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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-430) Task stuck in cleanup with OutOfMemoryErrors
Date Wed, 26 Aug 2009 17:03:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amar Kamat updated MAPREDUCE-430:
---------------------------------

    Release Note: Various code paths in the framework caught Throwable and tried to do inline
cleanup. In case of OOM errors, such inline-cleanups can result into hung jvms. With this
fix, the TaskTracker provides a api to report fatal errors (any throwable other than FSErrror
and Exceptions). On catching a Throwable, Mapper/Reducer tries to inform the TT. 

> Task stuck in cleanup with OutOfMemoryErrors
> --------------------------------------------
>
>                 Key: MAPREDUCE-430
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-430
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amar Kamat
>             Fix For: 0.20.1
>
>         Attachments: MAPRED-430-v1.13-example.patch, MAPREDUCE-430-v1.11.patch, MAPREDUCE-430-v1.12-branch-0.20.patch,
MAPREDUCE-430-v1.12.patch, MAPREDUCE-430-v1.13-branch-0.20.patch, MAPREDUCE-430-v1.13.patch,
MAPREDUCE-430-v1.6-branch-0.20.patch, MAPREDUCE-430-v1.6.patch, MAPREDUCE-430-v1.7.patch,
MAPREDUCE-430-v1.8.patch
>
>
> Obesrved a task with OutOfMemory error, stuck in cleanup.

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