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https://issues.apache.org/jira/browse/MAPREDUCE-1103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768089#action_12768089
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Jothi Padmanabhan commented on MAPREDUCE-1103:
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I forgot to add - the set of decommissionedTrackers is incorrect, it needs to
be done outside of the for loop.
> Additional JobTracker metrics
> -----------------------------
>
> Key: MAPREDUCE-1103
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1103
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.21.0
> Reporter: Arun C Murthy
> Assignee: Sharad Agarwal
> Fix For: 0.21.0
>
> Attachments: 1103.patch, 1103.patch, 1103_v1.patch, 1103_v2.patch,
> 1103_v3.patch
>
>
> It would be useful for tracking the following additional JobTracker metrics:
> running{map|reduce}tasks
> busy{map|reduce}slots
> reserved{map|reduce}slots
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