The latest blog posts to take off on Hacker News. 1,888 posts.
For quite some time now, i have been working on and off on a fully self-hosted search engine , in hope to make it easier to search across Personal data in an end to end manner. Even as individuals, we are hoarding and generating more and more data with no end in sight. Such "personal" data is being stored from local…
A comprehensive guide to CRDTs and their tradeoffs, from counters to sequences. Written in the spirit of the Typeclassopedia, exploring how different CRDTs solve the distributed consensus puzzle.
It may be a good language for data science, but it’s not a great one.
I like slim and stupid servers, where each endpoint wraps a very dumb DB query. Dumb queries are fast. Fast queries make websites smooth and snappy. Keep those click/render loops sacred. Sweep complexity under a task table.
Lately, there has been a lot of excitement around Durable Execution (DE) engines. The basic idea of DE is to take (potentially long-running) multi-step workflows, such as processing a purchase order …
You don't need Elasticsearch for most projects. I built a simple search engine from scratch that tokenizes everything, stores it in your existing database, and scores results by relevance. Dead simple to understand and maintain.
How would you allocate money to a set of independent assets with to minimize volatility if some assets are more volatile than others?
Stop deploying broken SQL queries. RegreSQL provides regression testing for PostgreSQL queries with performance baselines and automated warnings.
An in-depth guide to listening to Postgres database changes through the WAL. Covers logical replication, publications, replication slots, and an Elixir implementation.
Rene Schallner (@renerocksai): software engineer turned AI researcher and engineer, in Vienna.
A few years back I did a bit of dance music related data visualization over at Lazily Evaluated. My favourite was an analysis of clubs and their lineups using Resident Advisor / RA data, I called it Clubster Analysis. I always wanted to dig into the technical aspects of gathering the data, analyzing it and building…
Datalog primer and a neat data structure
Jonathan Arns's personal blog
The real limitations of pgvector in production: index choice between IVFFlat and HNSW, why real-time search is hard, pre- vs post-filtering pain, how performance degrades at scale, and when a dedicated vector database is the better call.
Durable execution with just postgres.
6.2k words, 29 minutes reading time
/dev/null is web scale
Since this article will probably have more reach than my usual rambling, It'll be written in English (but let's not make a habit of it).
A step-by-step guide to building a key-value database from scratch.
Lessons learned from building RAG systems for Usul AI and enterprise clients, processing over 13 million pages.
Your product's core abstractions determine whether new features compound into a moat or just add to a feature list. Here's how to get it right.
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
the psql client version 18 comes with pipelining, which can speed up client-server communication. In this post, let's see how it works and how much can be g...
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
OpenAI recently released their open-weights model. Here we'll discuss how that inevitably leaks some information about their model training stack, and, on the way, show that GPT-5 was trained on phrases from adult websites....
I’ve been working in AI and search for a decade. First, I built Doctrine, the largest European legal search engine, and now I am building Fintool , an AI-powered financial research platform that helps institutional investors analyze companies, screen stocks, and make investment decisions.
