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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-6641) Consider auto repartitioning for Stream.transform() API
Date Tue, 13 Mar 2018 00:20:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guozhang Wang updated KAFKA-6641:
---------------------------------
    Labels: api  (was: )

> 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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