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Posted to yarn-dev@hadoop.apache.org by "Srimanth Gunturi (JIRA)" <ji...@apache.org> on 2013/09/07 01:08:52 UTC

[jira] [Resolved] (YARN-1166) YARN 'appsFailed' metric should be of type 'counter'

     [ https://issues.apache.org/jira/browse/YARN-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Srimanth Gunturi resolved YARN-1166.
------------------------------------

    Resolution: Not A Problem

Turns out 'AppsFailed' should be interpreted as 'AppsFailing'. Its value is decremented when it is resubmitted in subsequent attempts.
                
> YARN 'appsFailed' metric should be of type 'counter'
> ----------------------------------------------------
>
>                 Key: YARN-1166
>                 URL: https://issues.apache.org/jira/browse/YARN-1166
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.1.0-beta
>            Reporter: Srimanth Gunturi
>
> Currently in YARN's queue metrics, the cumulative metric 'appsFailed' is of type 'guage' - which means the exact value will be reported. 
> All other cumulative queue metrics (AppsSubmitted, AppsCompleted, AppsKilled) are all of type 'counter' - meaning Ganglia will use slope to provide deltas between time-points.
> To be consistent, AppsFailed metric should also be of type 'counter'. 

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