Thanks, this is a great article. The money quote for me is:
> I think it makes more sense to think of your datacenter as a giant database, in that database Kafka is the commit log, and these various storage systems are kinds of derived indexes or views.
My company supports analytic systems and we see this pattern constantly. It's also sort of a Pat Helland view of the world that subsumes a large fraction of data management under a relatively simple idea. [1] What's interesting is that Pat also sees it as a way to avoid sticky coordination problems as well.