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https://issues.apache.org/jira/browse/AMBARI-16139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrii Tkach updated AMBARI-16139:
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Attachment: AMBARI-16139.patch
> 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
>
> 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
> behaving 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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