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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-4819) SLS requested containers are never allocated for NODE_LOCAL and RACK_LOCAL type
Date Tue, 15 Mar 2016 07:39:33 GMT

     [ https://issues.apache.org/jira/browse/YARN-4819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith Sharma K S reassigned YARN-4819:
---------------------------------------

    Assignee:     (was: Rohith Sharma K S)

> SLS requested containers are never allocated for NODE_LOCAL and RACK_LOCAL type
> -------------------------------------------------------------------------------
>
>                 Key: YARN-4819
>                 URL: https://issues.apache.org/jira/browse/YARN-4819
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler-load-simulator
>            Reporter: Rohith Sharma K S
>
> SLS requested containers are always assigned in off-switch mode. And scheduler will never
allocate any containers for Node-Local and Rack-local mode. 
> The reason for the above behavior is parsing of jobinput file for container host and
rack. The input given in job file for rack and node is like below.
> {code}"container.host" : "/default-rack/node1",{code}. But after parsing , the resource
request sent for rack is "default-rack" which misses slash('/'). While container allocation
during node heartbeat , node rack  name is resolved for rack which is */default-rack* with
which look up for resource request for this rack returns null. So, All the requests are assigned
to off-switch.



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