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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3921) MR AM should act on the nodes liveliness information when nodes go up/down/unhealthy
Date Thu, 07 Jun 2012 20:40:24 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun C Murthy updated MAPREDUCE-3921:

    Status: Open  (was: Patch Available)

Sorry to come in late.
Some clarifications:
# MR1 JT kills all running tasks on a TT when it's deemed 'lost'.
# It also kills all completed maps on that TT for 'active' jobs.
# The tasks are marked KILLED rather than FAILED and thus don't count towards the job, which
is correct since it wasn't the job's fault.

Hope this helps.
> MR AM should act on the nodes liveliness information when nodes go up/down/unhealthy
> ------------------------------------------------------------------------------------
>                 Key: MAPREDUCE-3921
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3921
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Bikas Saha
>             Fix For: 0.23.2
>         Attachments: MAPREDUCE-3921-1.patch, MAPREDUCE-3921-3.patch, MAPREDUCE-3921-4.patch,
MAPREDUCE-3921-5.patch, MAPREDUCE-3921-6.patch, MAPREDUCE-3921-7.patch, MAPREDUCE-3921-branch-0.23.patch,
MAPREDUCE-3921-branch-0.23.patch, MAPREDUCE-3921-branch-0.23.patch, MAPREDUCE-3921.patch

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