Return to the use cases and usage analysis to identify areas of peak load usage and make adjustments to your CPU estimates.
For example, suppose for this example you identify the following peak load conditions:
Initial ramp up of users as they log on simultaneously
Email exchanges during specified time frames
To account for this peak load usage, make adjustment to the components providing these services. The following table outlines adjustments you might make to account for this peak load usage.
Table 5–3 CPU Estimate Adjustments for Peak Load
Component |
CPUs (Adjusted) |
Description |
---|---|---|
Messaging Server MTAinbound |
2 |
Add 1 CPU for peak incoming email |
Messaging Server MTAoutbound |
2 |
Add 1 CPU for peak outgoing email |
Messaging ServerMMP |
2 |
Add 1 CPU for additional load |
Messaging Server STR(Message Store) |
2 |
Add 1 CPU for additional load |
Directory Server |
3 |
Add 1 CPU for additional LDAP lookups |