Xinyu Liu created SAMZA-1567:
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Summary: Allow user WatermarkFunction to exclude streams from
Watermark computation
Key: SAMZA-1567
URL: https://issues.apache.org/jira/browse/SAMZA-1567
Project: Samza
Issue Type: Bug
Affects Versions: 0.15.0
Reporter: Xinyu Liu
Assignee: Xinyu Liu
Fix For: 0.15.0
Current watermark logic calculates the watermark based on the watermark all the
upstream operators. BEAM has a very special use case that requires excluding
certain streams from this calcuation (view streams), and the watermark from
these streams should be directly passed down to the WatermarkFunction.
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