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Huawei SAP HANA Appliance Single Node Installation Guide (KunLun 9008 and 9016) 10

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Modifying CPU Parameter Settings

Modifying CPU Parameter Settings

  1. Run the cpupower set -b 0 command to configure low latency (maximum performance) for the system.

    cpupower set -b 0

  1. Run the vim /etc/init.d/after.local command to open the after.local file. Then add cpupower set -b 0 to the file to configure the CPU high-performance mode to auto-startup upon power-on.

  1. Run the cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor command to check the CPU working mode.

    performance indicates the high-performance mode.
    HW00001:~ # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

  2. Run the cat /proc/cpuinfo |grep MHz command to check the CPU working frequency.

    cat /proc/cpuinfo |grep MHz

Updated: 2019-08-27

Document ID: EDOC1100004728

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