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ClickHouse raises $350M Series C
ClickHouse, Inc., a leader in real-time analytics, data warehousing, observability, and AI/ML, today announced it has raised $350 million in Series C financing.
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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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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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Fabric Is Just Plain Unreliable, and Microsoft's Hiding It
Update 2025/07/21: Microsoft heard the complaints, and fixed the reliability added a better status page. Baby steps. Last week, Microsoft Fabric went down yet again for hours on multiple continents. Oh, you didn’t hear about it? Let’s talk about why. First, Fabric’s status page is fabricated bullshit. The link…
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When Sigterm Does Nothing: A Postgres Mystery
A story about a bug with logical replication slot creation on Postgres read replicas
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Windows ML is generally available
The future of AI is hybrid, utilizing the respective strengths of cloud and client while harnessing every Windows device to achieve more. At Microsoft, we are reimagining what’s possible by bringing powerful AI compute directly to Windows devices,
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Vector database that can index 1B vectors in 48M
Discover why we built Vectroid, a serverless vector database that delivers exceptional accuracy and low latency without compromising on cost. Learn about our approach to solving the traditional tradeoffs between speed, accuracy, and cost in vector search.
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SQLite's Use of Tcl (2017)
The design of SQLite was inspired by the design of TCL, both in the way it handles datatypes and in the formatting of its source code. The index use case for SQLite was in a Tcl/Tk application for an industrial company. From its inception, SQLite has always depended heavily on TCL. These days, SQLite no longer uses…
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Arroyo (YC W23) has been acquired by Cloudflare
Arroyo has been acquired by Cloudflare to bring serverless SQL stream processing to the Cloudflare Developer Platfrorm, integrated with Queues, Workers, and R2. The Arroyo Engine will remain open-source and self-hostable.
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Conformance checking at MongoDB: Testing that our code matches our TLA+ specs
Testing code fidelity with TLA+ specs at MongoDB. Explore conformance checking experiences and agile modelling in distributed systems.
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OpenSearch 3.0 Released
The OpenSearch Software Foundation today announced the general availability of OpenSearch 3.0. This major release delivers a 9.5x performance improvement over OpenSearch 1.3, building on benchmarking data that showed earlier iterations of OpenSearch operating 1.6x faster than its closest industry competitor.
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KumoRFM: A Foundation Model for In-Context Learning on Relational Data
Introduction to Kumo Relational — the relational foundation model for predictive AI on relational data
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A love letter to the CSV format (2024)
why people pretending CSV is dead are wrong
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MongoDB Server Security Update, December 2025
The following is an update on the security vulnerability identified in December 2025.
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Dbt Labs acquires SDF Labs
dbt Labs has acquired SDF Labs to enhance analytics engineering solutions. Learn how this partnership strengthens the modern data stack.
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Data engineering and software engineering are converging
The official JS client for connecting to ClickHouse.
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I solved a distributed queue problem after 15 years
Learn how queues make horizontal scaling, scheduling, and flow control easier in cloud systems, and how to make them durable and observable.
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Representing Python notebooks as dataflow graphs
How and why marimo represents notebooks as dataflow graphs
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OpenTelemetry protocol with Apache Arrow
We are excited to announce the next phase of the OpenTelemetry Protocol with Apache Arrow project (OTel-Arrow). We began this project several years ago with the goal of bridging between OpenTelemetry data and the Apache Arrow ecosystem. Apache Arrow is a framework designed for zero-copy exchange of structured data…
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How NASA Is Using Graph Technology and LLMs to Build a People Knowledge Graph
Missed NASA’s People Graph webinar? Catch the recap and see how graph technology and AI are shaping the future of workforce intelligence.
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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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Keeping our free tier sustainable by preventing abuse
A free tier allows people to try a SaaS without paying first, but it opens up the service to bad actors. Here's how we balance preventing bad actors while still supporting legitimate users.
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ClickHouse vs PostgreSQL UPDATE performance comparison
See how ClickHouse’s update speed stacks up against PostgreSQL on the same data and hardware.
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MySQL at Uber
At Uber, our MySQL® fleet is the backbone of our data infrastructure, supporting a vast array of operations critical to our platform. Uber operates an extensive MySQL fleet, consisting of over 2,300 independent clusters. Building a control plane to manage this fleet at such a massive scale, while ensuring zero…
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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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Apache Iceberg now supports geospatial data types natively
Apache Iceberg and Parquet now support native geospatial types, connecting Wherobots, PostGIS, Sedona, Databricks, and Snowflake to one table format.
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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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Tracing Military Command Chains Through Time and Location
Case Study ⸺ Using novel technology to analyze groundbreaking chain of command research
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Using watermarks to coordinate change data capture in Postgres
Explore the challenges of building a change data capture (CDC) pipeline for Postgres. And see how Sequin used a watermark design inspired by Netflix's DBLog.
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