Data Consistency might be a pain in the ass. It is a well-known source of unexpected surprises. What is it? What does it depend on? Why is it so often overseen? And how to achieve different types of consistency in a distributed system? All right here...

Nowadays, many developers consider Monolithic Architecture as a disputed one. Sometimes even referenced as an anti-pattern. Is it a deserved stamp? Why is it still being deliberately chosen and used by many organizations? Finally, a few words about common delusion around Microservice Architecture and how easily and unconsciously it becomes Distributed Monolith.