NET/MASTER Management Services (MS) System Management Guide

Balancing Static and DSNM Processes Among CPUs
Configuring the Processing Environment
115414 NonStop NET/MASTER MS System Management Guide 11–63
Suppose that you want to control how dynamic processes are assigned to CPU 0 on
your computer. The following table shows how you can use the PARAM
CPUWEIGHT command to change the available weight of CPU 0 and to influence
how the NCP assigns dynamic processes to CPU 0. It also shows how the available,
used, and remaining CPU weight of CPU 0 changes as dynamic processes start and
stop.
Weight of CPU 0
Action Available Used Remaining Comment
1. NonStop NET/MASTER MS starts. CPU 0 is
configured with a weight of 70 in CONFIG file.
70 0 70 None.
2. A dynamic process starts with a process
weight of 40.
70 40 30 None.
3. You change the weight of CPU 0 to 90. 90 40 50 None.
4. A second dynamic process starts with a
process weight of 30.
90 40 + 30 20 None.
5. A third dynamic process starts with a process
weight of 10.
90 40 + 30 + 10 10 None.
6. You change the weight of CPU 0 to 0. 0 40 + 30 + 10 0* CPU 0 is nominally unavailable to
new dynamic processes. Running
dynamic processes continue.
7. The three dynamic processes stop. 0 0 0 CPU 0 is still unavailable to new
dynamic processes.
8. You change the weight of CPU 0 to 70. 70 0 70 None.
9. A dynamic process starts with a process
weight of 40.
70 40 30 None.
10. You change the weight of CPU 0 to 30. 30 40 0* CPU 0 is nominally unavailable to
new dynamic processes. Running
dynamic process continues.
11. The dynamic process stops. 30 0 30 CPU 0 is now available to new
dynamic processes.
12. You shut down and restart NonStop
NET/MASTER MS without changing the
CONFIG file. NonStop NET/MASTER MS
starts. CPU 0 is configured with a weight of
70 in the CONFIG file.
70 0 70 None.
* If the available weight minus the used weight is negative, the remaining weight is 0.