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From "Bernd Mathiske (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-336) Mesos slave should cache executors
Date Thu, 17 Apr 2014 01:07:18 GMT

    [ https://issues.apache.org/jira/browse/MESOS-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13972175#comment-13972175
] 

Bernd Mathiske commented on MESOS-336:
--------------------------------------

"download once" just means "do not download again unless evicted"

> Mesos slave should cache executors
> ----------------------------------
>
>                 Key: MESOS-336
>                 URL: https://issues.apache.org/jira/browse/MESOS-336
>             Project: Mesos
>          Issue Type: Improvement
>          Components: slave
>            Reporter: brian wickman
>            Assignee: Bernd Mathiske
>              Labels: newbie
>
> The slave should be smarter about how it handles pulling down executors.  In our environment,
executors rarely change but the slave will always pull it down from regardless HDFS.  This
puts undue stress on our HDFS clusters, and is not resilient to reduced HDFS availability.



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