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Is there a maximum size for Windows clipboard data?
There is no pre-set maximum size, but that null might be coming from somewhere else.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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System separation in the Continental Europe Synchronous Area on 8 January 2021
On 8 January 2021 at 14:05 CET the synchronous area of Continental Europe was separated into two parts due to outages of several transmission network elements in a very short time. ENTSO-E has published the first information on the event already on 8 January 2021, followed by an update with geographical view and time…
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CUDA on Windows Subsystem for Linux 2
In response to popular demand, Microsoft announced a new feature of the Windows Subsystem for Linux 2 (WSL 2)—GPU acceleration—at the Build conference in May 2020. This feature opens the gate for many…
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You can list a directory containing 8 million files But not with ls..
I needed to list all files in a directory, but ls , find , and os.listdir all hung. This is my story.
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How we found and fixed an eBPF Linux kernel vulnerability
This blog post takes a look at the years where eBPF was one of the kernel subsystems that grabbed the attention of a lot of security researchers. We will tell the story of how we discovered CVE-2023-2163, what our root-cause analysis process looked like, and what we did to ultimately fix the issue.
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Emulating an iPhone in QEMU
From black screens and boot issues to rendering quirks and PAC puzzles, here’s what we learned getting iOS to finally say hello.
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I/O Access Methods for Linux
Explore the four different ways to perform disk I/O on Linux and the tradeoffs and what we chose for ScyllaDB to build a high-performing database.
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Online migrations at scale
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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Wendelstein 7-X achieves world record
In the past experimentation round Wendelstein 7-X achieved higher temperatures and densities of the plasma, longer pulses and the stellarator world record for the fusion product. Moreover, first confirmation for the optimisation concept on which Wendelstein 7-X is based, was obtained. Wendelstein 7-X at Max Planck…
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Are we shooting ourselves in the foot with stack overflows?
How-to articles about designing safe, reliable, and secure embedded systems.
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Fast Allocations in Ruby 3.5
Many Ruby applications allocate objects. What if we could make allocating objects six times faster? We can! Read on to learn more!
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Smaller, faster, safer: running Kimi and GLM at scale
Serving frontier models like Kimi and GLM means fighting for GPU memory. Here's how we quantize KV caches, compress model weights, and add integrity checks to serve them faster, cheaper, and safely.
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Asahi Linux Progress Report: January/February 2021
Porting Linux to Apple Silicon
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Why is the x86 undefined instruction called ud2? Why 2?
It came after ud0 and ud1.
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Why does everyone run ancient Postgres versions?
Many companies are running old Postgres versions and missing out on many improvements. The reasons: Postgres works and upgrades suck.
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Canonical releases Ubuntu 16.10
Ubuntu 16.10 released with Hybrid Cloud Operations and Unity 8 developer preview, from Canonical MAAS 2.0 delivers robust, highly-available IPAM and bare-metal provisioning Hybrid cloud operations with Juju 2.0 Developer preview of Unity 8 includes desktop, tablet and phone UX convergence OpenStack Newton with secure…
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Userspace isn't slow, some kernel interfaces are
Discover how recent improvements to wireguard-go boost Tailscale client performance on Linux. Learn about key changes, testing methods, and results showing enhanced throughput and efficiency.
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Better Random Number Generation for OpenSSL, Libc, and Linux Mainline
中文版 In 2015, AWS introduced s2n, a new open source implementation of the TLS/SSL protocols that protect the privacy and integrity of data moving over a network. s2n was designed to be secure, simple, small, and fast. The project is thriving, and we use it extensively. In February, our CISO Stephen Schmidt shared that…
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Scaling Kubernetes to 2,500 Nodes
Stay up to speed on the rapid advancement of AI technology and the benefits it offers to humanity.
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Urbit OS 1
OS 1 is somewhere between ‘productivity software’ and a ‘social network’. We think it’s the beginning of an altogether new breed of social computing.
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Rethinking Window Management
Window management is one of those areas I'm fascinated with because even after 50 years, nobody's fully cracked it yet. Ever since the dawn of time we've relied on the window metaphor as the primary way of multitasking on the desktop. In this metaphor, each app can spawn one or more rectangular windows, which are...
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Going Fast Slowly
Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
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FaunaDB 2.5.4
In 2012, Thomson, Diamond, Weng, et al. published Calvin: Fast Distributed Transactions for Partitioned Database Systems : a transactional protocol optimized for geographic replication. Each Calvin cluster is comprised of multiple replicas , where a replica is a collection of nodes which store a complete copy of the…