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Posted to mapreduce-dev@hadoop.apache.org by "lachisis (JIRA)" <ji...@apache.org> on 2015/12/18 08:22:46 UTC

[jira] [Reopened] (MAPREDUCE-6570) logs in MRAppMasterShutdownHook can not be output, beacuse Hook of Tasklog will be called to shutdown LogManager previously

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

lachisis reopened MAPREDUCE-6570:
---------------------------------

> logs in  MRAppMasterShutdownHook can not be output, beacuse Hook of Tasklog will be called to shutdown LogManager previously
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6570
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6570
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 2.5.0, 2.6.0, 2.7.0
>            Reporter: lachisis
>            Assignee: lachisis
>         Attachments: MAPREDUCE-6570-1.patch, MAPREDUCE-6570-2.patch, MAPREDUCE-6570-3.patch
>
>
> priority of MRAppMasterShutdownHook  is 30, while priority of TaskLogHook is 50. 
> when a applicationMaster received a signal to shutdown, actually TaskLogHook  will be called first. Then when MRAppMasterShutdownHook  be called next, no logs can be output.



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