> From: Kris Kennaway <kris@xxxxxxxxxxxxxx> > We have recently made significant progress on optimizing for MySQL > running on an 8-core amd64 system. The graph of results may be found > here: > > http://www.freebsd.org/~kris/scaling/scaling.png > > This shows the graph of MySQL transactions/second performed by a > multi-threaded client workload against a local MySQL database with > varying numbers of client threads, with identically configured FreeBSD > and Linux systems on the same machine. Interesting -- the MySQL/Linux graph is very similar to the graphs from the .nl magazine posted last year. I think this suggests that the "MySQL deficiency" was rather a performance bug in Linux, not in MySQL itself ... -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.