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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 Fri, 05 Feb 2016 02:06:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-4670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15133507#comment-15133507

Sangjin Lee commented on YARN-4670:

volume of logging depends on the number of nodes which are free and and how many are blacklisted
for the application and how long other nodes are occupied. but IMO it would be rare scenario
volume explodes and we can have logging for it in AppSchedulingInfo.isBlackListed , Thoughts

Yes that sounds like a plan.

> 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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