[jira] [Updated] (AMBARI-9800) 400-node cluster: Hosts page stuck in loading state

["Andrii Babiichuk (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-9800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrii Babiichuk updated AMBARI-9800:
-------------------------------------
    Attachment: AMBARI-9800.patch

> 400-node cluster: Hosts page stuck in loading state
> ---------------------------------------------------
>
>                 Key: AMBARI-9800
>                 URL: https://issues.apache.org/jira/browse/AMBARI-9800
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.0.0
>            Reporter: Andrii Babiichuk
>            Assignee: Andrii Babiichuk
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-9800.patch
>
>
> Go to hosts page.
> After loading hosts next request sent to server: /api/v1/clusters/c1?fields=Clusters/health_report,Clusters/total_hosts,alerts_summary_hosts&minimal_response=true
> but it fails as "cancelled", UI sends request every 6 seconds, regardless whether previous was finished or not, so server can't response in time as if number of calls growing.
> UI should make next call only when previous finished, should apply this approach to all pollings in ambari web to guarantee performance on big cluster.



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