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https://issues.apache.org/jira/browse/BEAM-11443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17266204#comment-17266204
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Beam JIRA Bot commented on BEAM-11443:
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This issue is assigned but has not received an update in 30 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> 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
> Labels: stale-assigned
> 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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