HP-UX Workload Manager User's Guide

How WLM manages workloads
Allocating CPU resources: The rising tide model
Chapter 3 123
Figure 3-2 illustrates the rising tide model. Moving from left to right
within a single priority shows how WLM grants additional CPU
resources to the workloads.
Figure 3-2 CPU allocation: the rising tide model
Priority 1 CPU requests
Group A 15
Group B 25
Priority
2 CPU requests
Group A 60
Group B 60
Group C 60
Rising tide
➜
➜
CAACB
A B C A B C
+14 +14
ABC
15
15
+10
Group OTHERS (not shown)
has the minimum 1 CPU share
15
25
60 60 60
15
25
15
+10
25
B
15
+10
25
+8
25
+8
25
+8
ACB
➜
➜
+14