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Posted to dev@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2018/11/08 22:24:00 UTC
[jira] [Resolved] (KAFKA-6641) Consider auto repartitioning for
Stream.transform() API
[ https://issues.apache.org/jira/browse/KAFKA-6641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias J. Sax resolved KAFKA-6641.
------------------------------------
Resolution: Duplicate
> Consider auto repartitioning for Stream.transform() API
> -------------------------------------------------------
>
> Key: KAFKA-6641
> URL: https://issues.apache.org/jira/browse/KAFKA-6641
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Guozhang Wang
> Priority: Major
> Labels: api
>
> Today with map / mapValues of Streams DSL, we will set a flag / not set a flag for the underlying topology builder; but for transform / transformValues, we do not make such marking choices. Maybe the topology builder can still make such flagging for transform() to indicate that since the key maybe changed, we should issue a repartition for the downstream stateful operators when necessary.
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