No real precautions need to be taken on starting a down instance, assuming you have replication in play and the controller is up and active. We routinely restart downed broker processes, and have never had an issue with it (running thousands of clusters with an ops team of ~3).
Thanks Tom Crayford, Heroku Kafka On Mon, May 23, 2016 at 4:41 PM, Tushar Agrawal <agrawal.tus...@gmail.com> wrote: > I have 5 kafka brokers in production (0.9.0.0-1). 10 days back one of the > broker went down and I could not find anything in logs or traces. > > *Question*: What could be the repercussions of restarting the broker? What > precautions need to be taken before restarting the instance? > > Thank you, > Tushar >