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https://issues.apache.org/jira/browse/SPARK-18085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15667226#comment-15667226
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Thomas Graves commented on SPARK-18085:
---------------------------------------

I think at a high level its fine.

You mention using a /v2 api for now, is this just for development or are you 
going to change it to v1 once its all working?  Or are you going to wait to see 
if the api changes?  It seems to me the only reason to keep a /v2 would be if 
api changes.  User shouldn't really care about the backend so ideally wouldn't 
have to change api for that.

> 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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