Andrii Tkach created AMBARI-16139:
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Summary: 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: 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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