Yes, the leader should move to K2 or K3. You can check the controller log on all 3 machines to find out where the new leader is placed. It is not guaranteed to move back to K1 when you restart it 2 hours later, however.
On Mon, Nov 21, 2016 at 3:38 AM, marcel bichon <marcelbichon.ka...@gmail.com > wrote: > Hello ! > > I have a three brokers (K1, K2, K3) cluster using Kafka 0.8.2 and a > zookeeper cluster (colocalized with kafka brokers). > I have a topic with one partition and a replication factor of 3. > I have a producer publishing messages in the topic every minuts (1+ > message) > I have a consumergroup consuming messages every hour. > The offset of this consumergroup for this topic is stored in zookeeper. > The leader for this partition for this topic is K1. > The replicas are K2 and K3. > > Sometimes, the consumergroup does not find any new messages. > > In order to investigate and to test, I was wondering if I could just stop > K1 ? Will K2 or K2 become the leader ? What will happen if two hours later > I start again K1 ? > > Best regards. > > M. >
