Tags: AWS
AWS’s Official DynamoDB Outage Postmortem
October 24, 2025 in Cloud
AWS finally published the Oct 20 us-east-1 postmortem. I translated the key parts and added commentary on how one DNS bug toppled half the internet.
AWS finally published the Oct 20 us-east-1 postmortem. I translated the key parts and added commentary on how one DNS bug toppled half the internet.
How One AWS DNS Failure Cascaded Across Half the Internet
October 21, 2025 in Cloud
us-east-1’s DNS control plane faceplanted for 15 hours and dragged 142 AWS services—and a good chunk of the public internet—down with it. Here’s the forensic tour.
us-east-1’s DNS control plane faceplanted for 15 hours and dragged 142 AWS services—and a good chunk of the public internet—down with it. Here’s the forensic tour.
How Ahrefs Saved US$400M by NOT Going to the Cloud
May 22, 2024 in Cloud
After Alibaba-Cloud's epic global outage on Double 11, setting industry records, how should we evaluate this incident and what lessons can we learn from it?
After Alibaba-Cloud's epic global outage on Double 11, setting industry records, how should we evaluate this incident and what lessons can we learn from it?
Cloud Dark Forest: Exploding Cloud Bills with Just S3 Bucket Names
April 30, 2024 in Cloud
The dark forest law has emerged on public cloud: **Anyone who knows your S3 object storage bucket name can explode your cloud bill.**
The dark forest law has emerged on public cloud: **Anyone who knows your S3 object storage bucket name can explode your cloud bill.**
Are Cloud Databases an IQ Tax?
January 30, 2023 in Cloud
Winter is coming, tech giants are laying off workers entering cost-reduction mode. Can cloud databases, the number one public cloud cash cow, still tell their story? The money you spend on cloud databases for one year is enough to buy several or even dozens of higher-performing servers. **Are you paying an IQ tax by using cloud databases?**
Winter is coming, tech giants are laying off workers entering cost-reduction mode. Can cloud databases, the number one public cloud cash cow, still tell their story? The money you spend on cloud databases for one year is enough to buy several or even dozens of higher-performing servers. **Are you paying an IQ tax by using cloud databases?**