Description
Current Zk version (3.6.x) supported by Apache Kafka has been EOL since December 2022 [1]
Users of Kafka are facing regulatory hurdles because of using a dependency which is EOL, hence, I would suggest to upgrade this in all upcoming releases (including patch releases of 3.3.x and 3.4.x versions).
Some things to consider while upgrading (as pointed by ijuma at [2]):
- If we upgrade the zk server to 3.8.1, what is the impact on the zk clients. That is, what's the earliest zk client version that is supported by the 3.8.x server?
- We need to ensure there are no regressions (particularly on the stability front) when it comes to this upgrade. It would be good for someone to stress test the system a bit with the new version and check if all works well.
[1] https://zookeeper.apache.org/releases.html
[2]https://github.com/apache/kafka/pull/12620#issuecomment-1409028650
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KAFKA-15512 EOL zookeeper component in kafka
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