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MongoDB Server Security Update, December 2025
The following is an update on the security vulnerability identified in December 2025.
New
The latest blog posts to take off on Hacker News. 151 posts.
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Using Vectorize to build an unreasonably good search engine in 160 lines of code
PartyKit now includes a vector database and access to an embedding model. Here’s a guide on how to use them to build a search engine.
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Research team digitizes more than 100 years of Canadian infectious disease data
The new, publicly accessible database contains more than a million infectious disease incidence counts dating back to 1903.
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$50 PlanetScale Metal Is GA for Postgres
We've lowered the entry price for using PlanetScale Metal to $50 and added more flexibility in storage-to-compute ratios.
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SQLite JSON at full index speed using generated columns
One of the coolest patterns in SQLite—store raw JSON documents, create virtual generated columns using json_extract, add indexes, and query JSON at full B-tree index speed.
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Litestream VFS
Query your SQLite database any time, anywhere
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Pg_ClickHouse: A Postgres extension for querying ClickHouse
Today, we’re pleased to release pg_clickhouse, an Apache 2-licensed PostgreSQL extension to transparently execute analytics queries on ClickHouse directly from PostgreSQL.
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Jepsen: NATS 2.12.1
NATS is a popular streaming system. Producers publish messages to streams , and consumers subscribe to those streams, fetching messages from them. Regular NATS streams are allowed to drop messages. However, NATS has a subsystem called JetStream , which uses the Raft consensus algorithm to replicate data among nodes…
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We collected 10k hours of neuro-language data in our basement
Over the last 6 months, we collected ~10k hours of data across thousands of unique individuals. As far as we know, this is the largest neuro-language dataset in the world. [1] See here , here , here , here , and here (discussion only, no data available) for some of the larger datasets. See recent papers discussing the…
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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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Super fast aggregations in PostgreSQL 19
See how PostgreSQL 19 speeds up aggregations by aggregating before joins, with a benchmark showing over 5x faster execution.
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Data-at-Rest Encryption in DuckDB
DuckDB 1.4 ships database encryption capabilities. In this blog post, we dive into the implementation details of the encryption, show how to use it, and demonstrate its performance implications.
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AA-Omniscience v1.1: Knowledge and Hallucination Benchmark
Compare AI model performance on AA-Omniscience v1.1: Knowledge and Hallucination Benchmark. A benchmark measuring factual recall and hallucination across various economically relevant domains.
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A race condition in Aurora RDS
See how we diagnosed and confirmed an AWS Aurora RDS race condition impacting failovers.
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Backblaze Drive Stats for Q3 2025
Read the Q3 2025 Drive Stats report to see the latest annualized failure rates, and an analysis of how we define failure in the first place.
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We cut our Mongo DB costs by 90% by moving to Hetzner
We moved MongoDB Atlas off AWS and onto self-hosted Hetzner boxes — 90% cost cut, no performance loss. Here's the setup, the Ansible, and what broke.
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SQLite concurrency and why you should care about it
SQLite is a powerful database engine, but due to its design, it has limitations that should not be overlooked.
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Using the expand and contract pattern for schema changes
In this article, we introduce the expand and contract pattern to help migrate data and clients to a new schema.
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Use DuckDB-WASM to query TB of data in browser
The Library Innovation Lab is growing knowledge and community by bringing library principles to technological frontiers.
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PlanetScale Offering $5 Databases
Introducing the $5 PlanetScale plan.
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Replacing EBS and Rethinking Postgres Storage from First Principles
Fluid Storage reimagines block storage like EBS with zero-copy forks, true elasticity, and sync replication. Built for the age of agents.
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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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A sharded DuckDB on 63 nodes runs 1T row aggregation challenge in 5 sec
What happens when you give a distributed SQL engine a trillion-row dataset? GizmoEdge crushed the Coiled challenge with a 1,000-worker cluster on Azure.
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JupyterGIS breaks through to the next level
Launched in June 2024, JupyterGIS was introduced as a collaborative, web-based GIS environment built on the JupyterLab framework. Its objective is to
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Is Postgres read heavy or write heavy?
A query to find out if Postgres is read heavy or write heavy and tips for optimizing Postgres for both read and write workloads.
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Are hard drives getting better?
After 13 years, the data is clear—the bathtub curve does not apply to hard drives. And, more importantly, hard drives are failing less and lasting longer.
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Exploring PostgreSQL 18's new UUIDv7 support
Exploring what's interesting about UUIDv7 support using a demo crab store.