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https://issues.apache.org/jira/browse/SPARK-18085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15897730#comment-15897730
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Marcelo Vanzin commented on SPARK-18085:
----------------------------------------

bq. "A separate jar file" means we generate a new jar file for the history 
function

Regardless of which jar the new history stuff ends up in, it will still depend 
on other changes in Spark, so it will still require a completely new Spark 
distribution. So I don't see why that makes a difference.

> 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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