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https://issues.apache.org/jira/browse/SPARK-6418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14370022#comment-14370022
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Kay Ousterhout commented on SPARK-6418:
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[~pwendell] [~sandyr] [~andrewor14] if any of you have feedback on this before
we get any further with the implementation, it would be much appreciated!
One consideration is what to do with stages that have a huge number of tasks,
in which case generating this visualization can be expensive. We were thinking
as a first cut, we can show only the first N tasks, or sample down to N tasks.
> 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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