StatelessServiceDescription.MinInstancePercentage Property

Definition

Namespace:

System.Fabric.Description

Assembly:

System.Fabric.dll

Package:

Microsoft.ServiceFabric v9.1.1833

Gets or sets the minimum instance percentage.

public int MinInstancePercentage { get; set; }

member this.MinInstancePercentage : int with get, set

Public Property MinInstancePercentage As Integer

Property Value

Int32

The minimum instance percentage. Defaults to 0 if not provided. Note that the MinInstanceCount parameter must always be greater than 0, so defaulting to 0 guarantees MinInstancePercentage has no effect because MinInstanceCount will have precedence.

Remarks

The MinInstancePercentage property is the minimum percentage of InstanceCount that must be up to meet the EnsureAvailability safety check during operations like upgrade or deactivate node. The actual number that is used is max( MinInstanceCount, ceil( MinInstancePercentage/100.0 * InstanceCount) ).

Note, if InstanceCount is set to -1, during MinInstancePercentage computation, -1 is first converted into the number of nodes on which the instances are allowed to be placed according to the placement constraints on the service.