executors that have cached blocks are not removed when dynamic allocation is enabled

    [ https://issues.apache.org/jira/browse/SPARK-7955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565387#comment-14565387 ] 

Apache Spark commented on SPARK-7955:
-------------------------------------

User 'harishreedharan' has created a pull request for this issue:
https://github.com/apache/spark/pull/6508

> Ensure executors that have cached blocks are not removed when dynamic allocation is enabled
> -------------------------------------------------------------------------------------------
>
>                 Key: SPARK-7955
>                 URL: https://issues.apache.org/jira/browse/SPARK-7955
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Hari Shreedharan
>
> When dynamic allocation is enabled, executor idle time is currently the only parameter considered. This can be annoying if executors get removed but have cached blocks. This can cause sever performance degradation.



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