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Systems & Performance

The most popular blog posts about systems & performance on Hacker News. 6,943 posts.

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5949

A System-Witch’s Package Manager Murder Mystery

It was a calm day on the puppy-linux thinkpad. The CPU was cool, the RAM was operating at double data rate, and a gentle breeze flowed through the chassis as the fan whirred away. A girl wanted to log onto Discord to chat with her friends, but much to her dismay, Discord needed a package update! No matter, such things…

5953

Speeding up the Rust edit-build-run cycle

There are two main aspects to compile times that matter to developers. Cold build times, when building from scratch and warm build times when you’ve already built and you’re rebuilding following an edit. This article focuses on warm build times, which for rapid iteration during development is what generally matters…

5954

Build Unix, Not Uber

I spent the last three weeks in Seoul, partly visiting family I hadn’t seen in years and partly taking a vacation from my usual work in my usual city in my usual context of life. While I haven’t been able to work much at all, I spent my subway rides and waiting-in-line times reading the Singularity Sky series of…

5956

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…

5962

Google's response to Reptar CPU vulnerability

Just as Vulnerability Research is an important area of focus at Google, so is Vulnerability Response to critical and complex vulnerabilities. Vulnerability Response at Google not only helps secure Google’s products and users, but in certain cases, it affects millions of devices across the Internet. In this post, we'll…

5964

Dissecting the gzip format (2011)

In this article I describe the DEFLATE algorithm that GZIP implements and depends on. The DEFLATE algorithm uses a combination of LZ77, Huffman codes and run-length-encoding; this article describes each in detail by walking through an example and developing source code to implement the algorithm. My aim is to…