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SIMD in Rust
An overview of my work on improving SIMD in Rust.
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What We Talk About When We Talk About Distributed Systems
For quite some time now I’ve been trying to learn about distributed systems, and it’s appropriate to say that once you start digging, there seems to be no end to it, the rabbit hole goes on and on. The literature in distributed systems is quite extensive, with lots of papers coming from different universities, plus…
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151-byte static Linux binary in Rust
Part of the sales pitch for Rust is that it's "as bare metal as C". 1 Rust can do anything C can do, run anywhere C can run, 2 with code...
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Fedora 23 released
It’s (approximately) Halloween, so you know what that means — new Fedora! The Fedora 23 release is here, and it’s better than ever before. We’re pleased to bring you the latest incarnations of the three main Fedora editions — Fedora Workstation, Fedora Cloud, and Fedora Server, each built with love by the Fedora…
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Structural and semantic deficiencies in the systemd architecture
I was finally tempted into writing this from a Hacker News discussion on “ Debian Dropping the Linux Standard Base ,” where some interest was expressed in reading an architectural critique of systemd.
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Why Are Geospatial Databases So Hard to Build?
In 2005, I decided to design my first geospatial database engine. PostGIS was unable to keep up with the modest volumes of sensor data I was working with and while I was new to geospatial data, I had skill designing database engines. It seemed simple enough to get the scale and performance I required. Nothing could…
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EC2 Update – T2.Nano Instances Now Available
We announced the t2.nano instances earlier this year. Like their larger siblings (t2.micro, t2.small, t2.medium, and t2.large), these instances provide a baseline level of processing power, along with the ability to save up unused cycles and use them when the need arises. As I noted in my earlier post (New T2.Large…
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Bypassing the Linux kernel for high-performance packet filtering
In two previous posts we've discussed how to receive 1M UDP packets per second and how to reduce the round trip time. We did the experiments on Linux and the performance was very good considering it's a general purpose operating system.
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Adopting Microservices at Netflix
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
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Profiling Python in Production
This post is about the ways we approached instrumentation, and some tools you can use to optimize your own apps (including code). Learn how we reduced CPU usage by 80% through Python profiling.
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Why I dislike systemd
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…
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Apache Kafka, Samza, and the Unix Philosophy of Distributed Data
Confluent is building the foundational platform for data in motion so any organization can innovate and win in a digital-first world.
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