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https://issues.apache.org/jira/browse/BEAM-11443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-11443:
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Status: Open (was: Triage Needed)
> Byte-based GroupByKey in Flink Streaming
> ----------------------------------------
>
> Key: BEAM-11443
> URL: https://issues.apache.org/jira/browse/BEAM-11443
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: David Morávek
> Assignee: David Morávek
> Priority: P3
>
> 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.
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