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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 19:13:25 UTC

[GitHub] [beam] damccorm opened a new issue, #20779: Byte-based GroupByKey in Flink Streaming

damccorm opened a new issue, #20779:
URL: https://github.com/apache/beam/issues/20779

   Currently Flink Streaming GBK is implemented using `SystemReduceFn#buffering`, that works on de-serialized values (we need to de-serialize value after shuffle and then serialize again when appending to bag state).
   
   We can remove this unnecessary serde cycle by using binary representation instead of de-serialized payload.
   
   Imported from Jira [BEAM-11443](https://issues.apache.org/jira/browse/BEAM-11443). Original Jira may contain additional context.
   Reported by: dmvk.


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