WCF启动花费了太多时间

发布时间：2020-12-16 09:35:27 所属栏目：百科来源：网络整理

导读：在所有呼叫执行非常快之后,WCF服务在第一次请求时大约需要5-6秒. 下面是我的WCF服务的客户端配置. 使用IIS主机. WSHttpBinding binding = new WSHttpBinding(); binding.SendTimeout = TimeSpan.FromMinutes(1); binding.OpenTimeout = TimeSpan.FromMinutes

在所有呼叫执行非常快之后,WCF服务在第一次请求时大约需要5-6秒.
下面是我的WCF服务的客户端配置.

使用IIS主机.

WSHttpBinding binding = new WSHttpBinding();
        binding.SendTimeout = TimeSpan.FromMinutes(1);
        binding.OpenTimeout = TimeSpan.FromMinutes(1);
        binding.CloseTimeout = TimeSpan.FromMinutes(1);
        binding.ReceiveTimeout = TimeSpan.FromMinutes(1);
        binding.AllowCookies = false;
        binding.BypassProxyOnLocal = false;
        binding.HostNameComparisonMode = HostNameComparisonMode.StrongWildcard;

        binding.MessageEncoding = WSMessageEncoding.Mtom; 

        binding.TextEncoding = System.Text.Encoding.UTF8;
        binding.UseDefaultWebProxy = true;
        binding.Name = "BasicHttpBinding_ILearningService";


        binding.Security.Mode = SecurityMode.Transport;              
        binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.None;
        binding.Security.Transport.ProxyCredentialType = HttpProxyCredentialType.None;
        binding.Security.Transport.Realm = "";

服务器端配置

<services>
  <service behaviorConfiguration="LearningServiceServiceBehavior" name="LearningService">
    <host>

      <baseAddresses>
        <add baseAddress="https://xxxxx/LearningService.svc" />
      </baseAddresses>
    </host>
    <endpoint address="" binding="wsHttpBinding" bindingConfiguration="TransportSecurity" contract="ILearningSuiteService">
      <identity>
        <dns value="localhost" />
      </identity>
     </endpoint>

    <endpoint address="mex" binding="mexHttpsBinding" contract="IMetadataExchange" />
  </service>
</services>
<bindings>
  <wsHttpBinding>
    <binding name="TransportSecurity" messageEncoding="Mtom" sendTimeout="00:1:00" openTimeout="00:2:00">
      <security mode="Transport">
        <transport clientCredentialType="None" />
      </security>
    </binding>
  </wsHttpBinding>
</bindings>
<behaviors>
  <serviceBehaviors>
    <behavior name="LearningServiceServiceBehavior">
      <serviceMetadata httpsGetEnabled="true" httpGetEnabled="false" httpGetUrl="http://xxxxxxx/Metadata" httpsGetUrl="https://xxxxxxxx/Metadata" />
      <serviceDebug includeExceptionDetailInFaults="true" />
    </behavior>
  </serviceBehaviors>
</behaviors>

解决方法

您可能会看到的另一个问题是,当您使用传输安全性时,每次创建新代理时都会在客户端上进行证书验证.例如,由于证书的撤销列表无法及时提供,证书验证是否可能很昂贵？

尝试关闭安全性,看看是否会改变行为

（编辑：李大同）

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