Re: Consumer Group stuck in PreparingRebalance

2020-02-20 Thread Péter Sinóros-Szabó
It seems that one of the brokers somehow had a high CPU utilization, like 5 of the brokers had 15%, and one had 100% utilization. After I added more CPUs to that broker with 100% CPUs utilization, the issue solved itself. Peter On Thu, 20 Feb 2020 at 10:54, Péter Sinóros-Szabó < peter.sinoros-sz.

Consumer Group stuck in PreparingRebalance

2020-02-20 Thread Péter Sinóros-Szabó
Hi, we use Kafka 1.1.1, recently I faced with an issue/bug I can't see how to solve. We have a service running two instances of it, using the same consumer group id to access some topics. When the service starts and it starts to join the consumer group, the join does not succeed. The application