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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-6418) Add simple per-stage visualization to the UI
Date Fri, 20 Mar 2015 21:43:40 GMT

    [ https://issues.apache.org/jira/browse/SPARK-6418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372178#comment-14372178
] 

Sandy Ryza commented on SPARK-6418:
-----------------------------------

Yeah, all of that is wishful thinking, definitely not requirements for a first version.  Dealing
with huge numbers of tasks, as you mentioned, seems to me like a requirement for a first cut,
and something like just taking the first N seems sufficient to me. 

> 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
>          Components: Web UI
>            Reporter: Kay Ousterhout
>            Assignee: Pradyumn Shroff
>         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.  One
change we'll make for the initial implementation, compared to the attached visualization,
is tasks will be sorted by start time.
> This is intended to be a much simpler and more limited version of SPARK-3468



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