Distributed systems are hard. They introduce new failure modes, they force us to deal with consistency concerns. Researchers keep throwing scary acronyms such as CRDT, CAP or PACELC and we are forced to think about trade-offs all the time. What’s considered to be a bug in one system can be a completely valid design in another system. It’s easy to feel lost in all the intricacies.
This talk gives you a gentle introduction into consistency models and will help you with reasoning about trade-offs.