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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-19320) Additional query support for HDFS TopN metrics
Date Thu, 05 Jan 2017 00:07:58 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-19320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15799774#comment-15799774
] 

Hudson commented on AMBARI-19320:
---------------------------------

FAILURE: Integrated in Jenkins build Ambari-branch-2.5 #639 (See [https://builds.apache.org/job/Ambari-branch-2.5/639/])
AMBARI-19320 : Additional query support for HDFS TopN metrics (Commit 2) (avijayan: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=7e844df4d6ace55ead09ea44584b9037b7b4e943])
* (edit) ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/PhoenixHBaseAccessor.java


> Additional query support for HDFS TopN metrics
> ----------------------------------------------
>
>                 Key: AMBARI-19320
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19320
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-metrics
>    Affects Versions: 2.5.0
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-19320-2.patch, AMBARI-19320.patch
>
>
> We need to support the following query to render required graphs in Grafana for HDFS-
TopN dashboard.
> * dfs.NNTopUserOpCounts.windowMs=150000.op=*.user=%
> Currently, a Null Pointer Exception is thrown for the query. 
> {code}
> 2016-12-28 22:30:24,614 WARN org.apache.hadoop.yarn.webapp.GenericExceptionHandler: INTERNAL_SERVER_ERROR
> java.lang.NullPointerException
> 	at org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.PhoenixHBaseAccessor.appendMetricFromResultSet(PhoenixHBaseAccessor.java:867)
> 	at org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.PhoenixHBaseAccessor.getMetricRecords(PhoenixHBaseAccessor.java:782)
> 	at org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.HBaseTimelineMetricStore.getTimelineMetrics(HBaseTimelineMetricStore.java:255)
> 	at org.apache.hadoop.yarn.server.applicationhistoryservice.webapp.TimelineWebServices.getTimelineMetrics(TimelineWebServices.java:359)
> 	at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> {code}



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