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From "Andrii Tkach (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-3494) UI optimization: control configurations loading
Date Thu, 10 Oct 2013 13:54:45 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-3494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrii Tkach updated AMBARI-3494:
---------------------------------

    Attachment: AMBARI-3494.patch

> UI optimization: control configurations loading
> -----------------------------------------------
>
>                 Key: AMBARI-3494
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3494
>             Project: Ambari
>          Issue Type: Task
>          Components: client
>    Affects Versions: 1.4.2
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>             Fix For: 1.4.2
>
>         Attachments: AMBARI-3494.patch
>
>
> In different places configs are loaded for some types(core-site, mapred-site, etc.),
The idea is to store them into localdb. On first load we check if there is configs for this
type if no then request server and put them into localdb, otherwise check the whether tags
version have changed, if so then request server as well, in rest cases we load configs from
local storage. Also preserve advanced configs, since they immutable we need to load them only
one time. To implement this: create configController in global controllers dir and operate
storing, requesting, verifying configs via that controller.



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