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Running 10M PostgreSQL Indexes in Production
How Heap runs 10 million postgreSQL indexes in production.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 235 posts.
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Exactly-once Semantics: How Kafka Does it
Exactly-once is a hard problem to solve, but we've done it. Available now in Apache Kafka 0.11, exactly-once semantics.
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Introducing the Keybase filesystem
Browse technical documentation on the public-key cryptography that powers Keybase. Learn how Keybase Chats, Files, Teams, and Git are secured.
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Performance Improvements in .NET Core
Update (2017/06/12): Added BenchmarkDotNet blog post link. There are many exciting aspects to .NET Core (open source, cross platform, x-copy deployable, etc.) that have been covered in posts on this blog before. To me, though, one of the most exciting aspects of .NET Core is performance. There’s been a lot of…
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64-bit Firefox is the new default on 64-bit Windows
Users on 64-bit Windows who download Firefox can get our 64-bit version by default. That means you get a more secure version of Firefox, one that also crashes a whole lot less . How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more.
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Ubuntu on AWS Gets Serious Performance Boost with AWS-Tuned Kernel
Canonical and Amazon Web Services have been working closely together to create the best experience of the world’s most popular cloud OS, on the world’s most popular public cloud. Official Ubuntu guest images have been available on AWS for years, and underlie the majority of workloads on the service—whether you use the…
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Thread Pools in Nginx Boost Performance 9x (2015)
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
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Hazelcast 3.8.3
2017-10-07: IMap is not the only datatype supporting merge: ICache is mergable as well.
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What's the difference between the com and exe extensions? (2008)
Practical development throughout the evolution of Windows.
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How to write a simple operating system
This document shows you how to write and build your first operating system in x86 assembly language. It explains what you need, the fundamentals of the PC boot process and assembly language, and how to take it further. The resulting OS will be very small (fitting into a bootloader) and have very few features, but it's…
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Introduction to ARM Assembly Basics
Welcome to this tutorial series on ARM assembly basics. This is the preparation for the followup tutorial series on ARM exploit development . Before we can dive into creating ARM shellcode and build ROP chains, we need to cover some ARM Assembly basics first.
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Why are all Windows drivers dated June 21, 2006?
Practical development throughout the evolution of Windows.
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The First PS4 Kernel Exploit: Adieu
Now we will step back a bit and explain how we managed to jump from the browser process into the kernel such that ps4-kexec et al. are usable.
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Instrumentation: The First Four Things You Measure
Old observability metrics like uptime and MTTR aren't enough anymore. Teams must connect technical signals to business outcomes, like savings and speed.
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Ubuntu now available from the Windows store
Today, we’re excited to announce that Canonical’s Ubuntu Linux Distro is now available in the Windows Store and can be downloaded and installed on any
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ReactOS 0.4.7 released
ReactOS is a free, opensource reimplementation of windows
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Scaling the GitLab database
An in-depth look at the challenges faced when scaling the GitLab database and the solutions we applied to help solve the problems with our database setup.
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Truly Seamless Reloads with HAProxy
What users often call a “seamless” or “hitless” reload is a configuration update or a service upgrade performed with no impact on user experience.
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MongoDB 3.4.0-rc3
In the past year and a half, MongoDB has put a good deal of work into improved read safety, enabled by the adoption of their new replication protocol and the WiredTiger storage engine. Dirty reads were addressed in 3.2 by introducing a majority read concern , and stale reads were addressed with the introduction of the…
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Hardening the Kernel in Android Oreo
News and insights on the Android platform, developer tools, and events.
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FreeBSD 11.1 released
The FreeBSD Release Engineering Team is pleased to announce the availability of FreeBSD 11.1-RELEASE. This is the second release of the stable/11 branch.
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File System Improvements to the Windows Subsystem for Linux
Access to this page requires authorization. You can try signing in or changing directories .
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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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Introducing Amazon EC2 P3 Instances
Discover more about what's new at AWS with Introducing Amazon EC2 P3 Instances
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Improving startup time in Atom with V8 snapshots
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
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Think twice before encrypting your HFS+ volumes on High Sierra
Advanced backup and copying for macOS. Schedule automated backups, take snapshots, and restore your Mac with confidence. Download a free 30-day trial.