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Date: Wed, 28 Aug 2013 17:45:18 +0000 (UTC)
From: "Steve Loughran (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12612682.1350655534247.47968.1377711918568@arcas>
In-Reply-To: <JIRA.12612682.1350655534247@arcas>
References: <JIRA.12612682.1350655534247@arcas>
Subject: [jira] [Commented] (YARN-173) Page navigation support for container
 logs page
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    [ https://issues.apache.org/jira/browse/YARN-173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13752616#comment-13752616 ] 

Steve Loughran commented on YARN-173:
-------------------------------------

I'm marking as relates YARN-1111 rather than duplicates it, because that JIRA notes how performance of the servlet collapses if the file is big -almost a minute to get that trailing few lines. Even if the GUI adds start and end points, the servlet needs to handle paging into a file more efficiently. 
                
> Page navigation support for container logs page
> -----------------------------------------------
>
>                 Key: YARN-173
>                 URL: https://issues.apache.org/jira/browse/YARN-173
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.0.2-alpha, 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Omkar Vinit Joshi
>              Labels: usability
>
> ContainerLogsPage and AggregatedLogsBlock both support {{start}} and {{end}} parameters which are a big help when trying to sift through a huge log.  However it's annoying to have to manually edit the URL to go through a giant log page-by-page.  It would be very handy if the web page also provided page navigation links so flipping to the next/previous/first/last chunk of log is a simple click away.  Bonus points for providing a way to easily change the size of the log chunk shown per page.

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