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
>

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