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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4670) add logging when a node is AM-blacklisted
Date Thu, 04 Feb 2016 04:40:39 GMT

    [ https://issues.apache.org/jira/browse/YARN-4670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131726#comment-15131726
] 

Sangjin Lee commented on YARN-4670:
-----------------------------------

Thanks for the info. I missed YARN-4307.

Regarding logging in SchedulerAppUtils.isBlackListed(), does that get used for the *AM* blacklisting
too? It's not obvious to me. I was looking more at RMAppAttemptImpl.sendAMContainerToNM().
Also, it would be good if this can be logged at the INFO level, as I don't think the volume
of this logging is going to be too much and logging this during the normal operation would
be useful?

> add logging when a node is AM-blacklisted
> -----------------------------------------
>
>                 Key: YARN-4670
>                 URL: https://issues.apache.org/jira/browse/YARN-4670
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>            Priority: Trivial
>
> Today there is not much logging happening when a node is blacklisted for an AM (see YARN-2005).
We can add a little more logging to see this activity easily from the RM logs.



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