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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-173) Page navigation support for container logs page
Date Wed, 28 Aug 2013 17:45:18 GMT

    [ 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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