Scaling SQLite to 4M QPS on a Single Server (EC2 vs Bare Metal)Expensify has an unusual technology stack in many ways. For example, we don't use DNS internally -- just configuration-managed /etc/hosts files -- and it works great. Similarly, we only make limited use of AWS -- instead hosting our own hardware for the web and database layer -- and it works great. But most surprising of all is that we don't use MySQL or Postgres -- instead using none other tha
