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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,390 posts.
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Let the callers of your API control allocations
This is a post about performance. Most of the time when worrying about the performance of a piece of code the overwhelming advice should be (with apologies to Brendan Gregg) don’t worry about it, yet. However there is one area where I counsel developers to think about the performance implications of a design, and that…
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Redundancy vs. dependencies: which is worse? (2008)
I think that all other considerations are of the extrinsic real-world kind – domain modeling, usability, schedules, platforms, etc. I also think that I can show how any "good" programming practice is mainly aimed at minimizing redundancy, dependencies, or both. I even think that you can tell a "good" programmer from a…
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OpenBSD 6.2 and CDE
If you've noticed a disruption in the time-space continuum recently, it is likely because I have finally been able to compile and install ...
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Zero-copy protobuf and ConnectRPC for Rust
As part of my work at Anthropic, I open sourced two Rust crates that fill a gap in the RPC ecosystem: buffa, a pure-Rust Protocol Buffers…
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A few CPU hardware bugs
Catherine (Whitequark)’s recent observations on poorly-engineered firmware reminded me of a few mistakes I’ve seen in vendors’ CPUs; some unimportant and others surprisingly bad. Since I’ve never seen these widely discussed, here’s some discussion and links to supporting evidence to make them more widely known, since…
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.NET Core Is Boiling the Ocean
Do they know what the hell they're doing?
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Playing with Kernel TLS in Linux 4.13 and Go
The 1600 LoC patch allows userspace to pass the kernel the encryption keys for an established connection, making encryption happen transparently inside the kernel.
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Line-by-line memory usage of a Python program
This website is for sale! fseoane.net is your first and best source for information about fseoane. Here you will also find topics relating to issues of general interest. We hope you find what you are looking for!
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How to Read 100s of Millions of Records per Second from a Single Disk
This article gives an overview of the implementation and performance of two recent additions to LocustDB, an extremely fast open-source analytics database built in Rust. The first addition is suppo…
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Building a Distributed Log from Scratch: Scaling Message Delivery
In part two of this series we discussed data replication within the context of a distributed log and how it relates to high availability. Next, we’ll look at what it takes to scale the log such that it can handle non-trivial workloads. Data Scalability A key part of scaling any kind of data-intensive system is the…
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Kubernetes: Make your services faster by removing CPU limits
At Buffer, we’ve been using Kubernetes since 2016. We’ve been managing our k8s (kubernetes) cluster with kops, it has about 60 nodes (on AWS), and runs about 1500 containers. Our transition to a micro-service architecture has been full of trial and errors. Even after a few years running k8s, we are still learning its…
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Windows XP 2002 for the Itanium: Unbridled rage
This is exciting news, there is a fork of Qemu that has workable Itanium Merced emulation, and it’s good enough to run Windows XP/2003! Enter Malte Kuhlmann ‘s Qemu fork of syunnPC ‘s AI Itanium infused Qemu fork .
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Assault by GC
TL;DR; We had performance spikes, which we eased with some insane use of struct s. History For a while now, we had been seeing a probl...
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Raspberry Pi microSD card performance comparison
Note: I also posted a separate review of some A2 'Application Performance' class cards, see this post: A2-class microSD cards offer no better performance for the Raspberry Pi. As a part-time tinkerer and full-time developer, I have been fascinated by single board computers (SBCs) since the first Raspberry Pi was…
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Lock-free multithreading with atomic operations
Synchronizing threads at a lower level.
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Installing and using HP-UX 9
A few weeks back I got a note on Bluesky, linking me to a website offering a free computer. The owner was in Cambridge, not far from me, and the computer was an HP 9000/300 Series - a Model 340, specifically.
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Solaris adopting OpenBSD's pf
Yet another proprietary tech titan turns to the free OpenBSD operating system as their source of innovation in the networking and security ...
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I Migrated from a Postgres Cluster to Distributed SQLite with LiteFS
Why and how I migrated from distributed postgres to distributed sqlite on kentcdodds.com