The largest stock exchange in the world fully switched to Linux

As planned , the New York Stock Exchange has completely switched to Linux. Previously, only trading terminals worked under Linux, and now a large number of HP servers have been purchased and installed, which will become the core of the electronic trading system NYSE Hybrid Market . Standard servers on the x86 architecture with the Linux operating system will replace the Unix machines that were used here before.

The management of the NYSE says that the main reason for the upgrade is an attempt to achieve maximum platform independence from anyone, including hardware vendors and software manufacturers. For this reason, they do not want to deal with proprietary versions of Unix, including HP-UX and IBM AIX, as well as Solaris.

The Exchange installed 200 HP ProLiant DL585 four-processor servers and 400 ProLiant BL685c blade servers. All of them work under Linux on dual-core Opteron processors and process billions of transactions per day, applications for which are received, including via the Internet.
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The technical director of the exchange said that the Linux system was quite ripe for serious tasks, although it also “did not achieve such polishing as Unix with a twenty-year history.”