Web service stop after running serveral hours

Error Message:
1. Error:Web service call "Test" execution failed

2. Error:<CENTER><STRONG><FONTCOLOR=#FF0031>Expected SOAP result, received SOAPfault</FONT></STRONG></CENTER>

3. Error:<CENTER><STRONG><FONTCOLOR=#FF0031>Failed to retrieve output arguments/checkpoints - SOAP faultoccurred</FONT></STRONG></CENTER>

4. Abnormal termination, caused by mdrv process termination.

Concurrency Management
http://msdn.microsoft.com/en-us/library/orm-9780596521301-02-08.aspx

WCF Concurrency (Single, Multiple, and Reentrant) and Throttling
http://www.codeproject.com/Articles/89858/WCF-Concurrency-Single-Multiple-and-Reentrant-and


Windows Communication Foundation (WCF) Tools:

1.跟踪配置工具SvcConfigEditor.exe

  C:\Program Files (x86)\Microsoft SDKs\Windows\v8.1A\bin\NETFX 4.5.1 Tools
http://www.cnblogs.com/cnblogsfans/archive/2009/03/16/1413069.html

2.服务跟踪查看器SvcTraceViewer.exe
C:\Program Files (x86)\Microsoft SDKs\Windows\v8.1A\bin\NETFX 4.5.1 Tools
http://tech.ddvip.com/2013-02/1361979922191129.html

3.VS2010中的Profile（性能剖析）功能       

http://www.cnblogs.com/smark/archive/2012/03/14/2395620.html

http://www.cr173.com/html/16133_1.html

http://wenku.baidu.com/link?url=opQN9hzk0HMqP8Dm8a8uQDgikX4Be69uLu0KS2r7OpNX9RnCHg1Nbc_-bRtzGQwOb0bXjT6zdyr0yHOQy_bL7y3ew7F2dBsLbcyparJXvbq