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  1. Kafka
  2. KAFKA-14209

Optimize stream stream self join to use single state store

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Implemented
    • None
    • 3.4.0
    • None

    Description

      KIP-862: https://cwiki.apache.org/confluence/display/KAFKA/KIP-862%3A+Self-join+optimization+for+stream-stream+joins 

      For stream-stream joins that join the same source, we can omit one state store since they contain the same data.

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          blocks

          Improvement - An improvement or enhancement to an existing feature or task. KAFKA-14251 Improve CPU usage of self-joins by sacrificing order

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open
          contains

          New Feature - A new feature of the product, which has yet to be developed. KAFKA-7497 Kafka Streams should support self-join on streams

          • Major - Major loss of function.
          • Resolved
          links to

          Web Link GitHub Pull Request #12641

          Web Link GitHub Pull Request #12644

          Web Link GitHub Pull Request #12676

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              vicky_papavas Vicky Papavasileiou
              vicky_papavas Vicky Papavasileiou
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              Dates

                Created:
                Updated:
                Resolved: