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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1279) "mapred queue -list" will unnecessarily download JobStatus information also
Date Wed, 09 Dec 2009 10:44:18 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788026#action_12788026
] 

Vinod K V commented on MAPREDUCE-1279:
--------------------------------------

  Adding a new API {{Cluster.getRootQueues(boolean giveJobsInfo)}} which will let JT return
_only_ queue-objects without the jobs' information will help.

> "mapred queue -list" will unnecessarily download JobStatus information also
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1279
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1279
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client, jobtracker
>            Reporter: Vinod K V
>
> "mapred queue -list" does a Cluster.getRootQueues() and thus will download the entire
queue-hierarchy _including_ all the (potentially large number of) jobs' information. This
is not needed and avoiding it can significantly lower the data transferred from JT.

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