This article is based on: https://access.redhat.com/solutions/23216 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:
Rebuild the grub config:GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet transparent_hugepage=never numa=off"
Then reboot:# grub2-mkconfig -o /etc/grub2.cfg
# reboot
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