Leader is a replica On Tue, 18 Sep 2018 at 22:52 jorg.heym...@gmail.com <jorg.heym...@gmail.com> wrote:
> Hi, > > Testing out some kafka consistency guarantees I have following basic > producer config: > > ProducerConfig.ACKS_CONFIG=all > ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG=true > ProducerConfig.MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION=1 > ProducerConfig.RETRIES_CONFIG=3 > > My test setup is a 3 node kafka cluster (3 zk nodes) running on windows, > with min.insync.replicas set to 1. A test topic is configured with > replication factor 3 and 10 partitions. > > The behavior that i'm seeing is that even though I take down 2 brokers, > the producer does not fail when sending messages. As far as I understood, > taking down 2 out of 3 brokers means there are no replicas (assuming the > leader is not a replica of itself) hence the producer should not be able to > produce a message. > > Interestingly, when i configure the brokers with min.insync.replicas=2 the > message producer fails when I shutdown 2 brokers. > > Thanks, > Jorg >
