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Posted to dev@ambari.apache.org by "Tom Beerbower (JIRA)" <ji...@apache.org> on 2014/01/23 16:09:37 UTC

[jira] [Created] (AMBARI-4394) Temporal Host metrics can get overwritten.

Tom Beerbower created AMBARI-4394:
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             Summary: Temporal Host metrics can get overwritten. 
                 Key: AMBARI-4394
                 URL: https://issues.apache.org/jira/browse/AMBARI-4394
             Project: Ambari
          Issue Type: Bug
            Reporter: Tom Beerbower
            Assignee: Tom Beerbower


If the response for Host metrics from rrd.py (Ganglia metrics) contains an empty response for a Ganglia cluster type, the empty response may overwrite valid metrics.  For example, if a host has only slave components it may still produce an empty rrd file for HDPNameNode.  If it exists, the empty results may overwrite the valid results from the HDPSlaves rrd files.   



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