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Posted to mapreduce-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2011/02/27 12:52:58 UTC

[jira] Commented: (MAPREDUCE-2089) JobToken should be passed over RPC

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999942#comment-12999942 ] 

Hadoop QA commented on MAPREDUCE-2089:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12455873/mr-2089.patch
  against trunk revision 1074251.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 39 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/65//console

This message is automatically generated.

> JobToken should be passed over RPC
> ----------------------------------
>
>                 Key: MAPREDUCE-2089
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2089
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client, job submission, jobtracker, security, task, tasktracker
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>         Attachments: mr-2089.patch, mr-2089.patch
>
>
> JobToken file is currently created by the JobTracker, and stored in the HDFS. Later on, the TaskTrackers pull that file from the HDFS as part of job localization. The HDFS operations can be avoided if the the jobToken file is passed over RPC (Jobclient -> JobTracker -> TaskTrackers).

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