A flood of new users is a good problem to have, until the servers fall over during trial sign-ups. Scalability is the craft of growing smoothly, without interruptions to the service.
Here’s how to prepare your SaaS product for surges, so growth never becomes a liability.
Downtime is optional – your design decides whether you choose it.
Design for statelessness
Scale web servers out by keeping session data off them: store it in Redis, not on the application server.
Automate your deployment pipeline
Blue-green or canary deployments let you release new versions without customers noticing.
Monitor and alert
Metrics on response times, error rates and load give you early warning before your customers notice.
Good architecture keeps customers happy while you grow. The difference between smooth scaling and expensive downtime is preparation.
If you’re expecting growth and aren’t sure your platform is ready, tell us how it’s built. There’s more on the web apps and SaaS products we build.