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From "Raghu Udiyar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-18354) Rack Awareness does not work for Nodemanager only node
Date Sun, 11 Sep 2016 10:10:20 GMT
Raghu Udiyar created AMBARI-18354:
-------------------------------------

             Summary: Rack Awareness does not work for Nodemanager only node
                 Key: AMBARI-18354
                 URL: https://issues.apache.org/jira/browse/AMBARI-18354
             Project: Ambari
          Issue Type: Bug
            Reporter: Raghu Udiyar


The topology data is updated only for instances with DataNode component, and not for NodeManager
component. If we add compute only node with no HDFS, the rack awareness does not get enabled
for that node.

I see that the topology_mappings.data.j2 template (https://github.com/apache/ambari/blob/trunk/ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/templates/topology_mappings.data.j2)
checks if the host is a `slave_host`. We should add NodeManager component nodes in this list
as well if appropriate, or add another check there.



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