Cloud-Outage on Vonng

Huawei Cloud Incident: Was IAM Involved?

rh@vonng.com (Ruohang Feng) — Sun, 26 Jul 2026 00:00:00 +0000

Huawei Cloud confirmed abnormalities affecting some International Site accounts during a scheduled IAM upgrade window. The timing is suggestive, but the causal link remains unconfirmed.

When AI Gets the Power to Gridlock a City

rh@vonng.com (Ruohang Feng) — Wed, 01 Apr 2026 00:00:00 +0000

On the night of March 31, a large number of Apollo Go robotaxis in Wuhan failed at the same time. The real concern is not merely that autonomous driving failed, but that a centrally controlled, cloud-based architecture may amplify a single-vehicle failure into a city-scale systemic risk.

Claude's Global Outage: Missiles or a Success Tax?

rh@vonng.com (Ruohang Feng) — Tue, 03 Mar 2026 00:00:00 +0000

Claude went down globally on March 2, 2026. The cinematic theory blamed drone strikes on AWS in the Middle East, but the failure pattern points much more strongly to a front-end and authentication crunch triggered by explosive user growth.

Drones Took Out Three AWS AZ: Into the Era of Bombable Data Centers

rh@vonng.com (Ruohang Feng) — Tue, 03 Mar 2026 00:00:00 +0000

On March 1, 2026, Iranian drones reportedly hit AWS facilities in the UAE and Bahrain. If the reporting is accurate, this may be the first public case of a hyperscale cloud provider suffering direct military damage to data-center infrastructure.

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

rh@vonng.com (Ruohang Feng) — 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.

Cloudflare’s Nov 18 Outage, Translated and Dissected

rh@vonng.com (Ruohang Feng) — 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.

AWS’s Official DynamoDB Outage Postmortem

rh@vonng.com (Ruohang Feng) — 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.

How One AWS DNS Failure Cascaded Across Half the Internet

rh@vonng.com (Ruohang Feng) — 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.

OpenAI Global Outage Postmortem: K8S Circular Dependencies

rh@vonng.com (Ruohang Feng) — Sat, 14 Dec 2024 00:00:00 +0000

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

Alibaba-Cloud: High Availability Disaster Recovery Myth Shattered

rh@vonng.com (Ruohang Feng) — 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

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

rh@vonng.com (Ruohang Feng) — 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…

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

rh@vonng.com (Ruohang Feng) — 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!

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

rh@vonng.com (Ruohang Feng) — 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?

From Cost-Reduction Jokes to Real Cost Reduction and Efficiency

rh@vonng.com (Ruohang Feng) — 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?

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

rh@vonng.com (Ruohang Feng) — 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?