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Message: [QUOTE="Chad Perrin, post: 4526581"] Also Python and Common Lisp (though the Lisp codebase is not growing at this point -- it's "legacy code" that is indispensable as long as they keep their RTML templating system). I believe they're still using some FreeBSD systems at Hotmail, and all of Windows is behind free unix firewalls through a proxy service. Migrating to BlueDragon.NET, which uses .NET as the back end for ColdFusion, last I checked. The Wikimedia Foundation (Wikipedia, Wikinews, et cetera) has to my knowledge only ever had a grand total of one FreeBSD server, and it wasn't really used in production. The servers are primarily running on Fedora Core 3-5, with a couple of old Red Hat Linux and pre-Novell SuSE Linux servers (unless those have been upgraded since I stopped working there). The MediaWiki software is all PHP. MySQL is used for databases. Thus, it's classic LAMP platform. There are some Perl and Python scripts running about for various administrative tasks, but they don't represent any kind of measurable percentage of traffic load. There are a lot of squid proxies used for caching to serve pages faster. There's some rudimentary load balancing (last I checked) that's handled at least in part by in-house scripting. The Wikimedia Foundation uses zero .NET or Java, in case you were wondering. While MySpace is (again, based on what I've last heard) migrating to a NET foundation for its ColdFusion, it got to its current prominence entirely on a ColdFusion 5 back-end, as far as I'm aware. Having never been employed by MySpace, I of course cannot be as sure of this as I am about Wikimedia Foundation information. It's also worth noting that Slashdot is Perl on Linux, I think via Apache and MySQL (but don't quote me on that unless I'm right). [/QUOTE]

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