I just tried it out on my 0.8.2 cluster and it worked just fine - the ISR grew, replica factor changed and data was physically moved to new brokers. Was there not output/no logs? I see things like
INFO Created log for partition [topicName,7] in /opt/kafka/.... with properties {.. some json} in server.log on new brokers. 2015-06-11 21:02 GMT+02:00 Dillian Murphey <crackshotm...@gmail.com>: > Oh, hmm. There is even documentation on it: > > > http://kafka.apache.org/documentation.html#basic_ops_increase_replication_factor > > Having a difficult time sifting through the logs. Is this not a common > operation? Do users normally just delete the topic and create a new one?? > > > > On Wed, Jun 10, 2015 at 8:20 PM, Shady Xu <shad...@gmail.com> 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 > > > > > >