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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1048) Show total slot usage in cluster summary on jobtracker webui
Date Tue, 20 Oct 2009 05:31:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767696#action_12767696
] 

Sharad Agarwal commented on MAPREDUCE-1048:
-------------------------------------------

Changes look good to me. Minor comments:
Would be better if we rename JobTracker#updateReservations to JobTracker#incrReservations
In the jsp, all slot info should be together. We can move occupied/reserved slot info after
Nodes column

> 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.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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