THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Full window processing has unique characteristics and is primarily applicable to batch processing scenarios. As such, it can be designed to work only when RuntimeExecutionMode=BATCH BATCH and does not support checkpoint. When specifying RuntimeExecutionMode=STREAMING, the job will fail to submit. Without the requirement for checkpoint, the underlying implementation can no longer rely on state and avoid the aforementioned conflict issues.
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