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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1040) De-link container life cycle from the process and add ability to execute multiple processes in the same long-lived container
Date Tue, 12 Nov 2013 18:08:18 GMT

     [ https://issues.apache.org/jira/browse/YARN-1040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bikas Saha updated YARN-1040:
-----------------------------

    Summary: De-link container life cycle from the process and add ability to execute multiple
processes in the same long-lived container  (was: Add ability to execute multiple programs
in the same long-lived container)

> De-link container life cycle from the process and add ability to execute multiple processes
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
>          Components: nodemanager
>    Affects Versions: 3.0.0
>            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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