Matias Costa

Running resilient workloads in EKS using Spot instances

Spot Instances Overview A Spot Instance is an instance that uses spare EC2 capacity that is available for less than the On-Demand price (up to 90% cheaper), which makes it a very cost efficient option, but comes with some downsides. Spot Instances are interruptible by AWS EC2 Spot service in what is called a Spot Instance interruption. The following are the possible reasons that Amazon EC2 might interrupt your Spot Instances: