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https://issues.apache.org/jira/browse/KAFKA-3333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16844019#comment-16844019
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ASF GitHub Bot commented on KAFKA-3333:
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mmanna-sapfgl commented on pull request #6771: KAFKA-3333: Adds
RoundRobinPartitioner with tests
URL: https://github.com/apache/kafka/pull/6771
Adds a new partitioner "RoundRobinPartitioner" for users to use. This is to
be used when records are expected to be written to partitions in a "Round
Robin" fashion regardless of a record key.
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> Alternative Partitioner to Support "Always Round-Robin" partitioning
> --------------------------------------------------------------------
>
> Key: KAFKA-3333
> URL: https://issues.apache.org/jira/browse/KAFKA-3333
> Project: Kafka
> Issue Type: New Feature
> Components: clients
> Reporter: Stephen Powis
> Assignee: M. Manna
> Priority: Major
> Labels: needs-kip
> Fix For: 2.3.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> ** Please Look into KAFKA-7358 for the official description **
>
> The
> [DefaultPartitioner|https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/clients/producer/internals/DefaultPartitioner.java]
> typically distributes using the hash of the keybytes, and falls back to
> round robin if there is no key. But there is currently no way to do Round
> Robin partitioning if you have keys on your messages without writing your own
> partitioning implementation.
> I think it'd be helpful to have an implementation of straight Round Robin
> partitioning included with the library.
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