Articles tagged: Delta

Why you're wasting money on AWS

Why you're wasting money on AWS

What is cheaper than a reserved instance on AWS? How about not running an instance in the first place?

AWS announced a new reserved instance model, designed to save you up to 63% per instance. Most small and mid-sized companies aren’t going to commit for 3 years, so we are looking at something closer to 40% savings. That’s a good start.

However, chances are you are over provisioning - running more and/or larger EC2 instances than you actually need. Let me illustrate this with a few charts. Suppose the traffic to your site follows the usual wave.


Introducing Delta

Introducing Delta

I am pleased to announce the release of our second tool: Delta.

Delta is a tool for deploying your application following the current AWS best practices. Instead of launching EC2 instances manually, Delta creates an Auto Scaling Group (ASG) which is responsible for launching instances.

ASGs are famous for allowing your application to scale with demand, but perhaps less so for the fault tolerance. You see, an ASG does everything it can to maintain a minimum number of servers running and serving your application. If you were to go in an terminate one of those servers, the ASG will notice ...