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https://issues.apache.org/jira/browse/BEAM-11443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17270291#comment-17270291
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Beam JIRA Bot commented on BEAM-11443:
--------------------------------------
This issue was marked "stale-assigned" and has not received a public comment in
7 days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> 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
> Priority: P3
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> 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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