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https://issues.apache.org/jira/browse/MESOS-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13969098#comment-13969098
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Vinod Kone commented on MESOS-336:
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How about using last modified time of the URL to figure out if any changes were
made.
For HTTP could we leverage "If-Unmodified-Since" and/or "Last-Modified" ?
See: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
> 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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