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https://issues.apache.org/jira/browse/SPARK-18085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749660#comment-15749660
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Marcelo Vanzin commented on SPARK-18085:
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Yes. The REST API returns JSON. That JSON is not read from the event log. The
Spark UI also returns large HTML files generated in memory.
Yes. There might be enhancements that can be made to that part of the code.
But, for the 100th, that is not what this work is about. If you care about
those, *open a new bug*. It's not hard.
> Better History Server scalability for many / large applications
> ---------------------------------------------------------------
>
> Key: SPARK-18085
> URL: https://issues.apache.org/jira/browse/SPARK-18085
> Project: Spark
> Issue Type: Umbrella
> Components: Spark Core, Web UI
> Affects Versions: 2.0.0
> Reporter: Marcelo Vanzin
> Attachments: spark_hs_next_gen.pdf
>
>
> It's a known fact that the History Server currently has some annoying issues
> when serving lots of applications, and when serving large applications.
> I'm filing this umbrella to track work related to addressing those issues.
> I'll be attaching a document shortly describing the issues and suggesting a
> path to how to solve them.
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