Package: mysql-server-5.0 Version: 5.0.32-7etch8
For some reason mysql not utilizing all 4 cores, but after installing new libc6 and recompilation from debian sources issue disappeared. attachment 'slave-db-1-cpu-day.png' illustrates load before and after recompilation 'db-1-mysql_queries_blue-day.png' shows statistics on queries
<<attachment: slave-db-1-cpu-day.png>>

