Topics: Red Hat / Linux

Disable NUMA on RHEL version 7

This article is based on: and describes how to disable NUMA on a Red Hat version 7 based system.

Edit file /etc/default/grub, and add "numa=off" to the GRUB_CMDLINE_LINUX, for example:

GRUB_CMDLINE_LINUX="crashkernel=auto rhgb
quiet transparent_hugepage=never numa=off"
Rebuild the grub config:
# grub2-mkconfig -o /etc/grub2.cfg
Then reboot:
# reboot

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