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https://issues.apache.org/jira/browse/HADOOP-3808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616526#action_12616526
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Suman Sehgal commented on HADOOP-3808:
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Verified it on branch 0.18.
On allocating clusters, HOD records JobTracker RPC port along with Name Node
URL and Job Tracker URL which is displayed under "notes" attribute of Torue
resource manger. It matches with the port no. generated under
"mapred.job.tracker" parameter of hadoop-site.xml.
> [HOD] Include job tracker RPC in notes attribute after job submission
> ---------------------------------------------------------------------
>
> Key: HADOOP-3808
> URL: https://issues.apache.org/jira/browse/HADOOP-3808
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/hod
> Affects Versions: 0.18.0
> Reporter: Hemanth Yamijala
> Assignee: Hemanth Yamijala
> Priority: Blocker
> Fix For: 0.18.0
>
> Attachments: HADOOP-3808.1.patch, HADOOP-3808.patch
>
>
> Currently, after a job is submitted, HOD records the Jobtracker URL and the
> NameNode URL in the 'notes' attribute of the Torque resource manager. This
> helps in building centralized administration tools that need to get a full
> picture of all allocated clusters etc. Including the Jobtracker RPC port in
> this attribute would be useful to build such similar tools. One of them is an
> idle job tracker that can be centrally run to clear up any clusters that
> aren't automatically cleaned up due to some faulty nodes in the cluster or
> resource manager problems.
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