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New
The latest blog posts to take off on Hacker News. 2,560 posts.
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FoundationDB Record Layer
Today, we are excited to announce the open source release of the FoundationDB Record Layer!
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The dangers of streaming across versions of glibc: A cautionary tale (2014)
The following is a real critical problem that we ran into here at TripAdvisor, but have yet figured out a clear way to mitigate.
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HelenOS 0.8
This document contains a summary of changes made to HelenOS since release 0.7.2 .
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Io_submit and Linux AIO – An epoll alternative
The Linux AIO is designed for, well, Asynchronous disk IO! They are not network sockets, but is it possible to use Linux AIO API with network sockets? The answer is a strong YES!
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PyPy for low-latency systems
PyPy for low-latency systems Recently I have merged the gc-disable branch, introducing a couple of features which are useful when you need...
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DragonFly BSD 5.4
DragonFly version 5.4 brings a new system compiler in GCC 8, improved NUMA support, a large number of network and virtual machine driver updates, and updates to video support. This release is 64-bit only, as with previous releases.
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Designing Resilient Systems: Circuit Breakers or Retries?
Grab designs fault-tolerant systems that can withstand failures allowing us to continuously provide our consumers with the many services they expect from us.
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Kong gateway reaches 1.0 GA, now supports service mesh
Kong 1.0 includes Service Mesh, Mutual TLS, and gRPC support; as well as a Plugin Development Kit.
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On VBScript
Posted by Ivan Fratric, Google Project ZeroIntroductionVulnerabilities in the VBScript scripting ...
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Improving compression at scale with Zstandard
Two years ago, Facebook open-sourced Zstandard v1.0, a landmark data compression solution that offers best-in-kind performance. Since then, we’ve released a variety of enhancements and advanc…
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Searching statically-linked vulnerable library functions in executable code
Helping researchers find 0ld daysPosted by Thomas Dullien, Project ZeroExecutive summarySoftware ...
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A look at home routers, and a surprising bug in Linux/MIPS
Xôi Lạc TV là địa chỉ theo dõi bóng đá trực tuyến được người dùng đánh giá cao. Với hàng loạt giải đấu được phát sóng miễn phí cùng nhiều thông tin được cập nhật như lịch thi đấu, kết quả, bảng xếp hạng, tỷ số và những tin tức thể thao đáng chú ý.
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Windows Server 2019 Includes OpenSSH
The OpenSSH client and server are now available as a supported Feature-on-Demand in Windows Server 2019 and Windows 10 1809! The Win32 port of OpenSSH was first included in the Windows 10 Fall Creators Update and Windows Server 1709 as a pre-release feature. In the Windows 10 1803 release, OpenSSH was released as a…
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Giving Mono Souper Powers
By virtue of using LLVM, Mono has access to a wide suite of tools and optimization backends. A lot of active research uses LLVM IR. One such research project, Souper, tries to brute-force a search for missed optimizations in our emitted code. The .NET community may have software projects that benefit from using Souper…
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Optimizing Siri on HomePod in Far‑Field Settings
The typical audio environment for HomePod has many challenges — echo, reverberation, and noise. Unlike Siri on iPhone, which operates close…
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FoundationDB Document Layer
Today we’re open sourcing the FoundationDB Document Layer, a document-oriented database that extends the core functionality of the FoundationDB key-value store.
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How we spent two weeks hunting an NFS bug in the Linux kernel
Here's an in-depth recap of debugging a GitLab issue that culminated in a patch for the Linux kernel.
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Progress in performance and scalability with CockroachDB
CockroachDB 2.1 is 50x more scalable than Amazon Aurora at less than 2% of the price per tpmC. Read on to see performance benchmarks of CockroachDB 2.1, including the latest TPC-C results.
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Amazon DynamoDB On Demand
January 31, 2025: Post updated to clarify the reduced on-demand pricing and workloads recommendations. Just a few years ago, creating a database that could support your business at any scale while providing consistent low latency was a daunting task. That changed for me in 2012 while reading Werner Vogels’ blog post…
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Firecracker – Lightweight Virtualization for Serverless Computing
One of my favorite Amazon Leadership Principles is Customer Obsession. When we launched AWS Lambda, we focused on giving developers a secure serverless experience so that they could avoid managing infrastructure. In order to attain the desired level of isolation we used dedicated EC2 instances for each customer. This…
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Successful second round of fusion experiments with Wendelstein 7-X
The experiments conducted from July until November at the Wendelstein 7-X fusion device at the Max Planck Institute for Plasma Physics (IPP) in Greifswald have achieved higher values for the density and the energy content of the plasma and long discharge times of up to 100 seconds – record results for devices of the…
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Every 7.8μs your computer’s memory has a hiccup
I was particularly interested in one of the consequences of how dynamic RAM works. You see, each bit of data is stored by the charge (or lack of it) on a tiny capacitor within the RAM chip. But these capacitors gradually lose their charge over time.
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Speeding up the charting of sensor information as a waveform graph
A common problem that we have seen come up in several projects, is how to plot large datasets over time in an efficient manner using Qt. Here is one approach that we have found to work well in some situations, maybe it helps you out in your project.
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For a brief period, the Windows kernel tried to deal with gamma rays
Practical development throughout the evolution of Windows.
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FoundationDB 6.0 released, featuring multi-region support
FoundationDB 6.0.15, our first major release since open sourcing FoundationDB in April, is now officially available!
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OpenZFS vs. Btrfs and other file systems (2017)
Michael Dexter returns to update his blog post on the different file systems and details some key developments that are unfolding. He covers what's being added to these respective file systems: OpenZFS, Btrfs, and bcachefs. Michael Dexter has invested his volunteer time and career in Open Source hypervisors and file…