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https://issues.apache.org/jira/browse/SPARK-39232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17539302#comment-17539302
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Apache Spark commented on SPARK-39232:
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User 'hai-tao-1' has created a pull request for this issue:
https://github.com/apache/spark/pull/36606

> Spark History Main Page App List Filtering
> ------------------------------------------
>
>                 Key: SPARK-39232
>                 URL: https://issues.apache.org/jira/browse/SPARK-39232
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.4.0
>            Reporter: Hai Tao
>            Priority: Major
>
> Currently Spark History Server suffers when there are large number of jobs 
> under the eventLog.dir. Loading the SHS main page may be very slow(showing 
> `Loading History Summary ...`).
> The issue is because the current SHS returns all jobs in the appList KV Store 
> to the client browser without any filtering. This resulted massive data 
> transfer and slowness for SHS in a large environment. For most users, many of 
> the returned jobs are not in their interests.
> Therefore, it could reduce the waiting time if we could add some 
> filtering(such as user or queue) in the SHS main page.



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