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Why we switched from Python to Go
Deciding on a programming language is always a difficult choice, learn why Stream switched from Python to Go as our language of choice.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 6,942 posts.
782
Xfce 4.14
Today, after 4 years and 5 months of work, we are pleased to announce the release of the Xfce desktop 4.14, a new stable version that supersedes Xfce 4.12.
783
How We Knew It Was Time to Leave the Cloud
How we're solving storage and performance issues as we scale.
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How FPGAs work, and why you'll buy one
Today, pretty much everyone has a CPU, a DSP and a GPU, buried somewhere in their PC, phone, car, etc. Most don't know or care that they bought any of these, but they did.
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Write a Shell in C (2015)
A tutorial on how to write a Unix shell in C.
787
Dissecting the Apple M1 GPU, Part IV
After beginning a compiler for the Apple M1 GPU , the next step is to develop a graphics driver exercising the compiler. Since the last post two weeks ago, I’ve begun a Gallium driver for the M1, implementing much of the OpenGL 2.1 and ES 2.0 specifications. With the compiler and driver together, we’re now able to run…
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S3 Files
Andy Warfield writes about the hard-won lessons dealing with data friction that lead to S3 Files
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Jepsen: RethinkDB 2.1.5
In this Jepsen report, we’ll verify RethinkDB’s support for linearizable operations using majority reads and writes, and explore assorted read and write anomalies when consistency levels are relaxed. This work was funded by RethinkDB, and conducted in accordance with the Jepsen ethics policy .
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So you think you know C? (2016)
It's a C test. If you think you know C, take this test. It only has 5 questions.
791
Postgres Just Cracked the Top Fastest Databases for Analytics
Databricks offers a unified platform for data, analytics and AI. Build better AI with a data-centric approach. Simplify ETL, data warehousing, governance and AI on the Data + AI Platform.
792
PostgreSQL Features to Try
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
793
Operating a large distributed system in a reliable way: practices I learned
For the past few years, I've been building and operating a large distributed system: the payments system at Uber [https://eng.uber.com/payments-platform/]. I've learned a lot about distributed architecture concepts…
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I/O is no longer the bottleneck
In 2022, disk I/O is very fast, and not usually the performance bottleneck in programs. This article digs into some numbers.
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Postmortem of database outage of January 31
Postmortem on the database outage of January 31 2017 with the lessons we learned.
798
Everything you ever wanted to know about terminals
so here's a short tutorial on ansi escape codes and terminal control, because you philistines won't stop using ncurses and oh my god WHY ARE WE STILL USING NCURSES IT IS THE TWENTY FIRST FUCKING CENTURY
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Rebuilding My Personal Infrastructure With Alpine Linux and Docker
My story of replacing three servers, across two countries, running two operating systems with a single server running Alpine Linux and Docker.
800
x86 finds its way into the iPhone
Personal page where to dump sparse knowledge
801
Go, Containers, and the Linux Scheduler
How to make the Go runtime play nicely with the Linux Scheduler
802
Ripgrep is faster than grep, ag, git grep, ucg, pt, sift (2016)
In this article I will introduce a new command line search tool, ripgrep , that combines the usability of The Silver Searcher (an ack clone) with the raw performance of GNU grep. ripgrep is fast, cross platform (with binaries available for Linux, Mac and Windows) and written in Rust .
803
More powerful Go execution traces
New features and improvements to execution traces from the last year.
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Arranging Invisible Icons in Quadratic Time
Near the end of January I was pointed to a twitter thread where a Windows user with a powerful machine was hitting random hangs in explorer. Lots of unscientific theories were being proposed. I don…
805
Bing.com now runs on .NET Core
Bing.com is a cloud service that runs on thousands of servers spanning many datacenters across the globe. Bing servers handle thousands of users’ queries every second from consumers around the world doing searches through their browsers, from our partners using the Microsoft Cognitive Services APIs, and from the…
806
An unexpected find that freed 20GB of unused index space in PostgreSQL
How to free space without dropping indexes or deleting data
807
Common Systems Programming Optimizations and Tricks
Today’s blog post is an overview of some common optimization techniques and neat tricks for doing “systems programming” – whatever that means today. We’ll walk through some methods to make your code run faster, be more efficient, and to squeeze just a little more juice from whatever you got.
808
Blog ran on Ubuntu 16.04 for 10 years. I migrated it to FreeBSD
After a decade on Ubuntu 16.04, I migrated my blog to FreeBSD on Hetzner. Some notes on setting up a VPS with FreeBSD, Jails, Bastille, Caddy reverse proxies, and load testing and benchmarking the blog from four continents.
809
WorstFit: Unveiling Hidden Transformers in Windows ANSI
📌 This is a cross-post from DEVCORE. The research was first published at Black Hat Europe 2024. Personally, I would like to thank splitline, the co-author of this research & article, whose help
810
Mutexes are faster than Spinlocks
(at least on commodity desktop Linux with stock settings)