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Siddharth Wagle commented on AMBARI-18185: ------------------------------------------ +1 LGTM > Selecting one host when topN is set, throws an error > ---------------------------------------------------- > > Key: AMBARI-18185 > URL: https://issues.apache.org/jira/browse/AMBARI-18185 > Project: Ambari > Issue Type: Bug > Components: ambari-metrics > Affects Versions: 2.4.0 > Reporter: Aravindan Vijayan > Assignee: Aravindan Vijayan > Priority: Critical > Fix For: 2.5.0 > > Attachments: AMBARI-18185.patch > > > topN is available by default on almost all Grafana templatized dashboards. > When viewing any of these dashboards, if only one "host" or templated option > is chosen, then AMS returns with an exception (screenshot attached). > Sample query: > collectorhost:6188/ws/v1/timeline/metrics?metricNames=cpu_system._avg&hostname=hostname&appId=HOST&startTime=1470925360&endTime=1470946960&topN=20&topNFunction=avg&isBottomN=false -- This message was sent by Atlassian JIRA (v6.3.4#6332)