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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 01:03:53 GMT

    [ https://issues.apache.org/jira/browse/MESOS-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13972170#comment-13972170
] 

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

Agree with (1) through (4). (5) would only work if a) all URIs had different base names or
b) we could simply use whole URIs as cache file names. But we cannot assume either to be the
case.



> 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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