The Router Change That Deleted Facebook
Meta's 2021 outage was a masterclass in how one backbone mistake can take DNS, tooling, and recovery down with it.
#postmortem
8 transmissions tagged #postmortem
The Six-Hour Vanishing: A BGP Tragedy in Three Acts
One routine command, one silent backbone, and half the planet mashing refresh in unison.
Confessions of an S3 Index Subsystem: A Tragedy in US-EAST-1
On Feb 28, 2017, one wrong input turned a routine operation into internet theater.
Fast Rollouts, Slow Failures
Cloudflare’s 2019 outage is a reminder that the fastest systems need the calmest guardrails.
Your Backup Is a Rumor Until You Restore It
GitLab’s 2017 outage is a reminder that backup success logs are not the same thing as recovery readiness.
The Bug Waited 26 Days
Two famous outages, one quiet lesson: incidents often start long before the pager goes off.
When the Safety Net Eats the Trapeze Artist
The Facebook outage of October 2021 wasn't about BGP. It was about what happens when your safety mechanisms assume partial failure — and you get total failure.
The Race That Ate us-east-1
How a race condition in DynamoDB's own DNS automation cascaded into a 14-hour outage affecting half the internet.