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https://issues.apache.org/jira/browse/HADOOP-5514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682941#action_12682941
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Chris Douglas commented on HADOOP-5514:
---------------------------------------
Committed to 0.20 as well, since this fixes HADOOP-5499, a regression in the
metrics.
> Add waiting/failed tasks to JobTracker metrics
> ----------------------------------------------
>
> Key: HADOOP-5514
> URL: https://issues.apache.org/jira/browse/HADOOP-5514
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred, metrics
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Fix For: 0.20.0
>
> Attachments: 5514-0.patch
>
>
> In addition to launched and completed tasks, it would be helpful if the
> number of waiting tasks and failed tasks were accumulated as metrics.
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