Were there ZK session expirations in the broker log? Broker registers when ZK session expires.
Thanks, Jun On Fri, Nov 9, 2012 at 1:24 AM, <zlai_2...@sina.com> wrote: > Hi, allI have some problem with using kafka-0.7.1. I use a cluster with > 4 brokers. They are runing well before.However, I found all brokers > re-registered to zk yesterday. The log is blow:[2012-11-08 09:58:17,805] > INFO re-registering broker info in ZK for broker 2 > (kafka.server.KafkaZooKeeper)[2012-11-08 09:58:17,944] INFO re-registering > broker topics in ZK for broker 2 (kafka.server.KafkaZooKeeper)...... > I want to know why the brokers re-register?I had deleted some topics in ZK > that are not used now. But I had not delete data with these topics on the > brokers.So, this re-registry bring these topics that had been deleted into > ZK again. > If I delete these data with these topics on the broker, and delete these > topics in ZK, but I do not restart brokers.When the brokers re-register > again, the brokers will bring these topics(had been deleted) into ZK ?The > brokers get info of topics from ram or disk? > Thanks All.
