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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5563) Add log messages for jobs in ACCEPTED state but not runnable.
Date Wed, 14 Sep 2016 23:13:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-5563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491716#comment-15491716
] 

Yufei Gu commented on YARN-5563:
--------------------------------

This duplicates YARN-4329, close it and work on YARN-4329.

> Add log messages for jobs in ACCEPTED state but not runnable.
> -------------------------------------------------------------
>
>                 Key: YARN-5563
>                 URL: https://issues.apache.org/jira/browse/YARN-5563
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>              Labels: supportability
>
> Leaf queues maintain a list of runnable and non-runnable apps. FairScheduler marks an
app non-runnable for different reasons: exceeding the following properties of the leaf queue:
> (1) queue max apps, 
> (2) user max apps, 
> (3) queue maxResources, 
> (4) maxAMShare. 
> It would be nice to log the reason an app isn't runnable. The first three are easy to
infer, but the last one (maxAMShare) is particularly hard. We are going to log all of them
and show the reason if any in WebUI application view.



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