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The most popular blog posts about systems & performance on Hacker News. 6,942 posts.
Maybe you have been reading recently about the release of OpenBSD 6.5 and wonder, 'What are the differences between Linux and OpenBSD?' I've also been there at some point in the past and these are my conclusions. They also apply, to some extent,
We’ve written previously about the fact that the Internet seems to be missing a standard protocol for the request/response paradigm, with repeated attempts to force-fit TCP leading to inevitable mismatches. Sometimes we feel that we are the only people who think this way, with our networking
tar.gz files seem to include extra files starting with ._. When these are extracted on Linux, a bunch of errors are displayed.
For a lark I made an ext4 file system with a billion empty files. https://gitlab.com/larswirzenius/create-empty-files has the program I wrote for this. I've done this before , but this time I made it a little simpler for me to do it again: everything in one Rust program rather than clunky scripts.
This week's release of Firefox includes the beginning of a pretty cool feature. The Firefox Health Report is a new system we've built to log basic health information about your ...
When a radically different technology comes along it usually takes time before we figure out how to apply it. When we had steam engines running factories there was one engine in each factory with a giant driveshaft running through the whole factory. When the electric engine came along people started replacing the…
The ListenBrainz team has been working hard on moving our primary listen store from InfluxDB to TimescaleDB , and today at UTC 16:00 we’re going to make the switch.
An in-depth exploration of what happens when Rust and C memory allocators collide, featuring crash analysis.
MariaDB 10.1 not only contains tons of new features, it has also been polished to deliver top performance. The biggest improvement has been achieved for scalability on massively multithreaded hardware. The following numbers show the throughput for a simplified sysbench OLTP benchmark on MariaDB-10.1.8 compared to…
How to stop Windows throttling your game, set DPI awareness programatically, use Application Manifests in Rust and prefer discrete GPUs to integrated in OpenGL.
Learn what unikernels are, how they remove OS bloat between hardware and applications, and why they're gaining traction in cloud and microservices.
Adapteva is now Zero ASIC - www.zeroasic.com
SourceFS - a high-performance virtual filesystem that builds Android 9× faster, cuts compute costs by 14×, and reduces disk usage by 83× — unlocking a new level of developer productivity.
So many possible introductions to this one: Windows 7: Sheesh, I sure am slow at creating processes Windows 10: Hold my beer… Or how about: A) How long does CreateProcess take on Windows? B) How lo…
This document contains a summary of changes made to HelenOS since release 0.7.2 .
In this post I explain a little about how to use Java’s Vector APIs, attempt to explain how they turn out fast, and then use them to implement a sorting algorithm 3x faster than Arrays.sort . I then explain some problems I found, and how I resolved them. Supporting code is published here .
Rafael Sadowski
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the tools I use, some of which ended up on…
ISRG has been investing heavily in the Rustls TLS library over the past few years. Our goal is to create a library that is both memory safe and a leader in performance. Back in January of this year we published a post about the start of our performance journey. We've come a long way since then and we're excited to…
I’m happy to announce that today we’re releasing Qubes OS 3.1! The major new architectural feature of this release has been the introduction of the Qubes Management infrastructure, which is based on the popular Salt management software. In Qubes 3.1, this management stack makes it possi...
If you missed my previous post on Understanding Postgres Performance its a great starting point. On this particular post I’m going to dig in to some real life examples of optimizing queries and indexes. It all starts with stats I wrote about some of the great new features in Postgres 9.2 in the recent announcement on…
Postgres 19 brings native temporal table support. Shaun Thomas covers WITHOUT OVERLAPS, FOR PORTION OF, and temporal foreign keys - and what's still missing.
