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From "Andrii Tkach (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-3494) UI optimization: control configurations loading
Date Thu, 10 Oct 2013 13:54:41 GMT
Andrii Tkach created AMBARI-3494:
------------------------------------

             Summary: 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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