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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1104) NMs to support rolling logs of stdout & stderr
Date Wed, 15 Jan 2014 07:50:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-1104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13871774#comment-13871774
] 

Zhijie Shen commented on YARN-1104:
-----------------------------------

I agree for long living services, stdout and stderr files need to be rotated. However, I'm
not sure it's good idea to wire them to log, which may mix stdout/stderr output together with
log. If some messages are really considered as log, why not writing them directly into log,
instead of pushing them to stdout/stderr?

> NMs to support rolling logs of stdout & stderr
> ----------------------------------------------
>
>                 Key: YARN-1104
>                 URL: https://issues.apache.org/jira/browse/YARN-1104
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.1.0-beta
>            Reporter: Steve Loughran
>
> Currently NMs stream the stdout and stderr streams of a container to a file. For longer
lived processes those files need to be rotated so that the log doesn't overflow



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