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https://issues.apache.org/jira/browse/MAPREDUCE-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-2708:
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Attachment: MAPREDUCE-2708-20111021.txt
*sigh* Downside of the great velocity for 0.23. The patch needed a *lot* of
effort to upmerge again. I did it anyways, given you are finding it hard to get
some time. Fixed a couple of trivial bugs along.
Sharad, I can take it from here - testing on cluster etc before commit.
The patch looks good overall. +1. We just need to replace the
Application_AttemptID_Env with ContainerId_Env to be consistent with
AMContainer, but I'd like to do that separately. Don't want this patch to go
stale again given my experience with the update.
Oh and you sir! You write extremely beautiful tests. Elated, thanks!
> [MR-279] Design and implement MR Application Master recovery
> ------------------------------------------------------------
>
> Key: MAPREDUCE-2708
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2708
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: applicationmaster, mrv2
> Affects Versions: 0.23.0
> Reporter: Sharad Agarwal
> Assignee: Sharad Agarwal
> Priority: Blocker
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2708-20111021.txt, mr2708_v1.patch,
> mr2708_v2.patch
>
>
> Design recovery of MR AM from crashes/node failures. The running job should
> recover from the state it left off.
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