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Posted to issues@spark.apache.org by "Boyang Jerry Peng (Jira)" <ji...@apache.org> on 2022/06/24 20:58:00 UTC

[jira] [Updated] (SPARK-39586) Advanced Windowing in Structured Streaming

     [ https://issues.apache.org/jira/browse/SPARK-39586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boyang Jerry Peng updated SPARK-39586:
--------------------------------------
    Summary: Advanced Windowing in Structured Streaming  (was: Advanced Windowing)

> Advanced Windowing in Structured Streaming
> ------------------------------------------
>
>                 Key: SPARK-39586
>                 URL: https://issues.apache.org/jira/browse/SPARK-39586
>             Project: Spark
>          Issue Type: New Feature
>          Components: Structured Streaming
>    Affects Versions: 3.3.0
>            Reporter: Boyang Jerry Peng
>            Priority: Major
>
> Currently in Structure Streaming there does not exist a user friendly method to define custom windowing strategies. Users can only choose from an existing set of built-in window strategies such tumbling, sliding, session windows.  To improve flexibility of the engine and to support more advanced use cases, Structured Streaming needs to provide an intuitive API that allows users to define custom window boundaries, to trigger windows when they are complete, and, if necessary, evict elements from windows.



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