My Claude Accounts Were Banned
Two Claude accounts were banned over China’s National Day holiday. The hardest thing to replace is two years of accumulated memory, not the model’s abilities. The post-ban export contained only an ID. …
Ruohang Feng · Database Guru · Cloud Exiter
Vonng’s Blog
Ruohang Feng (@Vonng): Pigsty author, PGSTY founder, OSS contributor.
Database Guru, Cloud Exiter, PostgreSQL Mage, and AI Agent Explorer.
Columns
Database Guru
69posts
News, insights, and best practices from the database industry.
Cloud-Exiter
61posts
Cloud-exit and self-hosting — deep dives and cost analyses.
AI Agent Explorer
79posts
Agents, LLMs, and everything between AI and databases.
Postgres Mage
116posts
Blogs about PG ecosystem, admin, development and operations.
Travel Notes
10posts
Trips, hikes and the things seen along the way.
Miscellaneous
36posts
The things that are not about technology, or not only about it.
Latest Posts
Welcome to the AI Secretary Boom
From coding agents to always-on personal assistants, AI is starting to manage everyday life. A cloud computer, an identity, a wallet, and a group chat are becoming standard equipment. But first, …
A $500 ChatGPT Plan? The $200 Pro Subscription May Become Irreplaceable
ChatGPT Pro Max is priced at $500 a month, but the usage multiplier is what matters: 50× would preserve the bulk discount; 25× or even 20× would mean shrinking subsidies. The $200 Pro plan could …
Why Established Companies May Never Become AI-Native
What is happening is not transformation, but new species replacing old ones. Incentives and structure keep established companies from capturing AI's gains. AI-native companies will grow from scratch, …
Codex Edited My Video in One Shot for About 8 Yuan
I gave Codex three panel recordings and a casually dictated prompt. Forty-eight minutes later, it delivered a finished edit with subtitles, at an estimated amortized subscription cost of about 8 yuan. …
The Application Layer Is Collapsing: The Moat Moves to the Database
As agents take over software interfaces and execution logic, where does the application layer go? Future software will consist of a lasting system of record and harnesses that are continually replaced …
Thirty-Three
Turning 33, I look back on what may have been my most enjoyable year yet: one person, a team of agents, Pigsty, PostgreSQL's Chinese ecosystem, Silo—and, somehow, work-life balance.
The Pirate Game, and Why Society Needs “Madmen”
The pirate game, the people who flip the table, and the trap the decent ones are stuck in. A game theory of flipping the table: why the people who refuse to let things go are the load-bearing beam …
PostgreSQL's Chinese Locale Messages Were Seven Years Stale. Not Anymore.
Never set your PostgreSQL locale to zh_CN — that old rule expires with PostgreSQL 19. The Chinese message catalogs went seven years untouched and nearly got dropped from the release. A bone nobody …
Zhipu, Why Is ZCode Packaging and Uploading My Repo?
I had just praised GLM 5.3 when ZCode's silent repository uploads came to light. Then I found the same mechanism on my own machine.
MinIO Nuked Its Docker Hub Repos—Your Object Storage Doesn't Have to Go Down With It
On September 11, MinIO deleted the minio/minio and minio/mc repositories from Docker Hub outright, finishing its walk out the door. Over the past month or so I put two mutually adversarial AI agents …
The Mouthless Model: AI's OLTP Moment
Jev doesn't talk. It looks at a state, hands you a probability for every option, returns in milliseconds, and charges nothing for output. What it fills in is the OLTP path AI never had—the model only …
Projects
PigstyA battery-included PostgreSQL distribution — the local-first, free and open source RDS.
SILOThe community-maintained MinIO fork that keeps S3-compatible storage open source.
OINKA local-first Hugo theme for engineering docs — the one this site runs on.
PIGOne command, any extension — across EL, Debian and Ubuntu.
SOWStore once, serve everywhere — building and mirroring APT and YUM repositories.
PG ExporterPostgreSQL observability expressed in SQL — 600+ metrics, declarative collectors.
Capslock EnhancementTurn the mostly useless CapsLock key into a fifth modifier.
PGEXT.CLOUDAn index, catalog and metadata for 2200+ PostgreSQL extensions, plus download, install and build matrices for 570+ of them.
PGSTYThe team behind Pigsty, and the open source and services around it.Publications
DDIADesigning Data-Intensive Applications, translated into Chinese.
PostgreSQL InternalsPostgreSQL Internals, translated into Chinese.
pg.centerPostgreSQL manuals, reference, and ecosystem knowledge across versions.
pgsql.ccPostgreSQL documentation and technical resources in Chinese, maintained by the Pigsty team.
Paper: D-Bot DB Diagnosis with LLMsDatabase Diagnosis System using Large Language Models, VLDB 2024.
Paper : Unified DB Access LayerA unified access layer over heterogeneous databases through PostgreSQL FDW.
Cyber DharmaSeven traditions orbiting one machine — notes on technology and belief.
Empire of AIDreams and nightmares inside OpenAI, translated into Chinese.
The Product-Minded EngineerA book on engineering with a product mind, translated into Chinese.