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From ". ." <mmbox...@outlook.com>
Subject Not all metrics are populating‏
Date Tue, 23 Sep 2014 14:51:14 GMT



[Ambari 1.6.1, HDP 2.1, CentOS 6.5, multi-node cluster]On a fresh install, not all metrics
are getting populated in Ambari. Some of the missing metrics include:Dashboard: Namenode CPU
WIO (displays "n/a" instead)HDFS: All metrics except HDFS I/O (displays "No Data. There was
no data available Possible reasons include inaccessible Ganglia service")YARN: All metrics
(displays "No Data. There was no data available Possible reasons include inaccessible Ganglia
service")The ideas suggested in the following two threads have not helped to resolve the issue:Hortonworks
forum post Ambari mailing list post ambari-server.log shows the following warnings and errors
(/var/log/messages has no Ganglia specific errors):16:12:52,905 WARN [Thread-1] HeartbeatMonitor:126
- Heartbeat lost from host localhost.localdomain16:13:28,435 ERROR [pool-1-thread-6163] JMXPropertyProvider:540
- Caught exception getting JMX metrics : Server returned HTTP response code: 500 for URL:
http://namenode.localdomain:8745/api/cluster/summaryAny suggestions on how to identify the
cause and resolve this issue ?Thanks.Note: Cross-posted to Hortonworks forums.
 		 	   		  
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