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https://issues.apache.org/jira/browse/MAPREDUCE-1048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12768719#action_12768719
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Hemanth Yamijala commented on MAPREDUCE-1048:
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Another issue is about the jobtracker.jspx which now is (almost) a copy of
jobtracker.jsp. It seems a little odd that we must update the pages
independently to keep them in sync. Also, since jobtracker.jspx returns data in
an XML format, I am not sure if it is intended to be used as an interface. In
that case, things could break if changes are made to it. I am thinking we
should update the jobtracker.jspx in a separate JIRA after confirming that
users who are using it actually are OK with the change. Also in that JIRA we
could figure ways of avoiding having to make changes to both jsp pages by
sharing code.
> Show total slot usage in cluster summary on jobtracker webui
> ------------------------------------------------------------
>
> Key: MAPREDUCE-1048
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1048
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.20.1
> Reporter: Amar Kamat
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
> Attachments: mapred-1048-v1.0.patch, mapred-1048-v1.1.patch,
> patch-1048-0.20.txt, patch-1048-1.txt, patch-1048-2.txt, patch-1048-3.txt,
> patch-1048-4.txt, patch-1048-5.txt, patch-1048-6.txt, patch-1048-ydist.txt,
> patch-1048.txt
>
>
> With High-Ram jobs coming into the picture, its important to also show the
> slot usage in cluster summary since total-running-maps <
> total-slots-occupied.
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