For Kafka 0.8.x[.x], refer to https://cwiki.apache.org/confluence/display/KAFKA/Replication+tools#Replicationtools-6.ReassignPartitionsTool .
2015-04-23 23:20 GMT+03:00 Corey Nolet <cjno...@gmail.com>: > I have a cluster of 3 nodes and I've created a topic with some number of > partitions and some number of replicas, let's say 10 and 2, respectively. > Later, after I've got my 3 nodes fairly consumed with data in the 10 > partitions, I want to add 2 more nodes to the mix to help balance out the > partitions/replicas of my topic across 5 physical nodes instead of just 3. > > I was assuming Kafka would just notice the new node and auto-replicate > partitions to it but research is telling me that this probably isn't the > case. Let's say I want no data loss and I want Kafka to spread my 10 > partitions across all 5 nodes. How would I do this currently? >
