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From "Augusto Souza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5269) Preemption of Reducer (and Shuffle) via checkpointing
Date Fri, 09 Jan 2015 00:12:35 GMT

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

Augusto Souza updated MAPREDUCE-5269:
-------------------------------------
    Attachment: MAPREDUCE-5269.5.patch

Trying to fix errors reported by dev-support/test-patch.sh

> 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
>         Attachments: MAPREDUCE-5269.2.patch, MAPREDUCE-5269.3.patch, MAPREDUCE-5269.4.patch,
MAPREDUCE-5269.5.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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