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https://issues.apache.org/jira/browse/HADOOP-4435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646502#action_12646502
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Amar Kamat commented on HADOOP-4435:
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+1. Wondering if showing a percentage bar (graphical) along with the numerical
info makes sense. Just a thought.
> The JobTracker should display the amount of heap memory used
> ------------------------------------------------------------
>
> Key: HADOOP-4435
> URL: https://issues.apache.org/jira/browse/HADOOP-4435
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Priority: Minor
> Fix For: 0.20.0
>
> Attachments: clusterSummary.patch, clusterSummary.patch,
> clusterSummary2.patch, clusterSummary3.patch, clusterSummary4.patch
>
>
> It would be nice to make the JobTracker UI display the amount of heap memory
> currently in use. This is similar to the DFS UI that already displays the
> amount if heap memory used by the NameNode.
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