The library. Every incident, structured.
A growing archive of public postmortems, broken down into a consistent shape: what broke, why it cascaded, and what to take from it. New incidents added regularly.
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topic: cooling
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FM-018
The Overheated AWS ZoneA thermal event in one US-EAST-1 data center impaired EC2 instances and EBS volumes in use1-az4, disrupting workloads that depended on resources pinned to the affected Availability Zone.
AWS
2026-05-08
20h 30m
SEV-2
us-east-1use1-az4thermal-event