Implement a Distributed State Machine with Redis to Migrate Billions of Records

As a start-up company, we started with a simple architecture: All data were stored in a single centralized Postgres instance, shared by a few services. It has been working well and allows us to move fast, deliver features, enter the market, acquire clients, and grow exponentially. &#xA; Fast forward a couple of years, today we have thousands of clients and billions of records, it&rsquo;s time to…