Cloud-Outage on PIGSTY

Alipay, Taobao, Xianyu Went Dark. Smells Like a Message Queue Meltdown.

Fri, 05 Dec 2025 00:00:00 +0000

Dec 4, 2025, Taobao, Alipay, and Xianyu all cratered. Users got charged while orders still showed “unpaid,” a carbon copy of the 2024 Double-11 fiasco. Read more

Cloudflare’s Nov 18 Outage, Translated and Dissected

Wed, 19 Nov 2025 00:00:00 +0000

A ClickHouse permission tweak doubled a feature file, tripped a Rust hard limit, and froze Cloudflare’s core traffic for six hours—their worst outage since 2019. Here’s the full translation plus commentary. Read more

AWS’s Official DynamoDB Outage Postmortem

Fri, 24 Oct 2025 00:00:00 +0000

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. Read more

How One AWS DNS Failure Cascaded Across Half the Internet

Tue, 21 Oct 2025 00:00:00 +0000

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. Read more

OpenAI Global Outage Postmortem: K8S Circular Dependencies

Sat, 14 Dec 2024 00:00:00 +0000

Even trillion-dollar unicorns can be a house of cards when operating outside their core expertise. Read more

Alibaba-Cloud: High Availability Disaster Recovery Myth Shattered

Tue, 17 Sep 2024 00:00:00 +0000

Seven days after Singapore Zone C failure, availability not even reaching 8, let alone multiple 9s. But compared to data loss, availability is just a minor issue Read more

What Can We Learn from NetEase Cloud Music's Outage?

Sun, 18 Aug 2024 00:00:00 +0000

NetEase Cloud Music experienced a two-and-a-half-hour outage this afternoon. Based on circulating online clues, we can deduce that the real cause behind this incident was… Read more

Database Deletion Supreme - Google Cloud Nuked a Major Fund's Entire Cloud Account

Sat, 11 May 2024 00:00:00 +0000

Due to an “unprecedented configuration error,” Google Cloud mistakenly deleted trillion-RMB fund giant UniSuper’s entire cloud account, cloud environment and all off-site backups, setting a new record in cloud computing history! Read more

What Can We Learn from Tencent Cloud's Major Outage?

Sun, 14 Apr 2024 00:00:00 +0000

Tencent Cloud’s epic global outage after Double 11 set industry records. How should we evaluate and view this failure, and what lessons can we learn from it? Read more

From Cost-Reduction Jokes to Real Cost Reduction and Efficiency

Wed, 29 Nov 2023 00:00:00 +0000

Alibaba-Cloud and Didi had major outages one after another. This article discusses how to move from cost-reduction jokes to real cost reduction and efficiency — what costs should we really reduce, what efficiency should we improve? Read more

What Can We Learn from Alibaba-Cloud's Global Outage?

Mon, 13 Nov 2023 00:00:00 +0000

Alibaba-Cloud’s epic global outage after Double 11 set an industry record. How should we evaluate this incident, and what lessons can we learn from it? Read more