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Postgres LISTEN/NOTIFY does not scale
Learn why Postgres LISTEN/NOTIFY doesn't scale for high-throughput use cases and what architectural alternatives Recall.ai uses in production.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,337 posts.
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Waiting for Postgres 18: Accelerating Disk Reads with Asynchronous I/O
Postgres 18 introduces Asynchronous I/O (AIO) that can dramatically improve read performance, especially in the cloud. Learn how these changes and the new io_method setting work and see why our benchmark results show that io_uring is the recommended setting for maximizing I/O performance in Postgres 18 over the…
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How Figma's databases team lived to tell the scale
Our nine month journey to horizontally shard Figma’s Postgres stack, and the key to unlocking (nearly) infinite scalability.
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SQLite as an Application File Format (2014)
An SQLite database file with a defined schema often makes an excellent application file format. Here are a dozen reasons why this is so:
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PostgreSQL 13
The PostgreSQL Global Development Group today announced the release of [PostgreSQL 13](https://www.postgresql.org/docs/13/release-13.html), the latest version of the world’s [most advanced …
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Kafka is Fast – I'll use Postgres
Why you should just use Postgres instead of Kafka for small-scale message queuing and pub-sub patterns. Benchmarks and practical tests included.
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Apache Arrow 3.0
The Apache Arrow team is pleased to announce the 3.0.0 release. This covers over 3 months of development work and includes 666 resolved issues from 106 distinct contributors. See the Install Page to learn how to get the libraries for your platform. The release notes below are not exhaustive and only expose selected…
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A Docker footgun led to a vandal deleting NewsBlur's MongoDB database
tl;dr: A vandal deleted NewsBlur’s MongoDB database during a migration. No data was stolen or lost.
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PostgreSQL 9.6 Released
PostgreSQL 9.6, the latest version of the world's leading open source database, was released today by the PostgreSQL Global Development …
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We analyzed 425k favicons
The humble favicon was messily birthed with the pernicious IE5 release. Since that fateful day, browsers have slowly expanded favicon technology to encompass many wildly differing and lightly documented use cases. Here in 2021 favicons are found primarily in browser tabs, home screens, and Google search results, but…
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SQLite in the browser with WASM/JS
WebAssembly , a.k.a. WASM, is a standard defining a low-level programming language suitable (A) as a target for cross-compilation from many other languages and (B) for running via a virtual machine in a browser. Designed with scriptability via JavaScript in mind, it provides a way to compile C code (among others) to…
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A summary of what quantitative trading firms do
This summary is an attempt to shed some light on modern quantitative trading since there is limited information available for people who are not already in the industry. Hopefully this is useful for students and candidates coming from outside the industry who are looking to understand what it’s like working for a…
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Many small queries are efficient in SQLite
200 SQL statements per webpage is excessive for client/server database engines like MySQL, PostgreSQL, or SQL Server.
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Osquery: Expose the operating system as a relational database
Visit the post for more.
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It's 2026, Just Use Postgres
Stop managing multiple databases. Postgres extensions replace Elasticsearch, Pinecone, Redis, MongoDB, and InfluxDB with BM25, vectors, JSONB.
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Creating a search engine with PostgreSQL
PostgreSQL provides the necessary building blocks for you to combine and create your own search engine for full-text search. Let's see how far we can take it.
109
The database servers powering Let's Encrypt
Let’s Encrypt helps to protect a huge portion of the Web by providing TLS certificates to more than 235 million websites. A database is at the heart of how Let’s Encrypt manages certificate issuance. If this database isn’t performing well enough, it can cause API errors and timeouts for our subscribers. Database…
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Michael Stonebraker wins Turing Award
Michael Stonebraker, an MIT researcher who has revolutionized the field of database management systems and founded multiple successful database companies, has won the Association for Computing Machinery's $1 million A.M. Turing Award, often referred to as “the Nobel Prize of computing.”
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Amazon S3 Adds Put-If-Match (Compare-and-Swap)
Discover more about what's new at AWS with Amazon S3 adds new functionality for conditional writes
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The startup's Postgres survival guide
A guide to preventing Postgres from toppling over.
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Migrating Facebook to MySQL 8.0
MySQL, an open source database developed by Oracle, powers some of Facebook’s most important workloads. We actively develop new features in MySQL to support our evolving requirements. These feature…
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Analyzing Cryptocurrencies Using PostgreSQL
Cryptocurrencies are fueling a modern day gold rush. Can data help us better understand this evolving market? Read the full article on the Tiger Data blog.
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Comparing Database Types
Many types of databases exist, each with their own benefits. In this guide, we compare the different types of databases and what each of them offer.
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New In Postgres 12: Generated Columns
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
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Vector indexing all of Wikipedia on a laptop
Indexing the entirety of English Wikipedia on a laptop has become a practical reality thanks to recent advances in the JVector library that will be part of the imminent 3.0 release.
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Open-Sourcing Vespa, Yahoo’s Data Processing and Serving Engine
Yahoo, the trusted guide for millions globally with iconic products for 30+ years—offers advertisers omnichannel solutions and powerful data to deliver results.