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The Biggest Myths
Posts and writings by Lennart Poettering
New
The latest blog posts to take off on Hacker News. 190 posts.
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Ifs and &&s and Plan 9's Source Code
Spiros Eliopoulos. Blog Posts, Projects, Past Gigs, & Publications.
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SQLite improves performance with memory-mapped I/O
A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site .
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Go 1.1 performance improvements
This is the first in a series of articles analysing the performance improvements in the Go 1.1 release.
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Call me maybe: final thoughts
Previously in Jepsen , we discussed Riak . Now we’ll review and integrate our findings.
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Jepsen: Postgres
Previously on Jepsen , we introduced the problem of network partitions . Here, we demonstrate that a few transactions which “fail” during the start of a partition may have actually succeeded.
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Jepsen: Redis
Previously on Jepsen , we explored two-phase commit in Postgres . In this post, we demonstrate Redis losing 56% of writes during a partition.
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Fish shell 2.0
fish 2.0 is now released! fish is a fully-equipped command line shell (like bash or zsh) that is smart and user-friendly. fish supports powerful features like syntax highlighting, autosuggestions, and tab completions that just work, with nothing to learn or configure.
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Memory Allocators 101
For the last few weeks, I've been working on a couple of patches to tcmalloc, Google's super high performance memory allocator. I'm going to post about them soon, but first I thought it would be cool to give some background about what a memory allocator actually does. So, if you've ever wondered what happens when you…
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Parallelism and concurrency need different tools
In this piece, I disagree with Joe Armstrong and Rob Pike, basing my argument on the differences between vending machines and gift boxes (illustrated with drawings carefully prepared in Microsoft Paint).
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Firefox, Heal Thyself
This week's release of Firefox includes the beginning of a pretty cool feature. The Firefox Health Report is a new system we've built to log basic health information about your ...
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A rant about some of the nice things in the NT kernel
A blog titled Shipping Seven has gotten a lot of traffic recently for their article about Windows 7 and the MinWin kernel – namely, how they’re actually one and the same. The argument o…
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Windows NT Kernel Contributor Explains Why Performance is Behind Other OS
I was explaining on Hacker News why Windows fell behind Linux in terms of operating system kernel performance and innovation. And out of nowhere an anonymous...
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Hacking Google's HVAC Systems
Arctic Wolf®, the leader in security operations, has acquired Cylance, a pioneer of AI-based endpoint security.
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Response Time Limits: Article by Jakob Nielsen
How users react to delays in a user interface, whether website or application. The 3 main response time limits are determined by human perceptual abilities.
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Update on Go 1.1 crypto performance
Some time ago I integrated OpenSSL's MD5, SHA1 and RC4 functions into Go because Go's native implementations were slow. The Go team has ma...
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Linux on an 8-bit micro
Dmitry.GR: A successful experiment in running real Linux on an 8-bit AVR.
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MRI's Method Caches
One of MRI's big performance problems is that method cache expiry is global. That is, any time you make a change to any class anywhere, the entire VM's method caches get busted at the same time. This is why you'll frequently hear people saying that "calling Object#extend is bad".
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The Bw-Tree: A B-tree for New Hardware
Explore research at Microsoft, a site featuring the impact of research along with publications, products, downloads, and research careers.
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Ubuntu low-memory install for VMs
For those of you who play with virtual-machines like VMware, the Ubuntu server .iso contains an option for dramatically reducing the amount ...
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An HTTP reverse proxy for realtime
Pushpin makes it easy to create HTTP long-polling, HTTP streaming, and WebSocket services using any web stack as the backend. It’s compatible with any framew...
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Redis as the primary data store
Le tecnologie in tempo reale stanno trasformando il digitale. Permettono interazioni immediate e autentiche🎯 Scopri come migliorano l'esperienza utente e favoriscono il coinvolgimento.
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Performance of Rust and Dart in Sudoku Solving
Introduction About two years ago I evaluated the performance of ~20 compilers and interpreters on sudoku solving, matrix multiplication, pattern matching and dictionary operations. Two years later,…
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Introduction to x64 Assembly
Access technologies that use data for modern code, machine learning, big data, analytics, networking, storage, servers, cloud, and more.