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https://issues.apache.org/jira/browse/SPARK-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621196#comment-14621196
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Andrew Or commented on SPARK-2017:
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Partially resolved by https://github.com/apache/spark/pull/7296, but I'm going 
to leave this one open in case we want to do pagination.

> web ui stage page becomes unresponsive when the number of tasks is large
> ------------------------------------------------------------------------
>
>                 Key: SPARK-2017
>                 URL: https://issues.apache.org/jira/browse/SPARK-2017
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Web UI
>            Reporter: Reynold Xin
>              Labels: starter
>
> {code}
> sc.parallelize(1 to 1000000, 1000000).count()
> {code}
> The above code creates one million tasks to be executed. The stage detail web 
> ui page takes forever to load (if it ever completes).
> There are again a few different alternatives:
> 0. Limit the number of tasks we show.
> 1. Pagination
> 2. By default only show the aggregate metrics and failed tasks, and hide the 
> successful ones.



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