Perhaps obvious&#x2F;naive, but Amazon Kinesis is a great &quot;no sysadmin required&quot; Kafka clone that we&#x27;ve had a lot of success with.<p>Per Zookeeper, I&#x27;m sure it&#x27;s better than each system trying to rebuild consensus on their own, but I am loathe to ever be responsible for running a cluster.<p>I&#x27;m surprised Amazon doesn&#x27;t have Zookeeper-as-a-service, or perhaps even better, a Zookeeper-as-a-service facade that actually uses Dynamo behind the scenes.