Re: KRaft Migration and Kafka Controller behaviour

2024-03-19 Thread Paolo Patierno
Hi Sanaa, from my experiece about running migration it never happened to me and it should not happen anyway. When a (ZooKeeper-based) broker registers to be the controller at the beginning, you can see that the corresponding /controller znode will have an -1 as epoch. Something like: {"version":2,

Kafka followers with higher leader epoch than leader

2024-03-19 Thread Karl Sorensen
Hi, I have an unusual situation where I have a cluster running Kafka 3.5.1 in strimzi where 4 of the __consumer_offset partitions have dropped under min isr. Everything else appears to be working fine. Upon investigating, i've found that the partition followers appear to be out of sync with the l

Re: KRaft Migration and Kafka Controller behaviour

2024-03-19 Thread Sanaa Syed
Hi Paolo, Thank you for your response! I tested out a different theory today where I deployed the kraft controller statefulset and waited to see which brokers would be elected as controllers. Here is an example of my migration right after I have provisioned the kraft controller brokers/statefulse