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Posted to issues@spark.apache.org by "Boyang Jerry Peng (Jira)" <ji...@apache.org> on 2022/06/24 20:52:00 UTC

[jira] [Created] (SPARK-39586) Advanced Windowing

Boyang Jerry Peng created SPARK-39586:
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             Summary: Advanced Windowing
                 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


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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