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Net 9.0 LINQ Performance Improvements
Understand .NET 9.0 LINQ performance improvements, faster iterator and the usage of Span
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,560 posts.
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Root cause analysis: significantly elevated error rates on 2019‑07‑10
On 2019-07-10, the Stripe API was severely degraded. Two different database bugs and a configuration change caused a cascading failure over several critical services. Here’s what we’ve learned so far.
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When AWS Autoscale Doesn’t
Explore technical topics, solutions, and resources for building with Twilio – and beyond.
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Vulkan update: version 1.2 conformance for Raspberry Pi 4
For the last couple of years, we have been working with our friends at Igalia to bring Vulkan to the Raspberry Pi 4 platform, and today we're happy to announce that we have achieved Vulkan 1.2 conformance from Khronos.
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Searching 20 GB/sec: Systems Engineering Before Algorithms
SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.
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Golang’s Real-Time GC in Theory and Practice
How the Golang concurrent GC achieves low latencies in real-time systems: a visualization of the algorithm and an empirical comparison with other languages.
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Improve Git monorepo performance with a file system monitor
Monorepo performance can suffer due to the sheer number of files in your working directory. Git’s new builtin file system monitor makes it easy to speed up monorepo performance.
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Jepsen: Dgraph 1.1.1
Dgraph is a graph database which aims to provide scalable, highly-available, and snapshot-isolated transactions over a labeled directed graph, while minimizing network communication for performance. Conceptually, Dgraph stores a set of (entity, attribute, value) triples. Entities (also known as subjects), are compact…
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Riot Games Messaging Service
Hey there! My name is Michal 0xDEADB33F Ptaszek, and I’m a software architect at Riot. Today I would like to talk about communication. But not the kind of communication you’re probably thinking of. I want to talk about the other, more exci…
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A researcher’s tale of defeating traps, tricks, and complex virtual machines
Office 365 Advanced Threat Protection (Office 365 ATP) blocked many notable zero-day exploits in 2017. In our analysis, one activity group stood out: NEODYMIUM. This threat actor is remarkable for two reasons: FinFisher is such a complex piece of malware that, like other researchers, we had to devise special methods…
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How does the classic Win32 ListView handle incremental searching?
Combining prefix search with repeated search, to accommodate multiple styles.
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The benefits and costs of writing a POSIX kernel in a high-level language
This paper presents an evaluation of the use of a high-level language (HLL) with garbage collection to implement a monolithic POSIX-style kernel. The goal is to explore if it is reasonable to use an HLL instead of C for such kernels, by examining performance costs, implementation challenges, and programmability and…
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CockroachDB Stability Post-Mortem: From 1 Node to 100 Nodes
In August, we wrote about our concerted stability effort. Today, we've more than achieved our CockroachDB stability goal of running a 100-node cluster.
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eBPF-based auto-instrumentation outperforms manual instrumentation
This blog shares the results of our performance tests creating OpenTelemetry traces with eBPF-based automatic instrumentation vs traditional instrumentation
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Asahi Linux: July 2022 Release and Progress Report
Porting Linux to Apple Silicon
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The state of binary compatibility on Linux and how to address it
Learn why Linux binary compatibility breaks when shipping software and what developers can do to fix real-world build and deployment issues.
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The State of ZFS on Linux
KING138 hadir sebagai rekomendasi agen slot online dengan link daftar resmi, akses praktis, dan tampilan modern. Yuk, daftar sekarang dan rasakan betapa mudahnya bermain slot dengan link daftar terpercaya kami.
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ZeroMQ is just sockets
Kim: Yeah, right. It's just sockets . Course, it's totally portable so you don't have to handle all the weird stuff different operating systems ask you to do.
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Pushing Nginx to its limit with Lua
At CloudFlare, Nginx is at the core of what we do. It is part of the underlying foundation of our reverse proxy service. In addition to the built-in Nginx functionalities, we use an array of custom C modules...
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SeL4 security proofs now complete on AArch64
Proofcraft’s Chief Engineer Rafal Kolanski has completed a major “architecture split” overhaul of the seL4 proofs, resulting in the removal of 250k lines of proof and strengthening the link between proofs on different architectures. These changes will significantly reduce future effort required to maintain and extend…
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Continental Europe successfully synced with Ukraine and Moldova power systems
Following an urgent request by Ukrenergo and Moldova for emergency synchronisation, the TSOs of Continental Europe agreed to start on 16 March 2022 the trial synchronisation of the Continental European Power System with the power systems of Ukraine and Moldova. This acceleration of the synchronisation project ongoing…
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The Wendelstein 7-X concept proves its efficiency
One of the most important optimisation goals underlying the Wendelstein 7-X fusion device at Max Planck Institute for Plasma Physics in Greifswald has now been confirmed. An analysis by IPP scientists in the journal Nature shows: In the optimised magnetic field cage, the energy losses of the plasma are reduced in the…
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Linux Container Internals
This post was the basis for a joint event with the grokking engineering community in Saigon.