FreeBSD SMP greatly outperforms Linux under MySQL

shocking writes: "The recent work on moving FreeBSD to a new framework dealing with SMP issues (SMPng) has been finished, so developers have been benchmarking & profiling the code to find performance bottlenecks. After correcting a few, they found that a multithreaded MySQL benchmark performed extremely well under high load, maintaining throughput in situations where Linux throughput collapsed. The write-up is at http://people.freebsd.org/~kris/scaling/mysql.html "