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NumaNode.AffinityMask Property

Gets or sets the affinity type for the NUMA node represented by this NumaNode object.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

public NumaNodeAffinity AffinityMask { get; set; }

Property Value

Type: Microsoft.SqlServer.Management.Smo.NumaNodeAffinity
Returns a NumaNodeAffinity value that specifies the current state of this NUMA node.

Trying to set the AffinityMask property to Partial will throw the exception: WrongPropertyValueException(NumaNodeAffinity cannot be set to Partial. Change the affinity setting to None or Full.).

The following example shows how to set the affinity of the NUMA node to None for each NUMA node on the local instance of SQL Server.

using System;
using Microsoft.SqlServer.Management.Smo;

namespace samples
    class Program
        static void Main(string[] args)
            Server dbServer = new Server("(local)");
            foreach (NumaNode node in dbServer.AffinityInfo.NumaNodes)
                node.AffinityMask = NumaNodeAffinity.None;
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