Topics /
The most popular blog posts about systems & performance on Hacker News. 553 posts.
Did you know that if your site’s under ~12kb the first page will load significantly faster? Servers only send a few packets (typically 10) in the initial round-trip while TCP is warming up (referred to as TCP slow start). After sending the first set of packets, it needs to wait for the client to acknowledge it…
"JVM Anatomy Quarks" is the on-going mini-post series, where every post is describing some elementary piece of knowledge about JVM. The name underlines the fact that the single post cannot be taken in isolation, and most pieces described here are going to readily interact with each other.
A post describing a simple example how you can create your own manual error recovery solution based on what is used in RAID-6, in Python.
This post is the last in a three-part series about Cranelift . In the first post , I covered overall context and the instruction-selection problem; in the second post , I took a deep dive into compiler performance via careful algorithmic design.
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
Version 0.9 of the Zig programming language is planned to release in about a week. One of the major changes coming in this release is a restructuring of how allocators work, which has been termed Allocgate . This is a breaking change to the Allocator API provided by the standard library, so pretty much any code that…
Updated in 2026: glibc 2.43 added experimental support for building with Clang. In September 2021, I wrote "So, dear glibc, will you be happy with my sending Clang patches?" in Build glibc with LLD 13. We have come to a turning point. In Linux Plumbers Conference 2021, at the glibc Birds of a Feather session, I asked…
Learn common performance pitfalls and discover techniques to optimize your DISTINCT PostgreSQL queries. Read the full article on the Tiger Data blog.
I usually write about security features or techniques on Windows. But today’s blog is not directly related to any security topics, other than the usual added risk that any new system call introduces. However, it’s an interesting addition to the I/O world in Windows that could be useful for developers and I thought it…
This post explains the project's motivation from several perspectives. Unix shell is an old and successful technology, so there are many ways of looking at it.
Joe Duffy's Blog | Adventures in the high-tech underbelly
Listen in on Jane Street’s Ron Minsky as he has conversations with engineers working on everything from clock synchronization to reliable multicast, build systems to reconfigurable hardware. Get a peek at how Jane Street approaches problems, and how those ideas relate to tech more broadly.
