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From "Nishan Shetty (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-880) Configuring map/reduce memory equal to nodemanager's memory, hangs the job execution
Date Mon, 24 Jun 2013 14:22:20 GMT
Nishan Shetty created YARN-880:
----------------------------------

             Summary: Configuring map/reduce memory equal to nodemanager's memory, hangs the
job execution
                 Key: YARN-880
                 URL: https://issues.apache.org/jira/browse/YARN-880
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.0.1-alpha
            Reporter: Nishan Shetty
            Priority: Critical


Scenario:
=========
Cluster is installed with 2 Nodemanagers 

Configuraiton:

NM memory (yarn.nodemanager.resource.memory-mb): 8 gb
map and reduce memory : 8 gb
Appmaster memory: 2 gb

If map task is reserved on the same nodemanager where appmaster of the same job is running
then job execution hangs.

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