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What’s New in Kafka 2.6?

Randall Hauch takes us through the changes in Apache Kafka 2.6:

We’ve made quite a few significant performance improvements in this release, particularly when the broker has larger partition counts. Broker shutdown performance is significantly improved, and performance is dramatically improved when producers use compression. Various aspects of ACL usage are faster and require less memory. And we’ve reduced memory allocations in several other places within the broker.

This release also adds support for Java 14. And over the past few releases, the community has switched to using Scala 2.13 by default and now recommends using Scala 2.13 for production.

Finally, these accomplishments are only one part of a larger active roadmap in the run up to Apache Kafka 3.0, which may be one of the most significant releases in the project’s history. 

Read on to learn more.