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Posted to issues@spark.apache.org by "Pavol Vidlička (Jira)" <ji...@apache.org> on 2020/03/19 20:59:00 UTC

[jira] [Created] (SPARK-31196) Server-side processing of History UI list of applications

Pavol Vidlička created SPARK-31196:
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             Summary: Server-side processing of History UI list of applications
                 Key: SPARK-31196
                 URL: https://issues.apache.org/jira/browse/SPARK-31196
             Project: Spark
          Issue Type: Improvement
          Components: Web UI
    Affects Versions: 2.3.0
            Reporter: Pavol Vidlička


Loading the list of applications in the History UI does not scale well with a large number of applications. Fetching and rendering the list for 10k+ applications takes over a minute.

Using `spark.history.ui.maxApplications` is not a great solution, because (as the name implies), it limits the number of applications shown in the UI, which hinders usability of the History Server.

A solution would be to use [server side processing of the DataTable](https://datatables.net/examples/data_sources/server_side). This would limit amount of data sent to the client and processed by the browser.

This proposed change plays nicely with KVStore abstraction implemented in SPARK-18085, which was supposed to solve some of the scalability issues.



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