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From xie wei <jixia...@googlemail.com>
Subject Is watermark used by joining two streams
Date Fri, 28 Jul 2017 13:00:52 GMT

i want to join two streams based on event time window, every stream has its
own watermark, one has priodic watermark and the other has punctuated
are the watermarks used to trigger the join? if yes, which one and how is
it used?

Thank you and best regards

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