Cloud on Yongjie Xue

Did PostgreSQL Win Because Oracle Screwed Up?

Sun, 23 Aug 2026 00:00:00 +0000

Starting with Stonebraker’s remark that PostgreSQL should “thank Oracle,” this essay looks at the community’s unusual governance model and the challenges it now faces.

Those Who Left the Cloud Made a Killing

Sat, 15 Aug 2026 00:00:00 +0000

I spent years urging people to leave the cloud. Those who listened two years ago made a killing. Leaving has never been just about savings; it is about buying back your freedom. Cost curves move. Sovereignty does not.

Why Are People Who Leave Big Tech So Useless?

Fri, 14 Aug 2026 00:00:00 +0000

People who leave Big Tech are not stupid. They have simply spent too long using a rented mental map. Only after leaving the platform do they discover that the map has to be returned.

FastJSON Broke Again. Why?

Fri, 31 Jul 2026 00:00:00 +0000

FastJSON has failed again. When is “ship rough, scale hard, move fast” a defensible shortcut, and when does it become an engineering habit whose bill falls to whoever comes next?

Huawei Cloud Incident: Was IAM Involved?

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.

Your SaaS, Someone Else's Kill Switch

Mon, 06 Apr 2026 00:00:00 +0000

Slack’s Greater China shutdown is a reminder: the biggest SaaS risk is not price, but having your business continuity depend on someone else’s business decisions.

Digoal, the Face of PostgreSQL at Alibaba Cloud, Has Left

Thu, 02 Apr 2026 00:00:00 +0000

Alibaba Cloud’s leading PostgreSQL advocate has walked away, exposing a deeper struggle over the direction of China’s cloud database market.

Tencent Cloud 'Reduced' the Lobster King's Load by 180 GB

Thu, 12 Mar 2026 00:00:00 +0000

Tencent Cloud mirrored OpenClaw’s official skill marketplace into its own SkillHub and then claimed it was helping the upstream project. The incident turned into a case study in open-source manners, mirror ethics, and platform power.

Don't run AI assistant on cloud

Fri, 30 Jan 2026 00:00:00 +0000

Before you hit “one-click deploy” on that cloud AI assistant, ask yourself: what exactly are you giving up?

There’s a reason why people by Mac mini rather than running clawdbot on the cloud.

When AI Becomes Your Butler

Moltbot (formerly Clawdbot) just exploded on GitHub. Tens of thousands of stars in days. Mac Minis sold out.

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!

The $20 Brother PolarDB: What Should Databases Actually Cost?

Thu, 25 Apr 2024 00:00:00 +0000

Today we discuss the fair pricing of commercial databases, open-source databases, cloud databases, and domestic Chinese databases.

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?

Redis Going Non-Open-Source is a Disgrace to "Open-Source" and Public Cloud

Mon, 25 Mar 2024 00:00:00 +0000

Redis “going non-open source” is not a disgrace to Redis, but a disgrace to “open source/OSI” and even more so to public cloud. What truly matters has always been software freedom, while open source is just one means to achieve software freedom.

S3: Elite to Mediocre

Tue, 26 Dec 2023 00:00:00 +0000

S3 is no longer “cheap” with the evolution of hardware, and other challengers such as cloudflare R2.

Reclaim Hardware Bonus from the Cloud

Thu, 16 Nov 2023 00:00:00 +0000

Hardware is interesting again, developments in CPUs and SSDs remain largely unnoticed by the majority of devs. A whole generation of developers is obscured by cloud hype and marketing noise.

FinOps: Endgame Cloud-Exit

Thu, 06 Jul 2023 00:00:00 +0000

At the SACC 2023 FinOps session, I fiercely criticized cloud vendors. This is a transcript of my speech, introducing the ultimate FinOps concept — Cloud-Exit and its implementation path.

SLA: Placebo or Insurance?

Mon, 12 Jun 2023 00:00:00 +0000

SLA is a marketing tool rather than insurance. In the worst-case scenario, it’s an unavoidable loss; at best, it provides emotional comfort.

Back to Basics: Tech Reflection Chronicles

Mon, 29 May 2023 00:00:00 +0000

The cost-cutting imperative has triggered a reevaluation of all technologies, including databases. This series critiques hot DB technologies and poses fundamental questions about their trade-offs: Are cloud databases, distributed databases, microservices, and containerization real needs or false hype?

EBS: Pig Slaughter Scam

Wed, 15 Mar 2023 00:00:00 +0000

The real business model of cloud: “Cheap” EC2/S3 to attract customers, and fleece with “Expensive” EBS/RDS.

Garbage QCloud CDN: From Getting Started to Giving Up?

Wed, 08 Mar 2023 00:00:00 +0000

I originally believed that at least in IaaS fundamentals — storage, compute, and networking — public cloud vendors could still make significant contributions. However, my personal experience with Tencent Cloud CDN shook that belief: domestic cloud vendors’ products and services are truly unbearable.