One more question: "The create topic command will not immediately create the path; it will be created by the controller later during the creation of partitions and assign replicas to partitions."
So when will the controller create the path and partitions? When the first message is published to the topic and partition? All the partitions are created at once? Regards, Libo -----Original Message----- From: Guozhang Wang [mailto:wangg...@gmail.com] Sent: Tuesday, August 20, 2013 1:48 PM To: users@kafka.apache.org Subject: Re: issue with kafka-preferred-replica-election.sh Could you check that before you run kafka-preferred-replica-election.sh the /brokers/topics/uattoqaaa.default/partitions Node has been created or not? The create topic command will not immediately create the path; it will be created by the controller later during the creation of partitions and assign replicas to partitions. If you start the election command right after the create topic tool, it might not be created yet. Guozhang On Tue, Aug 20, 2013 at 10:24 AM, Yu, Libo <libo...@citi.com> wrote: > It is created with 3 partitions. > > Regards, > > Libo > > > -----Original Message----- > From: Guozhang Wang [mailto:wangg...@gmail.com] > Sent: Tuesday, August 20, 2013 12:21 PM > To: users@kafka.apache.org > Subject: Re: issue with kafka-preferred-replica-election.sh > > Hello Libo, > > Before you call the kafka-preferred-replica-election.sh have you > already created the topic uattoqaaa.default with the number of partitions? > > Guozhang > > > On Tue, Aug 20, 2013 at 8:35 AM, Yu, Libo <libo...@citi.com> wrote: > > > Hi, > > > > I tried to run kafka-preferred-replica-election.sh on our kafka cluster. > > But I got this expection: > > Failed to start preferred replica election > > org.I0Itec.zkclient.exception.ZkNoNodeException: > > org.apache.zookeeper.KeeperException$NoNodeException: > > KeeperErrorCode = NoNode for > > /brokers/topics/uattoqaaa.default/partitions > > > > I checked zookeeper and there is no > > /brokers/topics/uattoqaaa.default/partitions. All I found is > > /brokers/topics/uattoqaaa.default. > > > > I believe this is a bug and I am not sure if there is a JIRA for it. > > Could you confirm? Thanks. > > > > Regards, > > > > Libo > > > > > > > -- > -- Guozhang > -- -- Guozhang
