AWS Cloud Operations Blog
Category: Resilience
Detecting gray failures with outlier detection in Amazon CloudWatch Contributor Insights
You may have encountered a situation in the past where a single user or small subset of users of your system are reporting an event that is impacting their experience, but your observability systems didn’t show any clear impact. The discrepancy between the customer’s experience and the system’s observation of its health is referred to […]
Why you should develop a correction of error (COE)
Application reliability is critical. Service interruptions result in a negative customer experience, thereby reducing customer trust and business value. One best practice that we have learned at Amazon, is to have a standard mechanism for post-incident analysis. This lets us analyze a system after an incident in order to avoid reoccurrences in the future. These […]