KRAFT: Correct way to add a controller only node

Hello, we have 5 broker/controller Kafka (v3.5.1) nodes running and I tried to add a controller only node. I've got it in the end working .. but I think, I've did it wrong. I had to stop start several times all nodes to remove the "quorum-state" file. I had to do a lot of stop / starts and cr

Re: KRAFT: Correct way to add a controller only node

Hi Denny, I believe the problem you're describing is the motivation for KIP-853 [1] which is currently under discussion for 3.8. If you're performing a rolling upgrade, I believe the current recommendation is to use DNS to "re-assign" the controller from one machine to another. If you're running e

How do I debug replication that never completes on Kraft/3.6.+

Hello Kafka Community, I'm reaching out for assistance with an issue I've encountered in our Kafka cluster that's been running smoothly for over a year. Our setup includes: Kafka Version: 3.6.0 Cluster Configuration: 3-node cluster running in KRaft mode (without ZooKeeper). Issue Description: Des