HipHop for PHP serves 70% more traffic on same hardware

When Facebook moved its servers to HipHop for PHP – the code transformer it built to convert PHP into optimized C++ – the company’s average CPU usage dropped by 50 per cent. And after six months of additional engineering, the tool was about 1.8 times faster. Now, after another six months, the company says, it Read more about HipHop for PHP serves 70% more traffic on same hardware[…]

Opendedup – SDFS, a file-system that does inline deduplication for free

The main features of SDFS are: Cross Platform Support – Works on Linux or Windows. Reduced Storage Utilization – SDFS Deduplication can reduce storage utilization by up to 90%-95% Scalability – SDFS can dedup a Petabyte or more of data. Over 3TB per gig of memory at 128k chunk size. Speed – SDFS can perform Read more about Opendedup – SDFS, a file-system that does inline deduplication for free[…]

Facebook: Why our ‘next-gen’ comms ditched MySQL

About a year ago, when Facebook set out to build its email-meets-chat-meets-everything-else messaging system, the company knew its infrastructure couldn’t run the thing. “[The Facebook infrastructure] wasn’t really ready to handle a bunch of different forms of messaging and have it happen in real time,” says Joel Seligstein, a Facebook engineer who worked on the Read more about Facebook: Why our ‘next-gen’ comms ditched MySQL[…]

Tribler – p2p searching

Tribler is a social community that facilitates filesharing through a peer-to-peer (p2p) network. A p2p network is different from a centralised service, where every user downloads his files from one central server. With p2p, the user/downloader is also an uploader to another user. This way, there is no central computer required that provides every file Read more about Tribler – p2p searching[…]

12 of the most interesting, unusual and useful Linux distros – operating systems, open source, Linux – Good Gear Guide

This list includes distros for specific tasks: Damn Vulnerable Linux Tinfoil Hat Linux CAINE (digital forensics) CAELinux (engineering) a gaming linux Parated Magic (for manipulating your hard disk) Musix GNU + Linux (for making music) ZeroShell (for embedded systems) Mythbuntu and some very very small distro’s. 12 of the most interesting, unusual and useful Linux Read more about 12 of the most interesting, unusual and useful Linux distros – operating systems, open source, Linux – Good Gear Guide[…]

Adobe behind best selling iPad app

The Apple / Adobe Flash spat has reached a new level, with Adobe having a good laugh: The best selling iPad  App, Wired’s June Edition, it turns out, was built using Adobe’s new Adobe Digital Publishing Technologies. “Bwahaha!” says Adobe. “We Were Behind Wired’s iPad Magazine All Along!”. The Digital Publishing Platform being developed by Read more about Adobe behind best selling iPad app[…]

Compiz Keyboard Shortcuts in Ubuntu 10.04 | Tombuntu

Some of the following keyboard shortcuts will not work at all if Compiz (visual effects) if turned off. Workspaces Ctrl + Alt + Left/Right/Up/Down arrow – move to the workspace in the given direction Ctrl + Alt + Shift + Left/Right arrow – move the current window to the workspace in the given direction Super Read more about Compiz Keyboard Shortcuts in Ubuntu 10.04 | Tombuntu[…]