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https://issues.apache.org/jira/browse/SPARK-969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15538162#comment-15538162
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Semet commented on SPARK-969:
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I agree that archiving this page for post mortem analysis is helpful.
> Persistent web ui
> -----------------
>
> Key: SPARK-969
> URL: https://issues.apache.org/jira/browse/SPARK-969
> Project: Spark
> Issue Type: Improvement
> Reporter: Reynold Xin
> Fix For: 1.0.0
>
>
> The Spark application web ui (at port 4040) is extremely helpful for
> debugging application correctness & performance. However, once the
> application completes (and thus SparkContext is stopped), the web ui is no
> longer accessible. It would be great to refactor the UI so stage informations
> (perhaps in JSON format or directly in HTML format) are stored persistently
> in the file system and can be viewed after the fact.
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