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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-180) Capacity scheduler - containers that get reserved create container token to early
Date Mon, 22 Oct 2012 20:00:11 GMT
Thomas Graves created YARN-180:
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             Summary: Capacity scheduler - containers that get reserved create container token
to early
                 Key: YARN-180
                 URL: https://issues.apache.org/jira/browse/YARN-180
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
    Affects Versions: 0.23.3
            Reporter: Thomas Graves
            Priority: Critical


The capacity scheduler has the ability to 'reserve' containers.  Unfortunately before it decides
that it goes to reserved rather then assigned, the Container object is created which creates
a container token that expires in roughly 10 minutes by default.  

This means that by the time the NM frees up enough space on that node for the container to
move to assigned the container token will most likely have expired.

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