List of Figures

Chapter 1: Introducing Performance Tuning and Optimization

Figure 1-1: ASP.NET application architecture

Figure 1-2: Performance Monitor selection screen for counters

Figure 1-3: Performance Monitor graphs

Figure 1-4: Application availability

Figure 1-5: Application scalability

Figure 1-6: Baseline application performancethroughput

Figure 1-7: Baseline application performanceresponse time

Figure 1-8: The ACT user interface

Chapter 2: Introducing ASP.NET Applications

Figure 2-1: ASP.NET Web site architecture

Figure 2-2: The ap_login screen

Figure 2-3: The ap_ViewState screen

Figure 2-4: Trace log for the ap_ViewState screen

Chapter 3: Writing Optimized Data Access Code

Figure 3-1: ADO.NET architecture

Figure 3-2: The UpdateWithDS.aspx screen

Figure 3-3: Decision flow diagram for data access

Chapter 4: Optimizing Application and Session State Management

Figure 4-1: The ASP.NET State Service

Figure 4-2: Using session state

Figure 4-3: Group A Average requests /sec by session state mode

Figure 4-4: Group A Normalized TTLB by session state mode

Figure 4-5: Group A Normalized TTLB growth by session state mode

Figure 4-6: Group B Normalized TTLB by session state mode

Figure 4-7: Group B Actual memory usage by session state mode

Chapter 5: Caching ASP.NET Applications

Figure 5-1: Page-level output caching using VaryByParam

Figure 5-2: Page-level output caching using VaryByHeader

Figure 5-3: Fragment caching using VaryByParam

Figure 5-4: Fragment caching using VaryByControl

Figure 5-5: Caching with the HttpCachePolicy object

Figure 5-6: Web services caching

Chapter 6: Writing Optimized Web Services

Figure 6-1: Default Service Description File

Figure 6-2: Using the default Service Description file

Figure 6-3: Web service proxy class interface

Figure 6-4: Consuming a Web service synchronously

Figure 6-5: Setting a Web reference to a Web service

Figure 6-6: Consuming a Web service asynchronously

Figure 6-7: Using the WebService behavior

Chapter 7: Stress Testing and Monitoring ASP.NET Applications

Figure 7-1: General characteristics of latency vs. user load

Figure 7-2: Latencies affecting a typical Web application

Figure 7-3: General characteristics of throughput vs. user load

Figure 7-4: General characteristics of utilization vs. user load

Figure 7-5: Latency vs. utilization for a sample application

Figure 7-6: ACT user interface

Figure 7-7: Sample Properties dialog box

Figure 7-8: Defining users in a user group

Figure 7-9: Generate Users dialog box

Figure 7-10: Browse Performance Counters dialog box

Figure 7-11: Test Status window

Figure 7-12: Summary results from the sample test

Figure 7-13: Custom graph of RPS vs. browser connections

Figure 7-14: Custom graph of TTLB vs. browser connections

Chapter 8: Debugging and Tracing ASP.NET Applications

Figure 8-1: Build configurations for application environments

Figure 8-2: The Configuration Manager dialog box

Figure 8-3: Sample solution property pages

Figure 8-4: Sample project's property pages

Figure 8-5: Task List window

Figure 8-6: Setting a breakpoint

Figure 8-7: The Autos window

Figure 8-8: The Locals window

Figure 8-9: The Watch window

Figure 8-10: The QuickWatch window

Figure 8-11: The Breakpoints window

Figure 8-12: The Breakpoint Properties dialog box

Figure 8-13: The Edit and Continue options window for Visual Basic,Visual C#, and Visual C++

Figure 8-14: The Gas Law example page for illustrating debugging

Figure 8-15: The Processes dialog box

Figure 8-16: The Attach to Process dialog box

Figure 8-17: The debugged Processes window

Figure 8-18: Client-side script debugging process

Figure 8-19: Trace outputs using the Warn() and Write() methods

Figure 8-20: Trace output using the trace.axd utility

Figure 8-21: Trace error message in the event log

Figure 8-22: Event logged to the Event Viewer

Figure 8-23: Event properties

Figure 8-24: Default error page

Figure 8-25: Custom error page