It worked. Thanks a ton Jay Kumar SenSharma . appreciate the patience from your side ... View more

the ambari-metric-monitor has following log 2018-04-05 00:07:04,749 [INFO] controller.py:110 - Adding event to cache, : {u'metrics': [], u'collect_every': u'15'} 2018-04-05 00:07:04,749 [INFO] main.py:65 - Starting Server RPC Thread: /usr/lib/python2.6/site-packages/resource_monitoring/main.py start 2018-04-05 00:07:04,749 [INFO] controller.py:57 - Running Controller thread: Thread-1 2018-04-05 00:07:04,750 [INFO] emitter.py:45 - Running Emitter thread: Thread-2 2018-04-05 00:07:04,750 [INFO] emitter.py:65 - Nothing to emit, resume waiting. 2018-04-05 00:08:04,752 [WARNING] emitter.py:74 - Error sending metrics to server. 'NoneType' object has no attribute 'strip' 2018-04-05 00:08:04,752 [WARNING] emitter.py:80 - Retrying after 5 ... ... View more

Jay Kumar SenSharma ♦ Hi jay . So I removed the service and added it again through teh ambari web ui. Still one of the hosts does not generate any metrics. other host displays the graphs and everything. What might be the problem here? ... View more

Jay Kumar SenSharma there is no option of delete even after service is stopped, Just restart and move ... View more

Yep of course. I do not have much ams data and I think to delete it completely and reinstall it will be the better option. Not sure how to do it though ... View more

And if tried from hdfs user , It does not return any output ... View more

HI I tried the curl command for removing it it returned the following error { "status" : 500, "message" : "org.apache.ambari.server.controller.spi.SystemException: An inter nal system exception occurred: Host Component cannot be removed, clusterName=Qc, serviceName=AMBARI_METRICS, componentName=METRICS_MONITOR, hostname= itxcqchdp01.catmdev.com, request={ clusterName=CardtronicsQc, serviceName=AMBARI _METRICS, componentName=METRICS_MONITOR, hostname=itxcqchdp01.catmdev.com, desir edState=null, state=null, desiredStackId=null, staleConfig=null, adminState=null }" The problem seems to be on the main host itself ... View more

Hi jay , The delete option for ams monitor is disabled in the ambari UI . How should I go about deleting it and reinstalling it again? ... View more

One other thing , The data for metrics is unavailable for only one master host. For the other host the graphs are visible ... View more

I tried the commannd you mentioned and it returned following value ambari-metrics-collector-2.1.0-1470.x86_64 ambari-metrics-monitor-2.1.0-1470.x86_64 ambari-server-2.2.2.0-460.x86_64 ambari-metrics-hadoop-sink-2.1.0-1470.x86_64 ambari-agent-2.2.2.0-460.x86_64 And if i had to remove the process and try installing again, How would I go about doing it? ... View more