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https://issues.apache.org/jira/browse/AMBARI-11992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14593191#comment-14593191
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Andrii Tkach commented on AMBARI-11992:
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committed to trunk and branch-2.1.0
> Hosts page responsiveness is severely impacted when metrics API responses are
> slow
> ----------------------------------------------------------------------------------
>
> Key: AMBARI-11992
> URL: https://issues.apache.org/jira/browse/AMBARI-11992
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-11992.patch
>
>
> We've seen that the Hosts page loads very slowly when metrics API calls are
> responding slowly. Under this condition, shutting down AMS makes the Hosts
> page responsive again.
> We should make Hosts page responsiveness independent of metrics API call
> latency by loading non-metric data and rendering the page first, and then
> lazy loading metrics info.
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