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Posted to yarn-issues@hadoop.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2014/11/07 14:36:33 UTC

[jira] [Commented] (YARN-2828) Enable auto refresh of web pages (using http parameter)

    [ https://issues.apache.org/jira/browse/YARN-2828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14202033#comment-14202033 ] 

Thomas Graves commented on YARN-2828:
-------------------------------------

auto refresh was removed because some pages load a lot of data and you actually may not want it to update.  It can make debugging harder if you are looking at a lot of data and the screen keeps refreshing on you.

I think the only way to bring it back is to make it optional.

> Enable auto refresh of web pages (using http parameter)
> -------------------------------------------------------
>
>                 Key: YARN-2828
>                 URL: https://issues.apache.org/jira/browse/YARN-2828
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Tim Robertson
>            Priority: Minor
>
> The MR1 Job Tracker had a useful HTTP parameter of e.g. "&refresh=3" that could be appended to URLs which enabled a page reload.  This was very useful when developing mapreduce jobs, especially to watch counters changing.  This is lost in the the Yarn interface.
> Could be implemented as a page element (e.g. drop down or so), but I'd recommend that the page not be more cluttered, and simply bring back the optional "refresh" HTTP param.  It worked really nicely.



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