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Three Days in August: What a DDoS Attack Exposed in Our Network
In August 2026, a large DDoS attack hit a customer and our own network directly. What happened, where our defences fell short, and what changed since then.
8 min · 1,730 words
Rainmaker Raises $100M Series B to Scale Low-Cost Water Production and Weather Modification
Rainmaker Technology announced a $100 million Series B to expand atmospheric research and scale drone-based cloud seeding for freshwater production. The company says its radar and validation systems have linked operations to more than 145 million verified gallons of freshwater.
1 min · 263 words
How Google Agent Substrate Works: 250 Agents on 8 Pods
A technical breakdown of Google’s Agent Substrate: how it multiplexes hundreds of stateful agent sessions onto a handful of Kubernetes pods with fast suspend/resume.
11 min · 2,511 words
A file path looks like identity, but it is not: Ryan Galloway explains why treating paths as durable keys breaks pipelines, and what to use instead for content identity.
4 min · 1,016 words
Python Workers are now generally available
Cloudflare announces Python Workers GA: run Python on the Workers runtime with packages and frameworks that just work, two years after the first preview.
9 min · 2,066 words
A new world airport and its baggage
A longform history of Denver International Airport’s automated baggage system: ambition, failure, and what the wreckage still teaches about complex infrastructure.
32 min · 7,322 words
Farid Zakaria on dynamic derivations and nondeterministic build graphs ahead of NixCon 2026—when a build step can roll dice, and what that means for caching and reproducibility.
7 min · 1,636 words
Bartosz Fenski’s continuous benchmark suite for multi-device CoW filesystems (btrfs, ZFS, bcachefs) measures snapshot aging, compression, rebuild, ENOSPC, and other workloads classic single-disk fio tests miss.
14 min · 3,195 words
S3 Is the Future, S3 Is the Past
Amazon S3, and its analogues in other clouds, have become the foundation of the modern cloud software architecture. Today, nearly every data-intensive system is being built around S3. However, the hardware assumptions baked into S3’s design – and into all the software architectures that have emerged around it – are rapidly becoming obsolete.
3 min · 742 words
Own the Agent, Rent the Intelligence: Building My Always-On AI Agent Server
James M explains why a Mac mini M6 became his always-on Hermes agent server—routing hard work to cheap cloud models like DeepSeek Flash and Claude Sonnet instead of owning local inference hardware.
24 min · 5,439 words
Benchmarking LLM Inference at Scale with AIPerf
NVIDIA introduces AIPerf, the GenAI-Perf successor: a multiprocess LLM inference benchmarker that avoids client bottlenecks at high concurrency, with flexible load shapes, trace replay, and production-scale measurement guidance.
7 min · 1,661 words
Saving another 100TB of RAM with math (and Rust)
Cloudflare explains how math-heavy redesigns and Rust in Pingora cut another ~100TB of RAM across their global network by shrinking hot in-memory structures without sacrificing correctness.
14 min · 3,157 words
Vicent Martí explains why hosting Git at scale is hard, how centralized workflows clash with Git’s distributed design, and what Cursor learned about repository hosting performance and architecture.
23 min · 5,236 words
Dylan Patel's Information Machine
Substrate profiles Dylan Patel and SemiAnalysis: how a research shop became an information machine covering AI infrastructure, semiconductors, and the supply chains that power frontier models.
14 min · 3,133 words
Discover, then compile downThe great unbundling of the LLM
Seldon argues Jev's launch shows frontier LLMs will unbundle into specialized decision primitives, with durable value migrating to a discover-then-compile layer that routes settled work off expensive generation.
17 min · 3,849 words
Telstra outage: The night a network decided the year was 2006
The opposite is actually the case. If we do not have a common understanding of what “now” is, a lot of things we take for granted will stop working.
15 min · 3,430 words
Swap, ZRAM, Zswap and Hibernate on NixOS
Matthew Brunelle untangles swap vs ZRAM vs zswap for suspend-then-hibernate on NixOS: why hibernate needs real swap, how swap files complicate resume, and the config that finally worked after several wrong turns.
3 min · 780 words
How SpaceX Streamlined the Raptor Engine
Brian Potter walks through Raptor 1→3: how SpaceX deleted sensors and flanges, internalized plumbing with 3D printing, and cut vehicle-side heat-shield mass while raising thrust—and where complexity merely moved inside.
15 min · 3,366 words
Rate limits on GitLab.com are changing
Starting October 19, GitLab.com rate limits will align with your subscription. Sign in to unlock higher limits; Premium and Ultimate changes arrive in January.
5 min · 1,066 words
Size-Specialized Memory Allocation
Go 1.27 includes faster memory allocation for allocations of 80 bytes or fewer. Allocations can be up to 20-30% faster, making allocation-heavy programs up to 1% faster. The Go runtime improves the performance of those allocations by adding specialized functions that are used to allocate certain sizes. These specialized functions can then make certain assumptions that make them faster and easier to optimize. This blog post will explain how this works and how it makes your programs faster. Heap allocations are created by the runtime’s mallocgc function, which requires the…
7 min · 1,560 words