How to Hack Like a Ghost

9 Sticky Shell

Persistence takes on a whole new dimension when dealing with a volatile and renewable infrastructure like Kubernetes. Containers and nodes tend to be treated as immutable and disposable objects that can vanish anytime, anywhere.

This volatility is further aggravated on AWS machines by the use of special types called spot instances. At about 40 percent of the regular price, companies can spawn a spot instance of almost any type available. The catch is that AWS has the power to reclaim the machine whenever it needs the compute power back. While this setup seems ideal for a Kubernetes cluster, where containers can be automatically ...