One powerful way to deal with these problems is event sourcing. It's a reasonably elegant way to materialize a single application-specific cache based on many d

One powerful way to deal with these problems is event sourcing. It's a reasonably elegant way to materialize a single application-specific cache based on many different data sources. Two great resources: https://engineering.linkedin.com/distributed-systems/log-what-every-software-engineer-should-know-about-real-time-datas-unifying https://engineering.linkedin.com/distributed-systems/log-wha... https://queue.acm.org/detail.cfm?id=3321612 https://queue.acm.org/detail.cfm?id=3321612