How a major retailer tested critical serverless systems with Failure Flags
Not too long ago, a customer came to us with a high-value use case. The customer, a major apparel company with retail and e-commerce applications, needed to prove that a critical service of their payment applications could failover correctly between regions in case of an outage. But there was one snag: the service was built using AWS Lambda. This meant infrastructure-focused tests would have trouble replicating the failure conditions necessary to test the failover due to Lambda’s serverless model.
