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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10090) Jobtracker metrics not updated properly after execution of a mapreduce job
Date Mon, 18 Nov 2013 17:39:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13825516#comment-13825516
] 

Luke Lu commented on HADOOP-10090:
----------------------------------

bq. doing only the backport is not enough, the bug from this Jira will remain. 

I must be missing something obvious. Why would the bug remain if lastRecs always contains
a complete snapshot?

> Jobtracker metrics not updated properly after execution of a mapreduce job
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-10090
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10090
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 1.2.1
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>         Attachments: HADOOP-10090.branch-1.2.patch, HADOOP-10090.branch-1.3.patch, HADOOP-10090.branch-1.patch,
OneBoxRepro.png
>
>
> After executing a wordcount mapreduce sample job, jobtracker metrics are not updated
properly. Often times the response from the jobtracker has higher number of job_completed
than job_submitted (for example 8 jobs completed and 7 jobs submitted). 
> Issue reported by Toma Paunovic.



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