[AMBARI-11184] AMS: Incorrect value obtained for a datapoint in the metric data series queried from AMS

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.0
• Component/s: ambari-metrics
• Epic Link: Enhanced Service Dashboard
• Assignee: Siddharth Wagle
• Reporter: Siddharth Wagle
• Created: 15/May/15 19:43
• Updated: 18/May/15 22:02
• Resolved: 18/May/15 20:15

Description

API query

http://104.196.88.124:8080/api/v1/clusters/c1/services/YARN/components/RESOURCEMANAGER?fields=metrics/yarn/ClusterMetrics/NumActiveNMs._sum[1431372267,1431375867,15]&_=1431375867 

Above is an API to return series data for number of active nodemanagers in the asked time interval. Although the cluster has only 1 nodemanager installed, a specific datapoint had 2 as a value which is incorrect.
NOTE: Since there is only 1 nodemanager installed, the valid set of values at any time is {0,1}.

Issue Links

• links to: Review board