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From "Andrii Tkach (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-11992) Hosts page responsiveness is severely impacted when metrics API responses are slow
Date Thu, 18 Jun 2015 12:35:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-11992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrii Tkach updated AMBARI-11992:
----------------------------------
    Attachment: AMBARI-11992.patch

> 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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