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From "Aravindan Vijayan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-18185) Selecting one host when topN is set, throws an error
Date Wed, 17 Aug 2016 18:42:20 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-18185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aravindan Vijayan updated AMBARI-18185:
---------------------------------------
    Attachment: AMBARI-18185.patch

> 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



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