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Call Me Maybe: MariaDB Galera Cluster
Previously, on Jepsen, we saw Chronos fail to run jobs after a network partition . In this post, we’ll see MariaDB Galera Cluster allow transactions to read partially committed state.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 301 posts.
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How We Designed for Performance and Scale
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
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The Road to 2M Websocket Connections in Phoenix
If you have been paying attention on Twitter recently, you have likely seen some increasing numbers regarding the number of simultaneous connections the Phoenix web framework can handle. This post documents some of the techniques used to perform the benchmarks.
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Running three hours of Ruby tests in under three minutes
Stripe uses Sorbet to type check our 15 million lines of Ruby code, making engineers more productive. Here's why we love Sorbet.
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Random Acts of Optimization
Game developers working on a continuously evolving product like League of Legends are constantly battling against the forces of entropy as they add more and more content into unfortunately finite machines. New content carries implicit cost…
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OS X sudoers exploit found in the wild
Last month's discovery of a zero-day vulnerability in OS X led to today's revelation of the first known exploit.
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Intel x86 considered harmful – survey of attacks against x86 over last 10 years
Back in summer I have read a new bookpublished by one of the core Intel architects about the Management Engine (ME).I didn’t quite like what I read there. In...
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First fully sandboxed Linux desktop app
Its not a secret that I've been working on sandboxed desktop applications recently. In fact, I recently gave a talk at devconf.cz about it. However, up until now I've mainly been focusing on the bundling and deployment aspects of the problem. I've been running applications in their own environment, but having pretty…
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Call me maybe: Elasticsearch 1.5.0
Previously, on Jepsen , we demonstrated stale and dirty reads in MongoDB . In this post, we return to Elasticsearch, which loses data when the network fails, nodes pause, or processes crash.
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Parallel Sequential Scan is Committed to PostgreSQL 9.6
I previously suggested that we might be able to get parallel sequential scan committed to PostgreSQL 9.5. That did not happen. However, I...
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Xfce 4.12 released
Today, after 2 years and 10 months of work, we are pleased to announce the release of the Xfce desktop 4.12, a new stable version that supersedes Xfce 4.10.
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Be your own VPN provider with OpenBSD
Blog about network and security, showing example of Linux iptables and Snort configuration, and Windows security softwares.
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Porting third-party programs to TempleOS
Experienced professional software engineer based in York, UK
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Socket.IO C++
I'm really proud to announce the first release of the Socket.IO C++ Client on GitHub!
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Firefox 41 will use less memory when running AdBlock Plus
Last year I wrote about AdBlock Plus’s effect on Firefox’s memory usage . The most important part was the following.
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Call Me Maybe: Chronos
Chronos is a distributed task scheduler (cf. cron) for the Mesos cluster management system. In this edition of Jepsen , we’ll see how simple network interruptions can permanently disrupt a Chronos+Mesos cluster
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Arch Linux on MacBook Pro Retina 2014
[Version française] (/2015/01/arch-linux-sur-macbook-pro-retina-2014-avec-dm-crypt-lvm-et-hibernation)
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Lock freedom without garbage collection in Rust
It’s widespread folklore that one advantage of garbage collection is the ease of building high-performance lock-free data structures. Manual memory management for these data structures is not easy, and a GC makes it trivial.
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A QUIC update on Google’s experimental transport
Last year we announced QUIC , a UDP-based transport protocol for the modern Internet. Over the last quarter, we’ve been increasing the amo...