15 posts
cloudflare Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen 2026-04-22 Guy Bedford Hood Chatham Logan Gatlin Rust Workers run on the Cloudflare Workers platform by compiling Rust to WebAssembly, but as we’ve found, WebAssembly has some sharp edges. When things go wron…
cloudflare Unweight: how we compressed an LLM 22% without sacrificing quality 2026-04-17 Mari Galicer Ivan Nikulin Chris Branch Running inference within 50ms of 95% of the world's Internet-connected population means being ruthlessly efficient with GPU memory. Last year we improved memory u…
cloudflare Launching Cloudflare’s Gen 13 servers: trading cache for cores for 2x edge compute performance 2026-03-23 Syona Sarma JQ Lau Jesse Brandeburg Two years ago, Cloudflare deployed our 12th Generation server fleet, based on AMD EPYC™ Genoa-X processors with their massive 3D V-Cache.…
cloudflare Inside Gen 13: how we built our most powerful server yet 2026-03-23 Syona Sarma JQ Lau Ma Xiong Victor Hwang A few months ago, Cloudflare announced the transition to FL2, our Rust-based rewrite of Cloudflare's core request handling layer. This transition accelerates our ability…
aws Twenty years of Amazon S3 and building what’s next Twenty years ago today, on March 14, 2006, Amazon Simple Storage Service (Amazon S3) quietly launched with a modest one-paragraph announcement on the What’s New page: Amazon S3 is storage for the Internet. It is designed to make…
cloudflare Shedding old code with ecdysis: graceful restarts for Rust services at Cloudflare 2026-02-13 Manuel Olguín Muñoz ecdysis | ˈekdəsəs |noun the process of shedding the old skin (in reptiles) or casting off the outer cuticle (in insects and other arthropods). ecdysis | ˈekdəsəs | n…
meta WhatsApp has adopted and rolled out a new layer of security for users – built with Rust – as part of its effort to harden defenses against malware threats. WhatsApp’s experience creating and distributing our media consistency library in Rust to billions of devices and browsers p…
cloudflare What came first: the CNAME or the A record? 2026-01-14 Sebastiaan Neuteboom On January 8, 2026, a routine update to 1.1.1.1 aimed at reducing memory usage accidentally triggered a wave of DNS resolution failures for users across the Internet. The root cause wasn't an attack or a…
datadog Khayyam Guliyev Duarte Nunes Ming Chen Justin Jaffray As Datadog continues to scale, the volume, complexity, and cardinality of the metrics we ingest and store steadily grow by orders of magnitude. This growth pushes the boundaries of our core timeseries database—the internal sy…
datadog Jason Thomas Senior Staff Engineer Brandon West Rosa Trieu A few years ago, we had to scramble to find a quiet place for meetings to avoid the inevitable interruptions—leaf blowers, barking dogs, and kids shouting in the background. Today, thanks to the pervasiveness of both rem…
datadog AJ Stuyvenberg Jordan González Building serverless applications offers developers flexibility, scalability, and a smooth development experience. But while serverless environments automatically scale with demand, they also introduce resource constraints that can impact performanc…
datadog Julien Delange Kassen Qian Rosa Trieu When Codiga joined Datadog last year, we integrated our static analyzer product with Datadog's infrastructure to release Datadog Code Analysis. Codiga's static analyzer was written in Java and supported code analysis for Python, JavaScript,…
datadog Christophe Nasarre The first part of this series introduced the high level architecture of the Datadog .NET continuous profiler. I discussed its initialization and the impact of the .NET runtime (CLR) version to figure out which CLR services to use. The goal of the profiler is t…
figma How Figma draws inspiration from the gaming world Inside Figma Infrastructure Engineering Behind the scenes Engineering Manager Alice Ching discusses the parallels between developing gaming interfaces and building Figma and FigJam, and why our tech stack is more similar to a gam…
datadog Glauber Costa When it comes to reducing cloud costs, optimizing bottlenecks in your code can only take you so far. It may be time to rethink your architecture. Perhaps you’re looking for a new architecture that takes into account the capabilities that modern hardware and softwar…