To allow multiprocessor configurations to be used to the best advantage, the database system supports external/internal tasking that can be configured.
The aim here is to allow the maximum possible number of
database sessions to be supported by the minimum possible number of operating system threads.The configuration of the database system controls the degree of external/internal tasking via the two parameters
MAXUSERTASKS and MAXCPU.On a computer, 4 processors are available for the
In this case, set MAXCPU to 4 and MAXUSERTASKS to 800.
The database instance can then utilize the four processors by establishing four operating system threads, each of which performs an internal tasking for up to 200 users.