271
Who has the fastest F1 website (2021)
Deep-diving on the load performance of F1 websites.
New
The latest blog posts to take off on Hacker News. 543 posts.
272
There is no memory safety without thread safety
Memory safety is all the rage these days. But what does the term even mean? That turns out to be harder to nail down than you may think. Typically, people use this term to refer to language...
273
What to expect from Debian/Trixie
Update on 2025-07-28: added note about Debian 13/trixie support for OpenVox (thanks, Ben Ford!)
274
20 years of Linux on the Desktop (part 4)
20 years of Linux on the Desktop (part 4) par Ploum - Lionel Dricot.
275
Erlang 28 on GRiSP Nano using only 16 MB
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
276
New records on Wendelstein 7-X
Wendelstein 7-X—the leading fusion device of the stellarator type—achieved several new performance milestones during its latest run of experiments. Among them is a world record for triple product, the value that measures how close a fusion device is to generating net energy across the plasma.
277
We made Postgres writes faster, but it broke replication
Exploring LSM tree implementation in PostgreSQL for better write performance.
278
I wasted weeks hand optimizing assembly because I benchmarked on random data
The target system was a distributed data processing platform that ran across hundreds of thousands of machines. At such scales, a 0.5% improvement would easily make up my salary going forward, and 2% was a good result for the half.
279
Async I/O on Linux in databases
I've been working on a complex multi-model database for a few weeks now, and recently I took time to simplify and test out an idea I had on a simple key-value database. I started with the basics: A hash table in memory, a simple append-only log
280
The curious case of the Unix workstation layout
Cathode Ray Dude recently did an excellent video about the history of the PC case, particularly the early- and mid-1990s, and the various mainboard layouts that pre-date the ATX standard. You should watch it. Here it is.
281
Asynchrony is not concurrency
Yes I know about that one talk from Rob Pike.
282
283
When root meets immutable: OpenBSD chflags vs. log tampering
Rafael Sadowski
284
How we tracked down a Go 1.24 memory regression
We rolled out Go 1.24 and saw a memory regression. Here’s how we dug into system metrics, uncovered a bug in the runtime allocator, and worked with the Go team to help fix it.
285
When Sigterm Does Nothing: A Postgres Mystery
A story about a bug with logical replication slot creation on Postgres read replicas
286
Strategies for Fast Lexers
Making compilation pipelines fast, starting with the tokenizer
287
Let's Learn x86-64 Assembly (2020)
The way I was taught x86 assembly at the university had been completely outdated for many years by the time I had my first class. It was around 2008 or 2009, and 64-bit processors had already started becoming a thing even in my neck of the woods. Meanwhile, we were doing DOS, real-mode, memory segmentation and all the…
288
Does showing seconds in the system tray actually use more power?
Welcome to LTT Labs - your go-to destination for all things tech. Explore comprehensive test results, insightful commentary, and the latest analysis in hardware.
289
Zig's New Async I/O
Asynchrony is not concurrency.
290
Running a million-board chess MMO in a single process
How one million chessboards works
291
Diagnosing a Double-Free Concurrency Bug in Rust's Unbounded Channels
Explore how Materialize engineers diagnosed and resolved a rare concurrency bug in Rust's unbounded channels that led to undefined behavior through double-free memory errors.
292
Systemd has been a complete, utter, unmitigated success
Eleven init systems enter, one init system leaves.
293
Leveraging Elixir's hot code loading capabilities to modularize a monolithic app
How hot code loading solves client-specific engineering problems in my startup Alzo
294
Serving a half billion requests per day with Rust and CGI
In my previous post Serving 200 million requests per day with a cgi-bin, I did some quick performance testing of CGI using a program written in Go. Go works excellently for CGI programs, for many of the same reasons it works so well for CLI programs and system daemons. But, out of curiosity, I decided to do a bit more…
295
Postgres LISTEN/NOTIFY does not scale
Learn why Postgres LISTEN/NOTIFY doesn't scale for high-throughput use cases and what architectural alternatives Recall.ai uses in production.
296
Serving 200M requests per day with a CGI-bin
Jake Gold tests how well 90s-era CGI works today, using a Go + SQLite CGI program running on a 16-thread AMD 3700X. Using CGI on modest hardware, it’s possible to …
297
Speeding up PostgreSQL dump/restore snapshots
How targeted improvements helped us speed up bulk data loads and complex schemas.
298
Local-first software (2019)
A new generation of collaborative software that allows users to retain ownership of their data.
299
The messy reality of SIMD (vector) functions
We’ve discussed SIMD and vectorization extensively on this blog, and it was only a matter of time before SIMD (or vector) functions came up. In this post, we explore what SIMD functions are, when they are useful, and how to declare and use them effectively. A SIMD function is a function that processes more than… Read
300
What Microchip doesn't (officially) tell you about the VSC8512
This is part 3 of my ongoing series about LATENTRED, my project to create an open source 1U managed Ethernet switch from scratch.