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07 October 2011

If you have a 4 CPU socket server that has two NUMA nodes with CPUs (0,1) and (2,3), can you create a soft-NUMA node with CPUs 1 and 2?

No
Explanation:
The soft NUMA nodes that SQL Server can create cannot cross hardware NUMA boundaries. So you cannot create a soft NUMA set with CPUs 1 and 2.

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