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The free lunch is over: a fundamental turn toward concurrency in software (2005)
The biggest sea change in software development since the OO revolution is knocking at the door, and its name is Concurrency.
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The latest blog posts to take off on Hacker News. 553 posts.
272
Avoiding Complexity with Systemd
Using systemd to avoid having to write some risky code
273
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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Correctly implementing a spinlock in Modern C++
I’ve seen a lot of poorly implemented spinlocks floating around the internet.
276
QUIC at Snapchat
At Snapchat, our goal is to make our Camera the fastest way to share a moment. We do not want Snapchatters to face any delays when they are in the moment and want to share with their real friends.
277
PipeWire Under the Hood
The PipeWire project is slowly getting popular as it matures. Its documentation is still relatively sparse but is gradually growing. However, it's always a good idea to have people from outside the project try to grasp and explain it to others in their own words, reiterating ideas, seeing them from their own…
278
SiFive P550 Core: High-Performance RISC-V Processor
New SiFive Performance Family of application processors offers best in class performance, area, and efficiency for a wide variety of markets
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Your CPU may have slowed down on Wednesday
The death of hardware store optimization.
280
A reference counting bug which leads to local privilege escalation in io_uring
Hello, I’m Shiga( @Ga_ryo_ ), a security engineer at Flatt Security Inc.
281
Did Windows 10 slow down with each feature update?
One of the main reasons some people tend to avoid updating their PCs is that “it makes it slower”. Especially with Windows 10’s Software as a Service approach, where it gets the s…
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What every programmer should know about SSDs
A blog by and for database architects.
283
The wrong way to switch operating systems on your server
world wide web benji-style
284
Spectre mitigations murder userspace performance
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
285
Io_uring is not an event system
I’ve been hearing about io_uring on and off for the last couple of years. Its a relatively new technology in Linux to allow high-performance IO with very few overheads. Whenever its been mentioned, its usually been presented as a new alternative to select, poll and epoll. This led me to believe that it was just the…
286
Designing a better strcpy
Saagar Jha's website.
287
Wasmer 2.0
It's been almost 6-months since we released Wasmer 1.0, and the community support and reception were incredible. Since then, we've been hard at work on the next version of Wasmer.
288
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.
289
Code in ARM Assembly: Registers Explained
Types of register explained, and which are available to pass arguments of different types. Call by value and call by reference distinguished.
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Unreliability at Scale
Thomas Claiburn's FYI: Today's computer chips are so advanced, they are more 'mercurial' than precise – and here's the proof discusses two ...
291
Scaling Relational SQL Databases (2020)
A list of things that we can do when we need to scale a SQL database.
292
Disasters I've seen in a microservices world
When Martin Fowler's post about microservices came out in 2014, the teams where I worked were already building service-oriented architectures. That post and the subsequent hype made their way into almost every software team in the world. The "Netflix OSS stack" was the coolest thing back then, allowing engineers…
293
The Elephant at WWDC
Every developer should watch the 5 videos about DocC from WWDC. But it’s really a plaintive cry for help. Until Apple squares up and addresses the problem, it can only grow worse.
294
A few thoughts on Fuchsia security
I want to say a few words about my current adventure. I joined the Fuchsia project at its inception and worked on the daunting task of buil...
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Asynchronous Everything (2015)
Joe Duffy's Blog | Adventures in the high-tech underbelly
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SSH quoting
A while back there was a thread on one of our company mailing lists about SSH quoting, and I posted a long answer to it. Since then a few people have asked me questions that caused me to reach for it, so I thought it might be helpful if I …
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Fitting a FORTH in 512 bytes
Software is full of circular dependencies if you look deep enough. Compilers written in the language they compile are the most obvious example, but not the only one. To compile a kernel, you need a running kernel. Linkers, build systems, shells. Even text editors, if you want to write the code instead of just…
299
Privilege escalation with polkit: How to get root on Linux with a seven-year-ol
polkit is a system service installed by default on many Linux distributions. It’s used by systemd, so any Linux distribution that uses systemd also uses polkit.
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Rqlite 6.0: the evolution of a distributed database design
rqlite is a lightweight, open-source, distributed relational database written in Go, which uses SQLite as its storage engine. v6.0.0 is out now and makes clustering more robust. It also lays the foundation for more important features. What's new in 6.0? 6.0 multiplexes multiple logical connections between rqlite nodes…