AWS Acquires DuckDB: The Duck Flies into the Amazon Rainforest
AWS bought the people who build the duck and left the duck itself to the foundation.
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
65posts
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
63posts
Agents, LLMs, and everything between AI and databases.
Postgres Mage
111posts
Blogs about PG ecosystem, admin, development and operations.
Travel Notes
10posts
Trips, hikes and the things seen along the way.
Miscellaneous
33posts
The things that are not about technology, or not only about it.
Latest Posts
Apple Skipped the Event and Quietly Launched a 512 GB Mac Studio
No teaser, no rumors—the website simply changed. For local AI, this may be the most important machine of the year.
Omarchy: Is There Hope for Desktop Linux?
I installed Omarchy, then removed it. Why? Who is it for, and who isn't it for? Does the Linux desktop still have a future?
Did PostgreSQL Win Because Oracle Screwed Up?
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.
AGI Machine Guns Are Now Standard Issue
In one month, my friend Jiang cobbled together four databases, an operating system, a programming language, a compiler, and a CPU—a microcosm of today's AI frenzy.
The World in Ten Years: What Gets Cheap, What Gets Expensive
Starting with the price curve of AI inference, this essay projects how the world will be repriced by 2036: intelligence will become as cheap and ubiquitous as electricity, while electricity itself, …
Those Who Left the Cloud Made a Killing
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. …
Pigsty v4.5: 575 Extensions, Silo, Valkey, Kafka, and MySQL
Pigsty v4.5 is out, bringing the PostgreSQL extension count to 575, replacing MinIO with Silo for object storage, adding Valkey to the Redis module, and introducing pilot Kafka and MySQL modules, …
Why Are People Who Leave Big Tech So Useless?
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.
What Can a One-Person Company Ship with $1,000 a Month in AI Subscriptions?
Over the past month, I kept seven $200 AI subscriptions spinning—five paid, two comped—and burned through more than 100 billion tokens. Here is what came out: Silo, Pigsty, PGEXT, SOW, OINK, and a …
SOW: Postpartum Care for 100,000 Packages
The hard part of maintaining a PostgreSQL distribution is not compiling packages. At 100,000 artifacts, deduplication, indexing, snapshots, atomic cutovers, and incremental publishing become the real …
OINK: After Six Years of Wrestling with Documentation Frameworks, Codex Finally Got Me Over the Line
After six years of trying eight approaches, I used Codex to combine Docsy's engineering depth, Fumadocs' modern UX, and Hugo's simple delivery model into OINK.
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.centerA complete Chinese mirror of postgresql.org, including the PG 18 manual.
pgsql.ccAn aggregate operations library for PostgreSQL and the components around it.
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.