Re: rebalance brokers

2014-09-30 Thread Guozhang Wang
In 0.7 one is required to manually create partitions for existing topics when we add new brokers (i.e. modify the zk registration path). On Mon, Sep 29, 2014 at 9:07 PM, Guangle Fan wrote: > Guozhang, yes, the version running on there is still 0.7, you are right, > there is no such concept of re

Re: rebalance brokers

2014-09-29 Thread Guangle Fan
Guozhang, yes, the version running on there is still 0.7, you are right, there is no such concept of replicas on it. Is there a way to rebalance partitions across all brokers when adding new nodes ? On Mon, Sep 29, 2014 at 6:11 PM, Guozhang Wang wrote: > Hi Guangle, > > Replication is only intro

Re: rebalance brokers

2014-09-29 Thread Guozhang Wang
Hi Guangle, Replication is only introduced in 0.8, with 0.7 there should not have leader / follower replicas. Could you verify the version of your Kafka cluster? Guozhang On Mon, Sep 29, 2014 at 4:30 PM, Guangle Fan wrote: > Hi, All > > We have some old kafka nodes that are still running 0.7.

rebalance brokers

2014-09-29 Thread Guangle Fan
Hi, All We have some old kafka nodes that are still running 0.7. We disable the replica of topics there. Recently we added some node brokers to that cluster, I found new nodes won't got written or read even though it's registered correctly in zookeeper. I think in this case, it's because all the