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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-6418) Add simple per-stage visualization to the UI
Date Thu, 19 Mar 2015 20:23:40 GMT

    [ https://issues.apache.org/jira/browse/SPARK-6418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14370042#comment-14370042
] 

Sean Owen commented on SPARK-6418:
----------------------------------

I like how it looks, sounds like a fairly simple thing to add in to the web-based front end
(i.e. not a lot of heavy rendering code to add to the Spark core), and this might be the best,
simple answer to various requests/attempts to add this to Spark.

> Add simple per-stage visualization to the UI
> --------------------------------------------
>
>                 Key: SPARK-6418
>                 URL: https://issues.apache.org/jira/browse/SPARK-6418
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Kay Ousterhout
>            Assignee: Kay Ousterhout
>         Attachments: Screen Shot 2015-03-18 at 6.13.04 PM.png
>
>
> Visualizing how tasks in a stage spend their time can be very helpful to understanding
performance.  Many folks have started using the visualization tools here: https://github.com/kayousterhout/trace-analysis
(see the README at the bottom) to analyze their jobs after they've finished running, but it
would be great if this functionality were natively integrated into Spark's UI.
> I'd propose adding a relatively simple visualization to the stage detail page, that's
hidden by default but that users can view by clicking on a drop-down menu.  The plan is to
implement this using D3; a mock up of how this would look (that uses D3) is attached.
> This is intended to be a much simpler and more limited version of SPARK-3468



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