When a hostname is not specified, AMS returns data aggregated across all hosts/appId that send this metric. The aggregation happens every 2 mins, creating 4 x 30 second aggregates per iteration. Add the following query parameter to your curl URL. &hostname=<resourcemanager_host> This should return most recent data. ... View more

@ARUN Based on the logs, it seems one or more components are flooding the system with too many metrics. It could be the cluster HBase Service. Can you check if the last 2 lines in the files mentioned in https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.0.0/bk_ambari_reference_guide/content/_enabling_hbase_region_and_table_metrics.html are not commented out? The last 2 lines should look like this (and should not be commented out). *.source.filter.class=org.apache.hadoop.metrics2.filter.GlobFilter hbase.*.source.filter.exclude=*Regions* Restart HBase Service after these changes. Also, for a 30 node cluster, AMS should work fine with embedded mode, writing data to local disk. Your cluster AMS is configured to distributed mode where AMS HBase writes to cluster HDFS. Do you have a local datanode on Metrics collector host? ... View more

Grafana has a concept of Organizations & Users, and can be managed through the Grafana UI. You can create new orgs, assign user to orgs, give users viewer/editor/admin privileges. Check out the Grafana Admin option in the left pane. ... View more