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From "Koji Noguchi (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-1233) Incorrect Waiting maps/reduces in Jobtracker metrics
Date Thu, 15 Mar 2012 22:18:38 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230633#comment-13230633

Koji Noguchi commented on MAPREDUCE-1233:

bq. However, I'm not sure how the patch is related to "Waiting" metrics. This only touches
failedMap&failedReduce metrics.

Please ignore this comment.  I now see that metrics.failedMap()/failedReduce() calls updates
the waiting metrics inside.
So we can close this as fixed/committed? 
(Although we are still seeing incorrect metrics reported in MAPREDUCE-1238)
> Incorrect Waiting maps/reduces in Jobtracker metrics 
> -----------------------------------------------------
>                 Key: MAPREDUCE-1233
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1233
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>            Reporter: V.Karthikeyan
>            Assignee: Luke Lu
>         Attachments: mr-1233-y20s-v1.patch, mr-1233-y20s-v2.patch
> Waiting Maps/Reduces are incorrect in Jobtracker metrics when a job fails. when a map/reduce
fails(during job failure), waiting maps/reduce got incremented and doesn't get decremented
even after job cleanup.

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