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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4344) NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
Date Thu, 12 Nov 2015 08:08:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001824#comment-15001824
] 

Naganarasimha G R commented on YARN-4344:
-----------------------------------------

Hi [~zxu], 
Seems like the jira number is wrong as YARN-3286 is closed as wont fix ! Are you referring
to any other [~rohithsharma]'s jira?



> NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4344
>                 URL: https://issues.apache.org/jira/browse/YARN-4344
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>            Priority: Critical
>         Attachments: YARN-4344.001.patch
>
>
> After YARN-3802, if an NM re-connects to the RM with changed capabilities, there can
arise situations where the overall cluster resource calculation for the cluster will be incorrect
leading to inconsistencies in scheduling.



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