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https://issues.apache.org/jira/browse/KAFKA-8601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905571#comment-16905571
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ASF GitHub Bot commented on KAFKA-8601:
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jolshan commented on pull request #7199: KAFKA-8601: StickyRoundRobinPartitioner
URL: https://github.com/apache/kafka/pull/7199
Creates a partitioner that utilizes the sticky partitioning strategy on both
records with null keys and non-null keys. Builds off of KIP-480. This
partitioner will not be used as the default; usage is configured by the user.
Includes tests of both keyed and non-keyed scenarios as well as tests for
when a partition is unavailable.
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> Producer Improvement: Sticky Partitioner
> ----------------------------------------
>
> Key: KAFKA-8601
> URL: https://issues.apache.org/jira/browse/KAFKA-8601
> Project: Kafka
> Issue Type: Improvement
> Reporter: Justine Olshan
> Assignee: Justine Olshan
> Priority: Major
> Fix For: 2.4.0
>
>
> Currently the default partitioner uses a round-robin strategy to partition
> non-keyed values. The idea is to implement a "sticky partitioner" that
> chooses a partition for a topic and sends all records to that partition until
> the batch is sent. Then a new partition is chosen. This new partitioner will
> increase batching and decrease latency.
> KIP link:
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-480%3A+Sticky+Partitioner
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