Your understanding is correct. Try running the tool again when both replicas are in ISR. If it still doesn't work, see if there is any error in the state-change log.
Thanks, Jun On Tue, Aug 27, 2013 at 8:00 AM, Yu, Libo <libo...@citi.com> wrote: > Hi, > > We have three brokers in our kafka cluster. For all topics, the replica > factor is two. > Here is the distribution of leaders. After I ran the leader election tool, > nothing > happened. In this list, the first broker in ISR is the leader. I assume > after running > the tool, the first broker is replicas should be elected to the leader. > Any idea why > this does not work? Thanks. > > topic: example.topic.one partition: 0 leader: 1 replicas: > 2,1 isr: 1,2 > topic: example.topic.one partition: 1 leader: 2 replicas: > 3,2 isr: 2,3 > topic: example.topic.one partition: 2 leader: 1 replicas: > 1,3 isr: 1,3 > topic: example.topic.twopartition: 0 leader: 1 replicas: 3,1 > isr: 1,3 > topic: example.topic.twopartition: 1 leader: 1 replicas: 1,2 > isr: 1,2 > topic: example.topic.twopartition: 2 leader: 2 replicas: 2,3 > isr: 2,3 > > Regards, > > Libo > >