Kafka behaviour on contolled shutdown of brokers

2018-04-13 Thread Ashutosh Bharti
I have a kafka cluster with 6 brokers and over 60 topics, with a replication factor of either 2 or 3. We plan to replace all the existing brokers with new nodes. I have 2 questions: i) once we add 6 new nodes to the cluster making it total 12 nodes, and shut down old brokers one by one, wi

Turning on compaction - can I rolling restart?

2018-04-13 Thread McNealy, Sean
I have a cluster of 3 kafka brokers running 0.10.2 that have been running for a while with the property “log.cleaner.enable=false” and I would like to turn compaction on. Is it safe to do this using a rolling restart? Will the cluster stay healthy with some brokers running with the compaction p