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https://issues.apache.org/jira/browse/MAPREDUCE-2795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13124055#comment-13124055
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Vinod Kumar Vavilapalli commented on MAPREDUCE-2795:
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That is by design. In case of mapreduce running over YARN, as of now, one
mapreduce job is mapped to one YARN application. So, if the application has not
yet started running, we kill the application itself so as to not start the job
(the AM precisely). In which case, YARN duely increments the killedApps metric,
correctly.
> [MR-279] AppsKilled is never incremented
> ----------------------------------------
>
> Key: MAPREDUCE-2795
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2795
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Ramya Sunil
> Assignee: Devaraj K
> Priority: Blocker
> Fix For: 0.23.0, 0.24.0
>
> Attachments: MAPREDUCE-2795.patch
>
>
> AppsKilled metrics is never incremented even though there are killed jobs in
> the system.
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