[jira] [Created] (YARN-880) Configuring map/reduce memory equal to nodemanager's memory, hangs the job execution

["Nishan Shetty (JIRA)" <ji...@apache.org>]

Nishan Shetty created YARN-880:
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             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:
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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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