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How We Failed at OpenStack
Use Equinix Fabric to establish direct, low-latency connections to a variety of services providers.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 2,560 posts.
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Async Rust vs RTOS showdown (2022)
It's time for another technical blog post about async Rust on embedded. This time we're going to pitch Embassy/Rust against FreeRTOS/C on an STM32F446 microcontroller.
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Farewell, Solaris
MongoDB's blog includes technical tutorials, MongoDB best practices, customer stories, and industry news related to the leading non-relational database.
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The Definitive Guide on Win32 to NT Path Conversion (2016)
Posted by James Forshaw, path’ological reverse engineer.How the Win32 APIs process file pat...
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Valkey achieved one million RPS 6 months after forking from Redis
Maximize the performance of your hardware with memory access amortization
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The real failure rate of EBS
Our experience running AWS EBS at scale for critical workloads
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Seagate Barracuda Ramp Weakness (2016)
During a recent RAID 5 recovery attempt, John made an interesting discovery inside the two failed disks. The plastic ramp that the heads park onto when idle had snapped in the same position on both drives. We don’t know if the heads got damaged first, and then broke the ramps during parking, or if the […]
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Kubernetes and Kernel Panics
How Netflix’s Container Platform Connects Linux Kernel Panics to Pods
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Xen on Raspberry Pi 4
The Xen Project is excited to share that the Xen Hypervisor now runs on Raspberry Pi. This is an exciting step for both hobbyists and industries. Read more to learn about how Xen now runs on RPi and how to get started. Written by Stefano Stabellini and Roman Shaposhnik, originally
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Firefly – Full Text Search Engine for Dropbox
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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Fedora Atomic Desktops
Announcing a new family of Fedora Linux spins: Fedora Atomic. This will simplify how to discuss rpm-ostree and naming of future atomic spins.
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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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AVX2 is slower than SSE2-4.x under Windows ARM emulation
If you compile your app for AVX2 and it runs on Windows ARM under Prism emulation, is it faster or slower than compiling for SSE2-4.x? I assumed it would be roughly the same — maybe slightly slower due to emulation overhead, but AVX2's wider operations would compensate. The
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LibreELEC 10.0
The final version of LibreELEC 10.0.0 has been released, bringing Kodi (Matrix) v19.1 to LibreELEC users. Users of LibreELEC 10 Beta or RC1 get an automatic ...
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Process-Based Concurrency: Why Beam and OTP Keep Being Right
What makes BEAM and OTP different from async/await, threads, and actors. Process isolation, supervisors, and why Erlang's model keeps winning 40 years later.
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A Cloud-Scale Acceleration Architecture: FPGAs in Microsoft’s Datacenters
A hyperscale Configurable Cloud architecture using FPGAs to efficiently accelerate networking and applications with a distributed fabric in the data center.
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A 32-year-old bug walks into a Telnet server
A long, long time ago, in a land free of binary exploit mitigations, when Unix still roamed the Earth, there lived a pre-authentication Telnetd vulnerability. In fact, this vulnerability was born so long ago (way back in 1994) that it may even be older than you. To put the
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The school for sysadmins who can’t timesync good
(With apologies to Derek Zoolander and Justin Steven. And to whoever had to touch the HP-UX NTP setup at Queensland Police after I...
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Stack Exchange’s Architecture in Bullet Points
I thought as a break form the normal prose some of our readers might enjoy a short overview of the Stack Exchange Network (including Stack Overflow, Server Fault, and Super User) from a technical view:
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ReactOS 0.4.13
ReactOS is a free, opensource reimplementation of windows
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Turning the database inside-out with Apache Samza (2015)
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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Building and modifying Linux Kernel with Visual Studio
This tutorial shows how to build the Linux kernel, add a small modification to it and debug the new kernel using Visual Studio with VisualKernel.
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532x Performance Increase for MongoDB with fractal tree indexes
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