wcf并发问题，我越来越懵逼了

[qq_41337165]

我测试10个并发过去会随机丢失一些，上网找了很多资料填补还是没用，哪位大神来帮我看看是哪里不行

服务端web.confg

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
  </configSections>
  <appSettings>
    <!--<add key="aspnet:MaxHttpCollectionKeys" value="5000" />-->
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <httpRuntime />
    <pages controlRenderingCompatibilityVersion="4.0" />
  </system.web>
  <system.serviceModel>
    <services>
      <service name="ADGrainWcfService.SQLiteHelperService">
        <host>
          <baseAddresses>
            <add baseAddress="ADGrainWcfService.SQLiteHelperService" />
          </baseAddresses>
        </host>
        <endpoint address="" binding="basicHttpBinding" contract="ADGrainWcfService.ISQLiteHelperService" />
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <!-- 为避免泄漏元数据信息，请在部署前将以下值设置为 false -->
          <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />
          <!-- 要接收故障异常详细信息以进行调试，请将以下值设置为 true。在部署前设置为 false 以避免泄漏异常信息 -->
          <serviceDebug includeExceptionDetailInFaults="true" />
        <dataContractSerializer maxItemsInObjectGraph="2147483647"/>
          <serviceThrottling maxConcurrentCalls="200" maxConcurrentSessions="5000" maxConcurrentInstances="200" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <protocolMapping>
      <add binding="basicHttpsBinding" scheme="https" />
    </protocolMapping>
    <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
  <bindings>
            <basicHttpBinding>
              <binding name="basicHttpBinding" closeTimeout="00:30:00"
openTimeout="00:30:00" receiveTimeout="00:30:00" sendTimeout="00:30:00"
 transferMode="Buffered"
hostNameComparisonMode="StrongWildcard"
maxBufferPoolSize="2147483647" maxBufferSize="2147483647"
maxReceivedMessageSize="2147483647">
              </binding>
                  
            </basicHttpBinding>
        </bindings>
  </system.serviceModel>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
    <!--
        若要在调试过程中浏览 Web 应用程序根目录，请将下面的值设置为 True。
        在部署之前将该值设置为 False 可避免泄露 Web 应用程序文件夹信息。
      -->
    <directoryBrowse enabled="true" />
  </system.webServer>
  <entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="mssqllocaldb" />
      </parameters>
    </defaultConnectionFactory>
    <providers>
      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
    </providers>
  </entityFramework>
  <connectionStrings>
    <add name="SQLiteConnectionString" connectionString="Data Source=D:\ADGrain\ADGrain.db;Version=3;Pooling=True;Max Pool Size=639;FailIfMissing=False;" providerName="System.Data.SQLite" />
  </connectionStrings>
  <system.data>
    <DbProviderFactories>
      <remove invariant="System.Data.SQLite.EF6" />
      <add name="SQLite Data Provider (Entity Framework 6)" invariant="System.Data.SQLite.EF6" description=".NET Framework Data Provider for SQLite (Entity Framework 6)" type="System.Data.SQLite.EF6.SQLiteProviderFactory, System.Data.SQLite.EF6" />
    <remove invariant="System.Data.SQLite" /><add name="SQLite Data Provider" invariant="System.Data.SQLite" description=".NET Framework Data Provider for SQLite" type="System.Data.SQLite.SQLiteFactory, System.Data.SQLite" /></DbProviderFactories>
  </system.data>
<system.net>
  <connectionManagement>
    <add address="*" maxconnection="200"/>
  </connectionManagement>
</system.net>
</configuration>

服务类代码

[ServiceBehavior(InstanceContextMode=InstanceContextMode.PerCall,ConcurrencyMode =ConcurrencyMode.Multiple)]
    public class WithDrawService : IWithDrawService
    {
           int IWithDrawService.TestConcurrent()
        {
            return 1;
        }           
    }