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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:27:11 UTC

[jira] [Updated] (MAPREDUCE-5269) Preemption of Reducer (and Shuffle) via checkpointing

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated MAPREDUCE-5269:
----------------------------------------
    Labels: BB2015-05-TBR  (was: )

> Preemption of Reducer (and Shuffle) via checkpointing
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-5269
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5269
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>              Labels: BB2015-05-TBR
>         Attachments: MAPREDUCE-5269.2.patch, MAPREDUCE-5269.3.patch, MAPREDUCE-5269.4.patch, MAPREDUCE-5269.5.patch, MAPREDUCE-5269.6.patch, MAPREDUCE-5269.7.patch, MAPREDUCE-5269.patch
>
>
> This patch tracks the changes in the task runtime (shuffle, reducer context, etc.) that are required to implement checkpoint-based preemption of reducer tasks.



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