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ICE using Palantir tool that feeds on Medicaid data
ICE is using a Palantir tool that uses Medicaid and other government data to stalk people for arrest. This is exactly the kind of data privacy abuse that EFF has been warning about.
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 134 posts.
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Tracking down the 16-year-old WAL-reset SQLite bug
Tailscale and SQLite developers traced maddening corruption incidents to find the WAL-Reset data race, then uncovered a second stale expression index bug.
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GLM-5.2 is the new leading open weights model on Artificial Analysis
Benchmarks and Analysis of GLM-5.2
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SQLite is all you need for durable workflows
DBOS recently argued that Postgres is all you need for durable execution: if you already trust your database, you do not need a separate orchestration tier. I a…
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A Preview of DuckDB v2.0
DuckDB 2.0 is coming this fall. In this post, we preview its headline features: DuckDB as a server, triggers, the VARIANT type, asynchronous I/O, a new SQL parser, a new storage format, and much more.
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SQLite Is a Library of Congress Recommended Storage Format
SQLite is a Recommended Storage Format for datasets according to the US Library of Congress . Further information:
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Timestral: Mistral's time-series foundation models
State-of-the-art probabilistic forecasting in four sizes (5M–209M params), CPU-efficient, zero-shot ready.
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A Jev that can ask Opus for help gives Opus accuracy at 4x lower cost
We tested Jev and GPT-6 Luna as judges for identity resolution. A hybrid of Jev and Claude Opus matched frontier accuracy at over 4x lower cost.
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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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The startup's Postgres survival guide
A guide to preventing Postgres from toppling over.
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DuckDB Internals Part 1
Walk through DuckDB's internals: how it skips serialization overhead, parses and optimizes SQL, and stores data in columnar row groups with zone maps.
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Polars 2.0
The release Python Polars 2.0, bringing the streaming engine, out-of-core and first class blazingly fast SQL support
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DuckDB 2.0.0 LTS “Cinnamon Teal”
The DuckDB team is happy to announce that today we're releasing DuckDB version 2.0.0 LTS, codenamed “Cinnamon Teal” (Spatula cyanoptera). This is our biggest feature release so far, and it ships a polished version of the Quack protocol, asynchronous I/O, a first-class VARIANT type, agent mode, triggers, an extensible…
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ggsql: A Grammar of Graphics for SQL
Introducing ggsql, a grammar of graphics for SQL that lets you describe visualizations directly inside SQL queries.
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Beating GPT-5.6 Sol on retrieval with 100x cheaper open models
A 4B open-source model post-trained with Castform retrieved search results as accurately as GPT-5.6 Sol, while costing 100x less.
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PingCap TiDB Leaks
PingCAP Inc. / TiDB Cloud • Distributed databases • 10.6 TB total exfiltration • 200 GB stage one release
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Ubiquiti: Enterprise NAS, Built on ZFS
Discover ENAS, the license-free enterprise storage platform featuring native ZFS, secure UniFi management, scalable petabyte-class capacity, multi-site backups, and shared iSCSI storage for modern business infrastructure.
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RIP, vector database
turbopuffer is pushing the frontier of search. To do that, we have to fundamentally redesign our storage architecture so the vector index is no longer primary.
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Pre-Release of Polars 2.0
Preview of Python Polars 2.0, bringing the streaming engine to all lazy queries
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Quack: The DuckDB Client-Server Protocol
DuckDB instances can now talk to each other using the Quack remote protocol. This lets you run DuckDB in a client-server setup with multiple concurrent writers. In DuckDB's spirit, Quack is simple to set up and builds on proven technologies such as HTTP. It's also fast, which allows it to support workloads ranging…
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Big data on the cheapest MacBook
How does the latest entry-level MacBook perform on database workloads? We benchmarked it using ClickBench and TPC-DS SF300. We found that it could complete both workloads, sometimes with surprisingly good results.
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Postgres LISTEN/NOTIFY actually scales
How we optimized Postgres LISTEN/NOTIFY-backed data streams to 60K writes per second on a single Postgres server, with millisecond-scale latency.
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What happens when US economic data becomes unreliable
Sound economic planning and policymaking requires trustworthy data. Private data can serve as a complement but not fully replace official U.S. statistics.
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Jepsen: ParticleDB 1.1.4
Modern applications often spread state across a variety of systems: databases, caches, queues, data warehouses, search indices, and so on. Coordinating these systems is challenging: caches are often stale, the analytics platform might lag days behind the primary database, the search index might lose data, and…
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Building durable workflows on Postgres
Explaining the concept of a Postgres-backed durable execution system like DBOS and comparing it to external workflow orchestration systems like Temporal.
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Scaling PostgreSQL to power 800M ChatGPT users
An inside look at how OpenAI scaled PostgreSQL to millions of queries per second using replicas, caching, rate limiting, and workload isolation.
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We replaced Redis with MySQL for inventory reservations and it scaled
How we used SKIP LOCKED, composite primary keys, and connection visibility to hit our scale targets.
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Grok 4.6 scores 61 on the Artificial Analysis Intelligence Index
SpaceXAI returns to the intelligence frontier with strengths in agentic performance and cost efficiency