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Facilité d'utilisation
Technical white paper
Configuring and tuning
HP ProLiant Servers for
low-latency applications
Contents
Introduction .................................................................................................................................................................... 2
What’s new ..................................................................................................................................................................... 2
Recommended hardware configurations ................................................................................................................ 3
Preparing for low-latency configuration .................................................................................................................. 4
Taking inventories or snapshots ......................................................................................................................... 4
Upgrading BIOS ........................................................................................................................................................ 4
Upgrading firmware ............................................................................................................................................... 5
Obtaining the Scripting Toolkit ............................................................................................................................. 5
Recommended platform tuning ................................................................................................................................ 6
System requirements ............................................................................................................................................ 6
Tuning recommendations and explanations .................................................................................................... 6
QPI Snoop Configuration information and considerations (Gen9 only)................................................................ 8
Core frequencies for AVX vs.non-AVX applications information and considerations (Gen9 only) .................. 9
Turbo mode information and considerations .......................................................................................................... 9
Disabling processor power and utilization monitoring and memory pre-failure notification SMIs................ 10
Disabling Dynamic Power Capping Functionality .................................................................................................. 10
Disabling Patrol Scrubbing........................................................................................................................................ 10
Setting the Memory Refresh Rate ........................................................................................................................... 10
Setting Memory Power Savings Mode and ACPI SLIT preferences ..................................................................... 11
Tuning with the ROM-based Setup Utility (RBSU) ................................................................................................. 11
Tuning with conrep .................................................................................................................................................... 11
Recommended operating system tuning ............................................................................................................. 14
Linux ........................................................................................................................................................................ 14
Preparing Linux-based servers for low-latency tuning ........................................................................................ 14
Red Hat MRG Realtime .............................................................................................................................................. 15
Recommended Linux boot-time settings ............................................................................................................... 15
Verifying the configuration ....................................................................................................................................... 15
Windows ................................................................................................................................................................. 16
HP-TimeTest ............................................................................................................................................................... 17
Frequently asked questions ..................................................................................................................................... 18
Support and other resources ................................................................................................................................... 19
Resources and documentation ......................................................................................................................... 19
Before you contact HP ........................................................................................................................................ 19
HP contact information ....................................................................................................................................... 20
Acronyms and abbreviations ................................................................................................................................... 20
Documentation feedback ......................................................................................................................................... 21
Part Number: 581608-006
November 2014
Edition: 7
Introduction 1
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