Any error in the controller/state-change log when you increased the replication factor? If you describe those topics, are both replicas in ISR? The answers to those questions will help us understand whether this is a broker side or consumer-side issue.
Thanks, Jun On Thu, Nov 6, 2014 at 11:56 PM, Shangan Chen <chenshangan...@gmail.com> wrote: > I have a kafka cluster, every topic in it has only one replica. Recently I > extend every topic with 2 replicas. Most topics work fine, but some large > topics have some problems with part of partitions. Consumer throw offset > OutOfRange exception, the fact is consumer request offset is bigger than > the latest offset. I doubt there is some bug with the tool which can add > replicas to existing topic. > > I add replicas by the following guide: > > http://kafka.apache.org/081/documentation.html#basic_ops_increase_replication_factor > > > Does anyone face the same problem before and can figure out how to avoid > this ? > > -- > have a good day! > chenshang'an >