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We called it RAID because it kills bugs dead
The history of defect tracking databases in Windows.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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Elixir saves Pinterest $2M a year in server costs
Companies see huge server savings with Elixir.
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Slack’s migration to a cellular architecture
Summary In recent years, cellular architectures have become increasingly popular for large online services as a way to increase redundancy and limit the blast radius of site failures. In pursuit of these goals, we have migrated the most critical user-facing services at Slack from a monolithic to a cell-based…
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Everything Is Broken: Shipping Rust-Minidump at Mozilla
We've been working on the development of rust-minidump. The first in this two-part series explains what minidumps are and how we made rust-minidump.
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How the SQLite virtual machine works
Let's look at how SQLite parses, optimizes, and compiles every query that it receives.
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Visualizing algorithms for rate limiting
Smudge.ai is a Chrome extension that gives you ChatGPT-powered shortcuts in your right-click menu.
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Zero downtime Postgres upgrades
How we upgraded from Postgres 11.9 to 15.3 with zero downtime
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Hidden latency in the Linux network stack
Back in November we wrote a blog post about one latency spike. Today I'd like to share a continuation of that story. As it turns out, the misconfigured rmem setting wasn't the only source of added latency. It looked like Mr Wolf hadn't finished his job.
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Expanding Fuchsia's open source model
Today we are expanding Fuchsia’s open source model to welcome contributions from the public.
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Kitty 0.50
kitty is a feature-rich, cross-platform, fast, GPU based terminal. To update kitty, follow the instructions. Recent major new features: Docked windows [0.50]: kitty windows can now be docked to an ...
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WebContainers: Run Node.js natively in the browser
Today we're excited to announce WebContainers, a new type of WebAssembly-based operating system that boots instantly and enables Node.js environments to run natively in-browser.
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Lucet: Native WebAssembly Compiler and Runtime
Today, we're thrilled to announce the open sourcing of Lucet, our native WebAssembly compiler and runtime. WebAssembly is a technology created to enable web browsers to safely execute programs at near-native speeds, and it's been shipping in the four major browsers since early 2017.
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Chrome is deploying HTTP/3 and IETF QUIC
QUIC is a new networking transport protocol that combines the features of TCP, TLS, and more. HTTP/3 is the latest version of HTTP, the prot...
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MicroVMs: Run isolated sandboxes with full lifecycle control
AWS launches a new serverless compute primitive, AWS Lambda MicroVMs. VM-level, isolated sandboxes with no shared kernel or resources between sessions. Rapid launch and resume, full lifecycle control, state preservation up to 8 hours, no infrastructure to manage.
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LoJax: First UEFI rootkit found in the wild, courtesy of the Sednit group
ESET researchers have discovered the first in-the-wild UEFI rootkit. Dubbed LoJax, the research team has shown that the Sednit operators used different components of the LoJax malware to target a few government organizations in the Balkans as well as in Central and Eastern Europe.
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Chrome 55 uses 30% less memory than 54
Chrome 55 uses ~30% less memory for weather.com and reddit.com
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CockroachDB 2.0 Performance Makes Significant Strides
Learn which performance metrics matter, why to demand benchmark TPC-C results under serializable isolation, and how CockroachDB 2.0’s performance compares to 1.1.
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Haiku R1/beta2 has been released
After almost 2 years since R1/beta1, Haiku R1/beta2 has been released. See “Release Notes” for the release notes, “Press contact”, for press inquiries … and “Get Haiku!” to skip all that and just download …
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Tiny Container Challenge: Building a 6kB Containerized HTTP Server
TL;DR I set out to build the smallest container image that I could that was still able to do something useful. By taking advantage of multistage builds, the scratch base image, and a tiny assembly-based HTTP server, I was able to get it down to 6.32kB!
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ClickHouse as an alternative to Elasticsearch for log storage and analysis
In 2018, I've written an article about Clickhouse, this piece of content is still pretty popular across the internet, and even was translated a few times. More than two years have passed since, and the pace of Clickhouse development is not slowing down: 800 merged PRs just during last month!
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Building a distributed time-series database on PostgreSQL
Fully managed PostgreSQL from the creators of TimescaleDB. 99.9% uptime SLA, 10,000+ IOPS, columnar compression up to 95%, and built-in search. Try it free.
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The first plasma: the Wendelstein 7-X fusion device is now in operation
Start of operation and first plasma in the Wendelstein 7-X fusion research device at IPP Greifswald
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Intel Processor Instability Causing Oodle Decompression Failures
RAD Game Tools' web page. RAD makes Bink Video, the Telemetry Performance Visualization System, and Oodle Data Compression - all popular video game middleware.
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How Discord handles over a million requests per minute with Elixir’s GenStage
This is the story of how we assessed and refactored two video players into one, cut the player code each product maintained by up to 94%, and swapped to the new player without disruption to any users.
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A postmortem of three recent issues
A technical report on three bugs that intermittently degraded Claude's responses: what happened, why fixes took time, and what we're changing.