This may help: http://kafka.apache.org/documentation.html#basic_ops_increase_replication_factor
On Thu, Jun 11, 2015 at 11:20:05AM +0800, Shady Xu wrote: > Right now, Kafka topics do not support changing replication factor or > partition number after creation. The kafka-reassign-partitions.sh tool can > only reassign existent partitions. > > 2015-06-11 9:31 GMT+08:00 Gwen Shapira <gshap...@cloudera.com>: > > > What do the logs show? > > > > On Wed, Jun 10, 2015 at 5:07 PM, Dillian Murphey > > <crackshotm...@gmail.com> wrote: > > > Ran this: > > > > > > $KAFKA_HOME/bin/kafka-reassign-partitions.sh > > > > > > But Kafka did not actually do the replication. Topic description shows > > the > > > right numbers, but it just didn't replicate. > > > > > > What's wrong, and how do I trigger the replication to occur?? > > > > > > I'm running 0.8.2.0 > > > > > > thanks > >