Numa: Difference between revisions
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*[https://www.baeldung.com/linux/numa-test-support Checking for NUMA capabilities] | *[https://www.baeldung.com/linux/numa-test-support Checking for NUMA capabilities] | ||
*[https://docs.kernel.org/admin-guide/numastat.html Numa policy hit/miss statistics] | *[https://docs.kernel.org/admin-guide/numastat.html Numa policy hit/miss statistics] | ||
*[https://dev.to/sergelogvinov/proxmox-cpu-affinity-for-vms-4dhb Proxmox | *[https://dev.to/sergelogvinov/proxmox-cpu-affinity-for-vms-4dhb Proxmox CPU affinity for VMs] | ||
*[https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_tuning_and_optimization_guide/sect-virtualization_tuning_optimization_guide-numa-numa_and_libvirt libvirt NUMA Tuning] | *[https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_tuning_and_optimization_guide/sect-virtualization_tuning_optimization_guide-numa-numa_and_libvirt libvirt NUMA Tuning] | ||
*[https://forums.unraid.net/topic/99282-basic-vm-tuning-guide-for-multi-socket-motherboards/ Basic VM tuning guide for multi socket motherboards] | |||
*https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/performance_tuning_guide/main-cpu | *https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/performance_tuning_guide/main-cpu | ||
*https://forum.proxmox.com/threads/dual-socket-systems.158898/ | *https://forum.proxmox.com/threads/dual-socket-systems.158898/ | ||
Revision as of 13:33, 10 October 2025
Links
- NUMA and vCPU pinning
- Checking for NUMA capabilities
- Numa policy hit/miss statistics
- Proxmox CPU affinity for VMs
- libvirt NUMA Tuning
- Basic VM tuning guide for multi socket motherboards
- https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/performance_tuning_guide/main-cpu
- https://forum.proxmox.com/threads/dual-socket-systems.158898/
Tools
numactl
numatop
Error messages
CPU is not supported!
Doesn't work in VM? Or just doesn't know the CPU?
numastat
On host
Also try per guest, get PID of guest and
numastat <PID>
On guest
Numatune
Is run on the host
