Publish-subscribe messaging rethought as a distributed commit log

Current version

kafka requires the following formula to be installed:
zookeeper 3.4.10 Centralized server for distributed coordination of services

Recent formula history

Ayush kafka 1.0.0
Viktor Szakats kafka: secure url(s)
ilovezfs Use “squiggly” heredocs.
Michael Nielson kafka: require Java 8 not Java 8 and above
ilovezfs kafka

Formula code at GitHub