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PureOS 10 is Released for all Librem Products
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 195 posts.
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It's Time for Operating Systems to Rediscover Hardware
A glance at this year's OSDI program shows that Operating Systems are a small niche topic for this conference, not even meriting their own full session. This is unfortunate because good OS design has always been driven by the underlying hardware, and right now that hardware is almost unrecognizable from ten years ago…
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Migrating Millions of Concurrent WebSockets to Envoy
Slack has a global customer base, with millions of simultaneously connected users at peak times. Most of the communication between users involves sending lots of tiny messages to each other. For much of Slack’s history, we’ve used HAProxy as a load balancer for all incoming traffic. Today, we’ll talk about problems we…
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32 Bit Real Estate
Apps on Fly.io all get their own routable IPv4 addresses. Here's what that costs us.
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Linux x86 program start up – How the heck do we get to main()? (2011)
This is for people who want to understand how programs get loaded under linux. In particular it talks about dynamically loaded x86 ELF files. The information you learn will let you understand how to debug problems that occur in your program before main starts up. Everything I tell you is true, but some things will be…
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New HTTP standards for caching on the modern web
If you run any large public-facing website or web application on the modern web, caching your static content in a CDN or other caching service is super...
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Intel C/C++ compilers complete adoption of LLVM
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EC2 Serial Console
Fixing production issues is one of the key responsibilities of system and network administrators. In fact, I’ve always found it to be one of the most interesting parts of infrastructure engineering. Diving as deep as needed into the problem at hand, not only do you (eventually) have the satisfaction of solving the…
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We rendered a million web pages to find out what makes the web slow
We rendered the top 1 million pages on the web, tracking every conceivable performance metric, logging every error, noting every requested URL. To our knowledge this produces the first dataset that connects performance, errors, and library use on the web. In this article we analyze what the data can tell us about…
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How we achieved write speeds of 1.4M rows per second
The detailed story of how to build a vector-based storage model from scratch.
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Execute Docker Containers as QEMU MicroVMs
Execute docker containers securely in a multi-tenant environment by combining the isolation level of VMs with the docker ecosystem.
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Why we spent the last month eliminating PostgreSQL subtransactions
How a mysterious stall in database queries uncovered a performance limitation with PostgreSQL.
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Haiku Beta 3
FOR IMMEDIATE RELEASE July 25, 2021 THE HAIKU PROJECT CELEBRATES THE RELEASE OF BETA 3 Poetry is in motion. The Haiku Project, its developers and team members announced the Haiku operating system released its third beta release, version R1/Beta3, …
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New SiFive RISC-V core P650 with 40% IPC increase
The SiFive Performance P650 processor is expected to be the fastest licensable RISC-V processor IP core in the market, bringing RISC-V into new markets and applications, and will debut to lead partners in Q1 2022.
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Red Hat announces no-cost RHEL for small production environments
Introducing new no-cost RHEL programs for small production deployments and enterprise development teams.
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Postgres audit tables saved us from taking down production
Learn how audit tables helped us avoid a serious incident, and how you can create audit tables in your own Postgres databases.
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Android 12 is live in AOSP
News and insights on the Android platform, developer tools, and events.
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Swift Distributed Actors
We’re thrilled to announce a new open-source package for the Swift on Server ecosystem, Swift Distributed Actors, a complete server-oriented cluster library for the upcoming distributed actor language feature!
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The Sisyphean Task of DNS Client Config on Linux
The covers a brief history of DNS on Linux systems and what steps Tailscale is taking to ensure it is configured consistently.
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OpenZFS – dRAID, Finally
Learn about dRAID in OpenZFS 2.1. Explore its data protection capabilities, distributed hot spares, faster resilvering, and enhanced performance in this article.
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Porting Doom to the Fastly edge serverless platform
id Software’s DOOM has become one of the most-ported games in history. It felt like a perfect project to port to Compute, built on our serverless compute environment, to experiment with different applications of the product.
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Paxos automatically determined safe and secure
In an important step toward ensuring the protocols that dictate how our networked services operate are safe, secure and running as expected, University of Michigan researchers have automated a technique called formal verification. Their system proves, without any human effort, that one of the mos
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Demystifying OpenZFS 2.0
Explore the changes and reasons behind OpenZFS 2.0. This article clarifies the transition from feature flags and its impact on FreeBSD 13.
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TCP Fast Open? Not so fast
As TCP becomes more important to DNS, overhead is becoming an issue.
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FreeBSD 2020 Q4 Status Report
This report covers FreeBSD related projects for the period between October and December, and is the fourth of four planned reports for 2020.