L. C. Hsieh created SPARK-38593:
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             Summary: Incorporate numRowsDroppedByWatermark metric from 
SessionWindowStateStoreRestoreExec into StateOperatorProgress
                 Key: SPARK-38593
                 URL: https://issues.apache.org/jira/browse/SPARK-38593
             Project: Spark
          Issue Type: Improvement
          Components: Structured Streaming
    Affects Versions: 3.3.0
            Reporter: L. C. Hsieh


Although we added `numRowsDroppedByWatermark` to 
`SessionWindowStateStoreRestoreExec`, but currently only `StateStoreWriter` 
will be collected metrics for `StateOperatorProgress`. So if we need 
`numRowsDroppedByWatermark` from `SessionWindowStateStoreRestoreExec` to be 
used in streaming listener, we need to incorporate 
`SessionWindowStateStoreRestoreExec` into `StateOperatorProgress`.



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