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Scalability Recommendation for LPAR AIM Monitoring

One LPAR AIM can handle P systems environment configurations in the following range:

• Number of HMC Servers: 1 to 4
• Number of Power Systems per HMC Server: 2 to 10
• Number of Virtual I/O Servers per Power System: 1 to 2
• Number of LPARs per Power System: 10 to 100

General recommendations for LPAR AIM monitoring present a typical configuration of LPAR environment:

• Monitored Power Systems: up to 20
• Monitored VIO Servers: up to 30
• Monitored LPARs: up to 300

The AIM consumes CPU and Memory which is roughly a function of the number of LPARs. With a maximum of 300 LPARs the CPU consumption of the sysedge process would be less than 10 percent.

Note: The presented CPU consumption is valid for a dedicated SystemEDGE agent not running any other AIM.

With 300 LPARs added to the LPAR AIM, the sysedge process memory consumption increases by approximately 8 MB.