[jira] [Created] (AMBARI-21600) Grafana Kafka-Topic dashboard is forming incorrect url 'NaNundefined' appended

["JaySenSharma (JIRA)" <ji...@apache.org>]

JaySenSharma created AMBARI-21600:
-------------------------------------

             Summary: Grafana Kafka-Topic dashboard is forming incorrect url 'NaNundefined'  appended
                 Key: AMBARI-21600
                 URL: https://issues.apache.org/jira/browse/AMBARI-21600
             Project: Ambari
          Issue Type: Bug
          Components: ambari-metrics
    Affects Versions: trunk, 2.5.1
         Environment: all
            Reporter: JaySenSharma
            Assignee: JaySenSharma


- In Ambari 2.5.1 when we open the Grafana Dashboard then all other kafka graphs are working except "Kafka Topic".

- While debugging using 'Developer Console' we noticed that it is appending* 'NaNundefined'  *before the* "._avg&appId"*

*Example:*
{code}
http://amb25101:3000/api/datasources/proxy/1/ws/v1/timeline/metrics?metricNames=kafka.server.BrokerTopicMetrics.BytesInPerSec.topic..countNaNundefined._avg&appId=kafka_broker&startTime=1501211592&endTime=1501233192
{code}

Where as ideally it should be as following:
{code}
http://amb25101:3000/api/datasources/proxy/1/ws/v1/timeline/metrics?metricNames=kafka.server.BrokerTopicMetrics.BytesInPerSec.topic..count._avg&appId=kafka_broker&startTime=1501211592&endTime=1501233192
{code}




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