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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4346) Adding a refined version of JobTracker.getAllJobs() and exposing through the JobClient
Date Tue, 26 Jun 2012 03:28:45 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-4346:
-------------------------------------

    Status: Open  (was: Patch Available)

Ahmed, what is the use case? It's not your fault, but the API signature seems very odd for
us to add as a public API to the JobClient, particularly since it's going to be hard to support
this for YARN as a public api.
                
> Adding a refined version of JobTracker.getAllJobs() and exposing through the JobClient
> --------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4346
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4346
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>         Attachments: MAPREDUCE-4346.patch, MAPREDUCE-4346_rev2.patch, MAPREDUCE-4346_rev3.patch
>
>
> The current implementation for JobTracker.getAllJobs() returns all submitted jobs in
any state, in addition to retired jobs. This list can be long and represents an unneeded overhead
especially in the case of clients only interested in jobs in specific state(s). 
> It is beneficial to include a refined version where only jobs having specific statuses
are returned and retired jobs are optional to include. 
> I'll be uploading an initial patch momentarily.

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