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Amazon S3 Service Disruption

Explore the 2017 Amazon S3 service disruption caused by human error and its cascading effects on AWS services. Learn key mitigation strategies such as health checks, circuit breakers, and retries that enhance API reliability and system resilience. This lesson helps you understand failure analysis and handling in large-scale product architectures.

Introduction

Amazon Simple Storage Service (S3) is one of the services AWS offers. S3 is a highly secure, scalable, and durable object storage service that provides data storage and retrieval from anywhere.

On February 28, 2017, S3 started to fail in the Northern Virginia (US-EAST-1) region due to a human error. This service disruption lasted several hoursSource: https://aws.amazon.com/message/41926/, affecting many of its customers, including Slack, Netflix, and Reddit.

In this lesson, we discuss the root cause of the S3 failure and how to mitigate such failures.

How did it happen?

The root cause of the S3 outage was a human error made during a routine debugging process. ...