Famous Production Incidents

Atlassian | 2022-04-05T00:00:00Z

Atlassian 2022 Outage: Site Deletion and Long-Tail Recovery

A production incident case study of Atlassian's 2022 outage, where a maintenance script deleted customer sites and recovery took days.

Roblox | 2021-10-28T00:00:00Z

A case study of the Roblox 2021 outage, where service discovery and Consul cluster issues contributed to a long recovery.

Facebook | 2021-10-04T00:00:00Z

A root cause analysis of Facebook's October 2021 outage, covering BGP route withdrawal, DNS failure, and operational recovery complexity.

Fastly | 2021-06-08T00:00:00Z

A production incident case study of Fastly's 2021 CDN outage, where a latent software bug was triggered by customer configuration.

Slack | 2021-01-04T00:00:00Z

A practical case study of Slack's January 2021 outage, focusing on capacity, dependency recovery, and customer-facing degradation.

Cloudflare | 2019-07-02T00:00:00Z

A production incident case study on Cloudflare's 2019 WAF outage, where a rule change caused CPU exhaustion at the edge.

Google Cloud | 2019-06-02T00:00:00Z

A concise incident analysis of the Google Cloud 2019 outage, where a configuration change caused network congestion and broad service impact.

GitHub | 2018-10-21T00:00:00Z

A clear explanation of GitHub's 2018 MySQL incident, including the failover failure mode, user impact, and engineering lessons.

Azure DevOps | 2018-09-04T00:00:00Z

A practical root cause analysis of the Azure DevOps 2018 outage, including regional dependency failure, recovery gaps, and reliability lessons.

AWS | 2017-02-28T00:00:00Z

A concise root cause analysis of the AWS S3 2017 outage, its impact, remediation, and reliability lessons for production engineers.