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From "Greg Roelofs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2405) MR-279: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2)
Date Sat, 26 Mar 2011 05:46:05 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Greg Roelofs updated MAPREDUCE-2405:
------------------------------------

    Attachment: MR-2405-MR-1220-yarn.v8.MR-279-hadoop-yarn.patch.txt

Preliminary patch:  still full of debug noise, FIXMEs, TODOs, etc., but reasonably functional
at the level of current testing.

This passes all current unit tests except testFailingMapper() in TestMRJobs, and even that
one basically works except for an Avro NPE after the job completes and the AM shuts down.

> MR-279: Implement uber-AppMaster (in-cluster LocalJobRunner for MRv2)
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2405
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2405
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: Mahadev konar
>            Assignee: Greg Roelofs
>             Fix For: 0.23.0
>
>         Attachments: MR-2405-MR-1220-yarn.v8.MR-279-hadoop-yarn.patch.txt
>
>
> "Port" MAPREDUCE-1220 to MRv2.  This is an optimization for small jobs wherein all tasks
run on the same node in the same JVM/container.

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