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The Merge
Learn about The Merge, when Ethereum Mainnet moved from proof-of-work to proof-of-stake in September 2022, cutting its energy use by about 99.95%.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 536 posts.
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Introducing Riptide: WebKit's Retreating Wavefront Concurrent Garbage Collector
The new Riptide garbage collector in WebKit leads to a five-fold improvement in latency in the JetStream/splay-latency test.
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Pushing Nginx to its limit with Lua
At CloudFlare, Nginx is at the core of what we do. It is part of the underlying foundation of our reverse proxy service. In addition to the built-in Nginx functionalities, we use an array of custom C modules...
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Zaplib post-mortem
Welp, this is a weird blog post! Very unexpectedly, we quickly invalidated some of the core hypothesis that make Zaplib work as a startup.
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TRESOR Runs Encryption Securely Outside RAM
TRESOR is a secure implementation of AES which is resistant against cold boot attacks. The basic idea behind this implementation is to store the secret key inside CPU registers rather than in RAM.
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We reduced the cost of building Mastodon at Twitter-scale by 100x
I’m going to cover a lot of ground in this post, so here’s the TLDR: We built a Twitter-scale Mastodon instance from scratch in only 10k lines of code. This is 100x less code than the ~1M lines Twi…
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Jepsen: PostgreSQL 12.3
PostgreSQL is a major open-source relational database with a 23-year history and a broad range of features. While Jepsen’s work has traditionally focused on distributed systems, our tooling is readily applicable to traditional, single-node databases. In this report, we present the results of applying Jepsen’s…
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Shipping Rust code in Firefox
TL;DR: Starting with Firefox 48, Mozilla is shipping its first production Rust code, with more to come! Mozilla ❤ Rust It's hard to believe it's been almost seven years since ...
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Asahi Linux for M1 Macs: progress report for September 2021
Porting Linux to Apple Silicon
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A tale of an impossible bug: big.LITTLE and caching
When someone says multi-core, we unconsciously think SMP. That worked out well for us until recently when ARM announced big.LITTLE. ARM’s big.LITTLE architecture is the first mass produced AMP architecture and as we’ll see next, it raises the bar for how hard multi-core programing is.
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How Discord Stores Billions of Messages Using Cassandra
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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APIs, robustness, and idempotency
Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for businesses of all sizes.
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Carving the scheduler out of our orchestrator
A deep dive into container scheduling and Flyd, our new orchestrator.
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Partitioning GitHub’s relational databases to handle scale
In 2019, to meet growth and availability challenges, we set a plan in motion to improve our tooling and ability to partition relational databases.
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Learnings from kCTF VRP's 42 Linux kernel exploits submissions
Tamás Koczka, Security Engineer In 2020 , we integrated kCTF into Google's Vulnerability Rewards Program (VRP) to support researchers evalu...
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Farming hard drives: how Backblaze weathered the Thailand drive crisis
Get all of the latest cloud storage news and insights from Backblaze - the leading independent cloud storage provider.
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The Green Tea Garbage Collector
Go 1.25 includes a new experimental garbage collector, Green Tea.
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Advanced Performance Extensions (APX)
These extensions expand the x86 instruction set with access to registers and features that improve performance.
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NVIDIA Transitions Fully Towards Open-Source Linux GPU Kernel Modules
With the R515 driver, NVIDIA released a set of Linux GPU kernel modules in May 2022 as open source with dual GPL and MIT licensing. The initial release targeted datacenter compute GPUs…
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How io_uring and eBPF Will Revolutionize Programming in Linux
ScyllaDB’s Glauber Costa explains how two new APIs, io_uring and eBPF, are changing the fundamental nature of Linux programming.
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Asahi Linux for Apple M1 progress report, August 2021
Porting Linux to Apple Silicon
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How to Compromise the Enterprise Endpoint
Posted by Tavis Ormandy.Symantec is a popular vendor in the enterprise security market, their fla...