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Defining and Altering Job and Session Parameters [ Introduction to MPE XL for MPE V System Administrators ] MPE/iX 5.0 Documentation


Introduction to MPE XL for MPE V System Administrators

Defining and Altering Job and Session Parameters 

The System Operator can alter the parameters of the JOB and SESSION
commands at any time, using the MISC Configurator.  Two of these
parameters are the same for both jobs and sessions:  MAXLIMIT and POOL.
The others are used specifically for either jobs or sessions.

MAXLIMIT: Limiting Number of Jobs and Sessions 

The MAXLIMIT parameter defines the maximum session or job limit that can
be set by the System Operator with the MPE XL :LIMIT command.  For
example, enter:

     MISC>SESSION MAXLIMIT = 100 or
     JOB MAXLIMIT = 10

POOL: Setting Number of JSMAINs 

MPE XL maintains processes, called JSMAINs, that are used to allocate and
deallocate system resources to and from jobs and sessions.  Each job or
session is assigned a JSMAIN when created.  When a job or session is
terminated, its JSMAIN process becomes available for use.  Although
several hundred JSMAINs can be in use concurrently, it is advisable to
set the system for as few as possible to start with, checking the system
for optimum performance as you raise or lower the number.

     MI>SESSION POOL = 150 or
     JOB POOL = 10



MPE/iX 5.0 Documentation