Configuring NUMA on a Proxmox VE VM

E

emptness

Member
Aug 19, 2022
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Hello everyone!
Colleagues, tell me what the line from the documentation means: "If the NUMA option is used, it is recommended to set the number of sockets to the number of nodes of the host system"?
Which nodes are we talking about?
 
bbgeek17 said:
NUMA nodes:
https://man7.org/linux/man-pages/man7/numa.7.html#:~:text=Non-Uniform Memory Access (NUMA,CPU and the accessed node.

Non-Uniform Memory Access (NUMA) refers to multiprocessor systems
whose memory is divided into multiple memory nodes

https://kb.blockbridge.com/technote/proxmox-tuning-low-latency-storage/#numa-topology

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
Click to expand...

bbgeek17​

thanks a lot for the links, I will definitely try to study in more detail.

But let me clarify, does the number of nodes not match the number of server sockets in the default configuration?

If I'm wrong, can someone tell me how to quickly clarify the number of nodes in the host system?
 
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