can I simulate numa

[markhxp]

my host machine only have one numa node。I want‘s test numa。can I simulate numa vm’

 

[leesteken]

my host machine only have one numa node。I want‘s test numa。can I simulate numa vm’

On Ryzen, the motherboard BIOS has an option for that (NUMA per L3 cache). Maybe your system has something similar?

 

[markhxp]

root@pve:~# numactl --hardware
available: 1 nodes (0)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11
node 0 size: 64076 MB
node 0 free: 43503 MB
node distances:
node 0
0: 10

but only one numa node