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Things you must know before you can understand Meltdown as a developer
Meltdown is a cache-timing attack on Intel CPUs that allows all memory to be read by any process because of how they do Speculative Execution.
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The State of Atom's Performance
We are archiving Atom and all projects under the Atom organization for an official sunset on December 15, 2022.
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Windows NTFS Tricks Collection
In this blog post René Freingruber (@ReneFreingruber) from the SEC Consult Vulnerability Lab shares different filesystem tricks which were collected over the last years from various blog posts or found by himself.
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Jepsen: MongoDB 3.6.4
MongoDB is a long-time user of Jepsen . Over the past three years, Jepsen has performed several analyses for MongoDB, and MongoDB has integrated an expansive Jepsen test suite into their CI system. In March, MongoDB requested Jepsen perform an analysis on a previously untested configuration: sharded clusters. We also…
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ReactOS 0.4.9 released
ReactOS is a free, opensource reimplementation of windows
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Caching Beyond RAM: The Case for NVMe
memcached
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Effectively using AWS Reserved Instances
Learn how Stripe uses AWS Reserved Instances and capacity planning to effectively manage a dynamic, scalable cloud infrastructure.
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NetBSD 8.0 released
The NetBSD Project is pleased to announce NetBSD 8.0, the sixteenth major release of the NetBSD operating system.
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Supercharging the Git Commit Graph
Have you ever run gitk and waited a few seconds before the window appears? Have you struggled to visualize your commit history into a sane order of
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A Brief History of High Availability
The perennial question of homo sapiens is, 'How did we get here?' Today we're going to take a crack at answering that: where 'here' is defined as 'high availability for web services'.
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Distributed Databases Should Work More Like CDNs
Distributed database performance––both latency and uptime––can be dramatically improved with CDN-like multi-region deployments.
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What Can I Do About Bufferbloat?
Bufferbloat is high latency (or lag) that occurs when there’s other traffic on your network. This means that your network isn’t always responsive - it’s wasting your time.
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Stream and Go: News feeds for 300M users, built on RocksDB and Raft
Discover the tech stack used by Stream. Explore 42 tools across 5 categories.
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Will Kubernetes Collapse Under the Weight of Its Complexity?
A few weeks ago, I attended and spoke at KubeCon EU. It was a massive event attended by around 4,700 people...However, I felt there was an underlying problem with the whole spectacle: everyone I talked to was either an operator or an SRE. Where were al...
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Supercharging the Git Commit Graph IV: Bloom Filters
We've been discussing the commit-graph feature in Git 2.18 and how we can use generation numbers to accelerate commit walks. One area where we can get
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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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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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How to drop 10M packets per second
Internally our DDoS mitigation team is sometimes called "the packet droppers". When other teams build exciting products to do smart things with the traffic that passed through our network, we take joy in discovering novel ways of discarding it.
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Released and Certified: Qt Safe Renderer
Explore the Qt Blog for the latest insights on e.g. Qt Creator, your go-to source for cross-platform development tips and updates.
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The Architecture of Mailinator (2007)
Almost 3.5 years ago I started the Mailinator(tm) service. I got the bulk of the idea from my drunk roommate at the time and the first incar...
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Portability benchmark of Dota2 on MacOS
gfx-rs is a project bringing efficient cross-platform graphics to rust. This blog supposedly hosts the major milestones, concepts, and recaps of the project.
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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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Intel microcode license updated to permit redistribution
Access technologies from partnerships with the community and leaders. Everything open source at Intel. We have a lot to share and a lot to learn.