Spooky Action at a Distance, How an AWS Outage Ate Our Load Balancer

Distributed systems are complex beasts and notoriously hard to debug. Sometimes it’s hard to understand how an outage on one service will affect another, and no matter how much we think we understand a given system, it will still surprise us in new and interesting ways. What follows is the story of one of those moments, when an outage of a provider that we don’t use, directly or indirectly, resulted in our service becoming unavailable.

Source: hostedgraphite.com