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https://issues.apache.org/jira/browse/MAPREDUCE-1779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12866487#action_12866487
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dhruba borthakur commented on MAPREDUCE-1779:
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1. Does this mean that the webUi will not show the JT memory usage anymore?
2. There are applications that are using this information currently exposed via
the ClusterStatus API? is there an alternative way to retrieving them?
> Should we provide a way to know JobTracker's memory info from client?
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-1779
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1779
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client, jobtracker
> Affects Versions: 0.21.0
> Reporter: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
>
> In HADOOP-4435, in branch 0.20, getClusterStatus() method returns
> JobTracker's used memory and total memory.
> But these details are missed in new api (through MAPREDUCE-777).
> If these details are needed only for web UI, I don't think they are needed
> for client.
> So, should we provide a way to know JobTracker's memory info from client?
> If yes, an api should be added in org.apache.hadoop.mapreduce.Cluster for the
> same.
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