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From "Andrii Tkach (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-3246) Cluster services/status mappers take 5 times the amount of time on Dashboard/service pages
Date Mon, 16 Sep 2013 11:45:54 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-3246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrii Tkach updated AMBARI-3246:
---------------------------------

    Attachment: AMBARI-3246.patch
    
> Cluster services/status mappers take 5 times the amount of time on Dashboard/service
pages
> ------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-3246
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3246
>             Project: Ambari
>          Issue Type: Task
>          Components: client
>    Affects Versions: 1.4.0
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-3246.patch
>
>
> On a 100 node cluster, both the services_mapper and status_mapper calls take like 200ms
on the Admin page (no UI dependent on the data). If I switch to the Dashboard or the services
page, the time now becomes atleast 1s or 2s sometimes.
> We need to make sure that UI is not being updated inline, but is batched after mapping
is completed. These methods are the most called, and should be most performance efficient.

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