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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5074) RM cycles through container ids for an app that is waiting for resources.
Date Wed, 11 May 2016 23:56:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281019#comment-15281019
] 

Wangda Tan commented on YARN-5074:
----------------------------------

CC: [~jlowe]/[~nroberts]

> RM cycles through container ids for an app that is waiting for resources. 
> --------------------------------------------------------------------------
>
>                 Key: YARN-5074
>                 URL: https://issues.apache.org/jira/browse/YARN-5074
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.2
>            Reporter: Sidharta Seethana
>         Attachments: YARN-5074-test-case.patch
>
>
> /cc [~wangda], [~vinodkv]
> This was observed on a cluster running a 2.7.x build. Here is the scenario :
> 1. A YARN cluster has applications running that almost entirely consume the cluster,
with little available resources.
> 2. A new app is submitted - the resources required for the AM exceed what is available
in the cluster. The app stays in the 'ACCEPTED' state till resources are available.
> 3. Once resources are available and the AM container comes up, the AM container has a
id that indicates that the RM has been cycling through containers. There are no errors in
the logs of any kind. One example id for such an AM container is : container_e3788_1462916288781_0012_01_000302
. This indicates that while the app was in the 'ACCEPTED' state, the RM cycled through 301
containers. 



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