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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1705) Cluster metrics are off after failover
Date Tue, 11 Mar 2014 13:07:42 GMT

    [ https://issues.apache.org/jira/browse/YARN-1705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13930309#comment-13930309
] 

Rohith commented on YARN-1705:
------------------------------

For understaing detail scope of Jira,  
   1. Currently , on RM restart cluster metrics are reset to 0. Only recovered applications
with running state are considered for clustermetrics. 
   2. For case "RM1 transition from (1)ACTIVE->(2)STANDBY->(3)ACTIVE immediately." 
   
     Say for example, RM has "*appSubmitted=3*,appsPending=1,appsRunning1,*appsCompleted=1*",

     In both above 2 cases, cluster metrics are set as "*appSubmitted=2*,appsPending=1,appsRunning1,*appsCompleted=0*".
       
     Should cluster metrics maintain history i.e all the applications are submitted to YARN
cluster from the begining? 

> Cluster metrics are off after failover
> --------------------------------------
>
>                 Key: YARN-1705
>                 URL: https://issues.apache.org/jira/browse/YARN-1705
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.3.0
>            Reporter: Karthik Kambatla
>            Assignee: Rohith
>




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