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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5196) CheckpointAMPreemptionPolicy implements preemption in MR AM via checkpointing
Date Sat, 28 Dec 2013 21:59:50 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated MAPREDUCE-5196:
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 3.0.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

I committed this. Thanks, Carlo

> CheckpointAMPreemptionPolicy implements preemption in MR AM via checkpointing 
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5196
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5196
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mr-am, mrv2
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-5196.1.patch, MAPREDUCE-5196.2.patch, MAPREDUCE-5196.3.patch,
MAPREDUCE-5196.patch, MAPREDUCE-5196.patch
>
>
> This JIRA tracks a checkpoint-based AM preemption policy. The policy handles propagation
of the preemption requests received from the RM to the appropriate tasks, and bookeeping of
checkpoints. Actual checkpointing of the task state is handled in upcoming JIRAs.



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