you're right, I'm in the middle of a big project where the lead engineer decided 'data duplication is forbidden'. The mess it created is terrible, both in compl

you're right, I'm in the middle of a big project where the lead engineer decided 'data duplication is forbidden'. The mess it created is terrible, both in complexity and in performance. I can't imagine microservice architecture will ever work in a complex domain without every service having most of its dependent data in its own store. What would help if people don't look at it as 'duplication' but rather 'caching'.