What Is NUMA? Virtualization Performance Basics
NUMA describes systems where CPUs and memory are organized into nodes and memory-access cost differs between local and remote access.
Why This Topic Matters
NUMA describes systems where CPUs and memory are organized into nodes and memory-access cost differs between local and remote access.
Key Decision Points
Consider NUMA boundaries when sizing large VMs.
Know the physical NUMA topology of the host.
Do not size very large VMs using aggregate resources alone.
Check remote-memory effects during performance analysis.
How This Content Was Prepared
Doz Teknoloji Technical Team
This content is based on the technical evaluation approach used across Doz Teknoloji's enterprise IT practice areas.
Technical criteria + primary sources
The topic was cross-checked against vendor documentation, standards bodies and relevant official technical sources.
Improve decision quality
The goal is not only to define a technical term, but to make the decision criteria visible before a purchase, architecture or operations decision.
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