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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 308 posts.
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Jepsen: PostgreSQL 12.3
PostgreSQL is a major open-source relational database with a 23-year history and a broad range of features. While Jepsen’s work has traditionally focused on distributed systems, our tooling is readily applicable to traditional, single-node databases. In this report, we present the results of applying Jepsen’s…
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LiteFS
We are building a distributed file system for your SQLite databases. Kinda weird, huh?
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How Discord Stores Billions of Messages Using Cassandra
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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What is a Vector Database? (2021)
Discover Vector Databases: How They Work, Examples, Use Cases, Pros & Cons, Selection and Implementation. They have combined capabilities of traditional databases and standalone vector indexes while specializing for vector embeddings.
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An Unlikely Database Migration
From JSON Files to etcd: A Tailscale Database Migration Story
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Transit – A format for conveying values between different languages
We are pleased to announce today the initial release of Transit. Transit is a format and set of libraries for conveying values between applications written i...
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Hedge funds use satellite images to beat Wall Street
Berkeley Haas research finds there may be a dark side to the rise of “alternative data” in capital markets While Assoc. Prof. Panos Patatoukas was discussing Walmart in his Financial Information Analysis course last year, a student brought up the story of how company founder Sam Walton used to count cars in store…
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Estimation of total mortality due to COVID-19
Our updated modeling strategy now estimates total COVID-19 mortality, including unreported deaths due to COVID-19.
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Partitioning GitHub’s relational databases to handle scale
In 2019, to meet growth and availability challenges, we set a plan in motion to improve our tooling and ability to partition relational databases.
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State of AI: An Empirical 100T Token Study with OpenRouter
Read OpenRouter's 2025 State of AI report — an empirical 100 trillion token study of real LLM usage, model trends, and developer insights.
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Online tracking: A 1-million-site measurement and analysis
Online tracking: A 1-million-site measurement and analysis is the largest and most detailed measurement of online tracking to date. We measure stateful (cookie-based) and stateless (fingerprinting-based) tracking, the effect of browser privacy tools, and "cookie syncing". This measurement is made possible by our web…
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LLaMA2 Chat 70B outperformed ChatGPT
AlpacaEval an LLM-based automatic evaluation that is fast, cheap, and reliable. It is based on the AlpacaFarm evaluation set, which tests the ability of models to follow general user instructions. These responses are then compared to reference responses (Davinci003 for AlpacaEval, GPT-4 Preview for AlpacaEval 2.0) by…
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What SMART Stats Tell Us About Hard Drives
Have you ever wondered what your hard drive SMART errors actually mean? Find out what we look at to determine if a drive is about to fail.
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Citus 10 brings columnar compression to Postgres
Deep dive into Citus columnar storage for Postgres. Includes a quickstart, as well as performance measurements for data loading, compression ratios, and query response times. Also covers how columnar relates to Citus, integration with Postgres range partitioning, limitations, & ways to get started.
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Extracting Structured Data from Recipes Using Conditional Random Fields (2015)
Erica Greene describes the tool that she built to extract structured data from recipes.
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Scaling Out PostgreSQL for CloudFlare Analytics Using CitusDB (YC S11)
When I joined CloudFlare about 18 months ago, we had just started to build out our new Data Platform. At that point, the log processing and analytics pipeline built in the early days of the company had reached its limits.
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What can 6,000 electric vehicles tell us about EV battery health?
Analysis of electric vehicle battery health of 22K+ EVs reveals a 2.3% average battery degradation rate. High-power DC fast charging is the top risk factor.
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The Evaporative Cooling Effect in Social Networks (2010)
http://blog.bumblebeelabs.com/social-software-sundays-2-the-evaporative-cooling-effect/
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Announcing SQL Server on Linux
It’s been an incredible year for the data business at Microsoft and an incredible year for data across the industry. This Thursday at our Data Driven event in New York, we will kick off a wave of launch activities for SQL Server 2016 with general availability later this year. This is the most significant release...
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Datomic is Free
Nubank is making all editions of Datomic free of licensing fees, released under Apache 2.0 and available directly from Maven Central, no signup required.