Engineering postmortems, with sources

Production Incident Atlas

Follow the timeline of real engineering failures: what broke, how teams detected it, how they recovered, and what they changed afterward. Timeline claims link to their sources.

1 documented incident

Software & infrastructureMajor

Amazon S3 us-east-1 disruption: capacity removal and a slow restart

Amazon S3 (AWS US-EAST-1) · 4 timeline events

An incorrectly entered operational command removed more S3 subsystem capacity than intended, affecting S3 and dependent AWS services in Northern Virginia.

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Production Incident Atlas

Engineering domain

Failure mode

Severity

Impact

Amazon S3 us-east-1 disruption: capacity removal and a slow restart