Hey Sean,

You can do rolling restart, then can do a describe of the topic, to check if 
the broker is back. Then continue with the next one.


On 13.04.18, 21:09, "McNealy, Sean" <sean.mcne...@ncr.com> wrote:

    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 property turned on and 
some still off? Will some partitions start compacting and some not yet? Can 
partitions stay in sync?
    Or does this property require every broker to be stopped simultaneously, 
then make the change, and then started.

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