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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1040) Add ability to execute multiple programs in the same long-lived container
Date Wed, 07 Aug 2013 17:32:48 GMT
Steve Loughran created YARN-1040:
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             Summary: Add ability to execute multiple programs in the same long-lived container
                 Key: YARN-1040
                 URL: https://issues.apache.org/jira/browse/YARN-1040
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Steve Loughran


The AM should be able to exec >1 process in a container, rather than have the NM automatically
release the container when the single process exits.

This would let an AM restart a process on the same container repeatedly, which for HBase would
offer locality on a restarted region server.

We may also want the ability to exec multiple processes in parallel, so that something could
be run in the container while a long-lived process was already running. This can be useful
in monitoring and reconfiguring the long-lived process, as well as shutting it down.

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