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Posted to dev@hive.apache.org by "Shuaishuai Nie (JIRA)" <ji...@apache.org> on 2013/09/18 21:11:52 UTC

[jira] [Updated] (HIVE-4755) Fix Templeton map-only tasks are getting killed after 10 minutes by MapReduce

     [ https://issues.apache.org/jira/browse/HIVE-4755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shuaishuai Nie updated HIVE-4755:
---------------------------------

    Assignee: Shuaishuai Nie
    
> Fix Templeton map-only tasks are getting killed after 10 minutes by MapReduce
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-4755
>                 URL: https://issues.apache.org/jira/browse/HIVE-4755
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Shuaishuai Nie
>            Assignee: Shuaishuai Nie
>         Attachments: HIVE-4755.1.patch
>
>
> All mapreduce tasks are supposed to report progress back to MR framework, otherwise, if there is no progress in 10 minutes (by default), TT will kill the task.
> Templeton map-only task has a KeepAlive thread that is supposed to periodically report the progress and keep the launcher alive, however this does not seem to work as expected.

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