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https://issues.apache.org/jira/browse/AMBARI-16139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261003#comment-15261003
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Hudson commented on AMBARI-16139:
---------------------------------
SUCCESS: Integrated in Ambari-branch-2.2 #676 (See
[https://builds.apache.org/job/Ambari-branch-2.2/676/])
AMBARI-16139. Duplicate Dashboard metrics API calls should not be made (jaimin:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=4bf0400b33a971389ac8851912fc3cfc5eeab028])
* ambari-web/app/controllers/global/update_controller.js
* ambari-web/test/views/common/chart/linear_time_test.js
* ambari-web/app/views/common/chart/linear_time.js
> Duplicate Dashboard metrics API calls should not be made in parallel
> --------------------------------------------------------------------
>
> Key: AMBARI-16139
> URL: https://issues.apache.org/jira/browse/AMBARI-16139
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.2
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 2.4.0, 2.2-next
>
> Attachments: AMBARI-16139.patch, Screen Shot 2016-04-26 at 1.37.01
> PM.png
>
>
> Graphs on Cluster dashboard page keeps making API calls irrespective of the
> previous APIs call have completed or not. Thus on a cluster where AMS is
> misbehaving there are multiple same API calls in pending state and results
> into ambari-server unresponsive.
> For Graph widgets, ajax calls should be made from the complete callback
> function of the same ajax call. so until an ajax call is not finished, the
> same ajax is not triggered again
> we do this in correct way for enhanced service dashboard on service summary
> page
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