Uefi Performance Tuning - IBM System x3850 X5 Implementation Manual

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This option presents the additional memory in the MAX5 as a pool of memory without

being assigned to any particular processor. Use this setting with Linux OSs.

6.9.2 UEFI performance tuning

Tuning the x3850 X5 for performance is a complicated topic, because it depends on which

application you have installed or which workload this application generates. For example, a

database server will generate a separate load on the hardware than a file and print server.

In this section, we provide general settings for the x3850 X5 that can be a good starting point

for performance tuning. For more detailed information about the best settings for your specific

environment and application needs, contact your IBM Business Partner or IBM

representative.

Table 6-9 gives general recommendations for the most common UEFI settings.

Table 6-9 Overview of UEFI settings

Virtualization

QPI Link Speed

Max Performance

Max Performance

Mapper Policy

Patrol Scrub

IBM eX5 Implementation Guide

Virtualization

Power Optimized

Automatically

Max Performance

Max Performance

Automatically

Power Efficiency

Max Performance

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