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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2702) [MR-279] OutputCommitter changes for MR Application Master recovery
Date Tue, 04 Oct 2011 08:26:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun C Murthy updated MAPREDUCE-2702:

    Status: Open  (was: Patch Available)

Oh, just realized that the app-attempt dir was outputPath/_temporary/${app-attempt-id} rather
than outputPath/_${app-attempt-id}, I'll fix that too.
> [MR-279] OutputCommitter changes for MR Application Master recovery
> -------------------------------------------------------------------
>                 Key: MAPREDUCE-2702
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2702
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: mrv2
>            Reporter: Sharad Agarwal
>            Assignee: Sharad Agarwal
>            Priority: Blocker
>         Attachments: MAPREDUCE-2702.patch, mr2702_v1.patch, mr2702_v2.patch, mr2702_v3.patch,
> In MR AM recovers from a crash, it only reruns the non completed tasks. The completed
tasks (along with their output, if any) needs to be recovered from the previous life. This
would require some changes in OutputCommitter.

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