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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-221) NM should provide a way for AM to tell it not to aggregate logs.
Date Fri, 16 Nov 2012 20:09:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13499106#comment-13499106
] 

Siddharth Seth commented on YARN-221:
-------------------------------------

This is related to container re-use as well. Depending on how log files will be generated
in case of re-use, it may be useful to provide a list of files to be aggregated.
                
> NM should provide a way for AM to tell it not to aggregate logs.
> ----------------------------------------------------------------
>
>                 Key: YARN-221
>                 URL: https://issues.apache.org/jira/browse/YARN-221
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 0.23.4
>            Reporter: Robert Joseph Evans
>
> The NodeManager should provide a way for an AM to tell it that either the logs should
not be aggregated, that they should be aggregated with a high priority, or that they should
be aggregated but with a lower priority.  The AM should be able to do this in the ContainerLaunch
context to provide a default value, but should also be able to update the value when the container
is released.
> This would allow for the NM to not aggregate logs in some cases, and avoid connection
to the NN at all.

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