We’re Instant, a modern Firebase. Try out the demo, you can spin up a database and make queries within a minute — no login required. Right before Christmas we discovered that our Aurora Postgres instance needed a major version upgrade. We found a great essay by the Lyft team, showing how they ran their upgrade with about 7 minutes of downtime. We started with Lyft’s checklist but made some changes, particularly with how we switched masters. In our process we got to 0 seconds of downtime. Doing a...