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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/09/21 09:55:41 UTC

[GitHub] [beam] echauchot commented on issue #23129: [Bug]: Issues with Watermark propagation in Spark runner (streaming)

echauchot commented on issue #23129:
URL: https://github.com/apache/beam/issues/23129#issuecomment-1253474808

   I agree with @kennknowles. I took a look as well and it seems that DStream Spark runner uses only a global watermark updated when the microbatch ends instead of when new elements arrive. That seems similar to the issue we're having on the Dataset runner: see [watermark issue](https://echauchot.blogspot.com/2020/11/watermark-architecture-proposal-for.html)


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