SAP Knowledge Base Article - Preview

3522067 - Recommendations for Linux OS Parameters 'current_driver' and 'scaling_governor' for SAP HANA

Symptom

You are seeking guidance on the optimal settings for the Linux OS parameters 'current_driver' and 'scaling_governor':

  • /sys/devices/system/cpu/cpuidle/current_driver
  • /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

These settings impact the performance of SAP HANA running on certain Linux distributions.


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Environment

  • SAP HANA, platform edition 1.0
  • SAP HANA, platform edition 2.0
  • SUSE Linux Enterprise Server (SLES) 11
  • Red Hat Enterprise Linux (RHEL) 6

Product

SAP HANA 1.0, platform edition ; SAP HANA, platform edition 2.0

Keywords

scaling_governor, current_driver, CPU power saving , KBA , HAN-DB , SAP HANA Database , BC-OP-LNX , Linux , How To

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