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From "Sreenath Somarajapuram (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5334) [YARN-3368] Introduce REFRESH button in various UI pages
Date Thu, 04 Aug 2016 10:45:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15407556#comment-15407556
] 

Sreenath Somarajapuram commented on YARN-5334:
----------------------------------------------

Thanks [~sunilg] & [~leftnoteasy]

Without unload: Existing record objects would be reused, and only values in them would be
updated.
With unload: Entity records would be deleted from store and recreated.

Our current components are just listening to the record thats passed into it, they don't listen
to change in values inside the record. So they would update only when the record change. Unloading
and then querying would ensure that the components are provided with new records, and thus
we can ensure that they are updating.

Current patch, unloads the records only when required. But probably for the time being, we
can unload all records to ensure that nothing left behind to refresh. Once the components
are made better, we can remove the unloads. But guess that refactoring can be done at a later
stage.

> [YARN-3368] Introduce REFRESH button in various UI pages
> --------------------------------------------------------
>
>                 Key: YARN-5334
>                 URL: https://issues.apache.org/jira/browse/YARN-5334
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: webapp
>            Reporter: Sunil G
>            Assignee: Sreenath Somarajapuram
>         Attachments: YARN-5334-YARN-3368-0001.patch
>
>
> It will be better if we have a common Refresh button in all pages to get the latest information
in all tables such as apps/nodes/queue etc.



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