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The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
Today, we'd like to share some of our recent work on Sherlock that allowed a pretty significant speedup when listing files in directories with a lot of entries. > Unlike our usual announcements, this post is more of a behind-the-scenes...
Offensive content in the eyes of a software engineer.
Benjamin Spector* , Jordan Juravsky* , Stuart Sul* , Dylan Lim , Owen Dugan , Simran Arora , Chris Ré
Posted by Fermin J. Serna, Staff Security Engineer and Kevin Stadmeyer, Technical Program Manager Have you ever been deep in the mines of ...
Most SQL database engines are implemented as a separate server process. Programs that want to access the database communicate with the server using some kind of interprocess communication (typically TCP/IP) to send requests to the server and to receive back results. SQLite does not work this way. With SQLite, the…
In this article, the author explores the concept of containers and how they are essentially chrooted processes. They walk through the process of bu...
About four months ago, we launched multi-process Firefox to a small group of Firefox 48 users. Shortly after the carefully measured roll-out, we increased to approximately 50% of our user ...
How a failing rsync run led to the discovery of a long-standing bug in the Linux TCP implementation.
As of today, the Wasmtime WebAssembly runtime is now at 1.0! This means that all of us in the Bytecode Alliance agree that it is fully ready to use in production.
The Google Cloud Console UI is a large JavaScript application. This article investigates how it could be sped up.
[Update: Wladimir Palant has posted a response on the AdBlock Plus blog. Also, a Chrome developer using the handle “Klathmon” has posted numerous good comments in the Reddit discussion of this post , explaining why ad-blockers are inherently CPU- and memory-intensive, and why integrating ad-blocking into a browser…
The single requirement of all data pipelines is that they cannot lose data. Data can usually be delayed or re-ordered–but never dropped.
Encrypting data at rest is vital for Cloudflare with more than 200 data centres across the world. In this post, we will investigate the performance of disk encryption on Linux and explain how we made it at least two times faster for ourselves and our customers!
Designed to bring aggressive C-like optimizations to the largest variety of JavaScript programs.
Get the latest product news, company announcements, and user insights from the official Reddit blog.
Cloudflare's global network is immense but not limitless. As we look for small ways to trim our resource usage, we sometimes get lucky and we can cut significantly more. Here’s how we reduced one of our Pingora-based service's RAM usage with statistics.
Walk through DuckDB's internals: how it skips serialization overhead, parses and optimizes SQL, and stores data in columnar row groups with zone maps.
The Continental European (CE) Power System -a large synchronized area stretching from Spain to Türkiye and from Poland to Netherlands; encompassing 25 countries- is experiencing a continuous system frequency deviation from the mean value of 50 Hz, and this since mid of January 2018.
If you’re a regular reader of Hacks, you probably know about Rust, the ground-breaking, community-driven systems programming language sponsored by Mozilla. I covered Rust on Hacks back in July, to ...
Porting Linux to Apple Silicon
In this article, you can find how setting the TZ environment variable can prevent thousands of system calls.
The V8 Lite project dramatically reduced the memory overhead of V8 on typical websites, this is how we did it.
We successfully deployed ThreadSanitizer in the Firefox project to eliminate data races in our remaining C/C++ components.
