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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-18185) Selecting one host when topN is set, throws an error
Date Thu, 15 Sep 2016 00:40:21 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-18185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491915#comment-15491915
] 

Hudson commented on AMBARI-18185:
---------------------------------

FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #5673 (See [https://builds.apache.org/job/Ambari-trunk-Commit/5673/])
AMBARI-18185 : Selecting one host when topN is set, throws an error. (avijayan: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=4a099342c1b5a8c1b7dbf77fda3ef0f24bfd26cd])
* (edit) ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/HBaseTimelineMetricStore.java


> 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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