Oz Nova about scale misconceptions and wrong architectural decisions.
I was surprised to discover that one student’s company had chosen to architect their system around Kafka. This was surprising because, as far as I could tell, their business processed just a few dozen very high value transactions per day—perhaps a few hundred on a good day. At this throughput, the primary datastore could be a human writing into a physical book.
But by the time Amazon decided to move to SOA, they had around 7,800 employees and did over $3 billion in sales.