Specifies the maximum number of processes that the server can have running simultaneously. If you don’t include MaxProcs in your magnus.conf file, the server defaults to running a single process.
One process per processor is recommended if you are running in multi-process mode. In Sun Java System Web Server 6.1, there is always a primordial process in addition to the number of active processes specified by this setting.
Additional discussion of this and other server configuration and performance tuning issues can be found in the Sun Java System Web Server 6.1 Performance Tuning, Sizing, and Scaling Guide.