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The most popular blog posts about systems & performance on Hacker News. 165 posts.
As a Linux sysadmin in the 2010s, it's hard not to have an opinion on systemd. But what I find baffling about it is how divisive it is; nearly everyone (or at least the most vocal crowd) seems to either love it or hate it. When I tell people that systemd was the catalyst for my defection to OpenBSD last year, their…
There are roughly ten thousand bajillion (to the nearest bajillion) merchants registered with Stripe. We recently finished a Very Big Migration of Large Amounts Of Data between several database tables for every single one of them, without losing any of it, without any downtime, mis-reads or mis-writes, whilst running…
Translations: This article was translated to Simplified Chinese by Xiong Duo and to Korean by Matt Lee (이 성욱). Introduction I want to make solid-state drives (SSDs) the optimal storage solution for my key-value store project. For that reason, I had to make sure I fully understood how SSDs work, so that I can optimize
As of last nightly (2015-07-23), Firefox for Linux is using Gtk+3 instead of Gtk+2.
The Unix command line is full of surprises. For instance: did you know that the OS X version of the ls tool, most frequently used to get a list of the files in the current working directory, recognizes no fewer than 38 different flags?
Any time Facebook talks about technical matters I tend to listen. They have a track record of demonstrating engineering leadership in several spaces. And, unlike many companies that just talk, Facebook often gives others access to those ideas via source code and healthy open source projects. It's rare to see a company…
Cowboy is the most popular Erlang framework for writing web servers. It is really impressive to see what cowboy accomplishes with such…
Alex Clemmer is a computer programmer. Other programmers love Alex, excitedly describing him as "employed here" and "the boss's son".
Blog about network and security, showing example of Linux iptables and Snort configuration, and Windows security softwares.
Hardware performance “obviously” affects software performance and affects how software is optimized. For example, the fact that caches are multiple orders of magnitude faster than RAM means that blocked array accesses give better performance than repeatedly striding through an array.
The Rust programming language has been able to run on bare-metal without the standard library for quite some while now. However, most Rust applications depend on the std crate, and therefore still need a full operating system to run.
Learn what unikernels are, how they remove OS bloat between hardware and applications, and why they're gaining traction in cloud and microservices.
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Experienced professional software engineer based in York, UK
David Baron put this up in Mozilla’s San Francisco office a while back:
