Jason Teoh created SPARK-56248:
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             Summary: Python TransformWithState stateful processor 
serialization improvements
                 Key: SPARK-56248
                 URL: https://issues.apache.org/jira/browse/SPARK-56248
             Project: Spark
          Issue Type: Improvement
          Components: Structured Streaming
    Affects Versions: 4.1.1
            Reporter: Jason Teoh


The current Python TWS stateful processor's serialization path is a hot path 
executed for every row. Looking at the code, there is room for improvement 
around Row construction, closure creation, and attribute lookups.



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