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From "Kristam Subba Swathi (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-2945) Hive Client is hanging since MRApp Master doesnt exist after the task is finished
Date Wed, 11 Apr 2012 05:36:41 GMT
Hive Client is hanging since MRApp Master doesnt exist after the task is finished 
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                 Key: HIVE-2945
                 URL: https://issues.apache.org/jira/browse/HIVE-2945
             Project: Hive
          Issue Type: Bug
          Components: Clients
            Reporter: Kristam Subba Swathi


Submit a hive query which uses mapred to give the result(Say join query)
If we submit a job to resourceManager process. it will create a MRAppMaster process to excute
this task .
MRAppMaster will create YarnChild process to excute Map task or reduce task. 
after task is finished,resourceManager will kill MRAppMaster and YarnChild process.
When the hive client is about to get the progress from MRAppMaster ,the task is already finished
,so MRAppMaster process don't exist. so the client will try to connect it for ever.
that's why hive client hangs.



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