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<?xml version="1.0" encoding="utf-8"?>
<Type Name="ServiceThrottle" FullName="System.ServiceModel.Dispatcher.ServiceThrottle">
<TypeSignature Language="C#" Value="public sealed class ServiceThrottle" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit ServiceThrottle extends System.Object" />
<AssemblyInfo>
<AssemblyName>System.ServiceModel</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces />
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Use the <see cref="T:System.ServiceModel.Dispatcher.ServiceThrottle" /> to tune the performance characteristics of a service. The easiest way to configure the <see cref="T:System.ServiceModel.Dispatcher.ServiceThrottle" /> for a service is to use the <see cref="T:System.ServiceModel.Description.ServiceThrottlingBehavior" />, especially from an application configuration file.</para>
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> property specifies the maximum number of messages actively processing across all the dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" /> object.</para>
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property specifies the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects in the service.</para>
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> property specifies the maximum number of sessions a <see cref="T:System.ServiceModel.ServiceHost" /> can accept.</para>
<block subset="none" type="note">
<para>A trace is written when the first call, <see cref="T:System.ServiceModel.InstanceContext" />, or session is queued on the waitlist. The first trace is written as a warning.</para>
</block>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Controls the throughput of a service to optimize availability and performance.</para>
</summary>
</Docs>
<Members>
<Member MemberName="MaxConcurrentCalls">
<MemberSignature Language="C#" Value="public int MaxConcurrentCalls { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentCalls" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Docs>
<value>To be added.</value>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> property specifies the maximum number of messages actively processing across all the dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" /> object. Each channel can have one pending message that does not count against the value of <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentCalls" /> until indigo1 begins to process it. </para>
<block subset="none" type="note">
<para>A trace is written every time the value of this property is exceeded. </para>
</block>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Gets or sets the maximum number of messages actively processing across all dispatcher objects in a <see cref="T:System.ServiceModel.ServiceHost" />.</para>
</summary>
</Docs>
</Member>
<Member MemberName="MaxConcurrentInstances">
<MemberSignature Language="C#" Value="public int MaxConcurrentInstances { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentInstances" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Docs>
<value>To be added.</value>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property specifies the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects in the service. It is important to keep in mind the relationship between the <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentInstances" /> property and the <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> property. If <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> is <see cref="F:System.ServiceModel.InstanceContextMode.PerSession" /> the resulting value is the total number of sessions. If <see cref="P:System.ServiceModel.ServiceBehaviorAttribute.InstanceContextMode" /> is <see cref="F:System.ServiceModel.InstanceContextMode.PerCall" />, the resulting value is the number of concurrent calls. If a message arrives while the maximum number of <see cref="T:System.ServiceModel.InstanceContext" /> objects already exist, the message is held until an <see cref="T:System.ServiceModel.InstanceContext" /> object closes.</para>
<block subset="none" type="note">
<para>A trace is written every time the value of this property is exceeded. The first trace is written as a warning.</para>
</block>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Gets or sets the maximum number of service objects that can execute at one time.</para>
</summary>
</Docs>
</Member>
<Member MemberName="MaxConcurrentSessions">
<MemberSignature Language="C#" Value="public int MaxConcurrentSessions { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 MaxConcurrentSessions" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Docs>
<value>To be added.</value>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>The <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> property specifies the maximum number of channels a <see cref="T:System.ServiceModel.ServiceHost" /> can accept. Each listener object can have one pending channel that does not count against the value of <see cref="P:System.ServiceModel.Dispatcher.ServiceThrottle.MaxConcurrentSessions" /> until indigo2 accepts the channel and begins processing messages on it. This property is most useful in scenarios that make use of sessions.</para>
<block subset="none" type="note">
<para>A trace is written every time the value of this property is exceeded. The first trace is written as a warning.</para>
</block>
<para>For more information about sessions, see <format type="text/html"><a href="864ba12f-3331-4359-a359-6d6d387f1035">Using Sessions</a></format>.</para>
<para>Typically, this property is set using the <see cref="P:System.ServiceModel.Description.ServiceThrottlingBehavior.MaxConcurrentSessions" /> property.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Gets or sets a value that specifies the maximum number of sessions a <see cref="T:System.ServiceModel.ServiceHost" /> object can accept at one time.</para>
</summary>
</Docs>
</Member>
</Members>
</Type>
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