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Perl Guide

		Part II:  mod_perl Performance
			Chapter 7.  Identifying Your Performance Problems
				Section 7.1.  Looking at the Big Picture
				Section 7.2.  Asking the Right Questions
				Section 7.3.  References
			Chapter 8.  Choosing a Platform for the Best Performance
				Section 8.1.  Choosing the Right Operating System
				Section 8.2.  Choosing the Right Hardware
				Section 8.3.  References
			Chapter 9.  Essential Tools for Performance Tuning
				Section 9.1.  Server Benchmarking
				Section 9.2.  Perl Code Benchmarking
				Section 9.3.  Process Memory Measurements
				Section 9.4.  Apache::Status and Measuring Code Memory Usage
				Section 9.5.  Code Profiling Techniques
				Section 9.6.  References
			Chapter 10.  Improving Performance with Shared Memory and Proper Forking
				Section 10.1.  Sharing Memory
				Section 10.2.  Forking and Executing Subprocessesfrom mod_perl
				Section 10.3.  References
			Chapter 11.  Tuning Performance by Tweaking Apache's Configuration
				Section 11.1.  Setting the MaxClients Directive
				Section 11.2.  Setting the MaxRequestsPerChild Directive
				Section 11.3.  Setting MinSpareServers, MaxSpareServers, and StartServers
				Section 11.4.  KeepAlive
				Section 11.5.  PerlSetupEnv
				Section 11.6.  Reducing the Number of stat( ) Calls Made by Apache
				Section 11.7.  Symbolic Links Lookup
				Section 11.8.  Disabling DNS Resolution
				Section 11.9.  Response Compressing
				Section 11.10.  References
			Chapter 12.  Server Setup Strategies
				Section 12.1.  mod_perl Deployment Overview
				Section 12.2.  Standalone mod_perl-Enabled Apache Server
				Section 12.3.  One Plain and One mod_perl-Enabled Apache Server
				Section 12.4.  One Light Non-Apache and One mod_perl-Enabled Apache Server
				Section 12.5.  Adding a Proxy Server in httpd Accelerator Mode
				Section 12.6.  The Squid Server and mod_perl
				Section 12.7.  Apache's mod_proxy Module
				Section 12.8.  mod_rewrite Examples
				Section 12.9.  Getting the Remote Server IP in the Backend Server in the Proxy Setup
				Section 12.10.  Frontend/Backend Proxying with Virtual Hosts
				Section 12.11.  HTTP Authentication with Two Servers and a Proxy
				Section 12.12.  When One Machine Is Not Enough for Your RDBMS DataBase and mod_perl
				Section 12.13.  Running More than One mod_perl Server on the Same Machine
				Section 12.14.  SSL Functionality and a mod_perl Server
				Section 12.15.  Uploading and Downloading Big Files
				Section 12.16.  References
			Chapter 13.  TMTOWTDI: Convenience and Habit Versus Performance
				Section 13.1.  Apache::Registry PerlHandler Versus Custom PerlHandler
				Section 13.2.  Apache::args Versus Apache::Request::param Versus CGI::param
				Section 13.3.  Buffered Printing and Better print( ) Techniques
				Section 13.4.  Interpolation, Concatenation, or List
				Section 13.5.  Keeping a Small Memory Footprint
				Section 13.6.  Object Methods Calls Versus Function Calls
				Section 13.7.  Using the Perl stat( ) Call's Cached Results
				Section 13.8.  time( ) System Call Versus $r->request_time
				Section 13.9.  Printing Unmodified Files
				Section 13.10.  Caching and Pre-Caching
				Section 13.11.  Caching with Memoize
				Section 13.12.  Comparing Runtime Performance of Perl and C
				Section 13.13.  References
			Chapter 14.  Defensive Measures for Performance Enhancement
				Section 14.1.  Controlling Your Memory Usage
				Section 14.2.  Coding for a Smaller Memory Footprint
				Section 14.3.  Conclusion
				Section 14.4.  References
			Chapter 15.  Improving Performance Through Build Options
				Section 15.1.  Server Size as a Function of Compiled-in Features
				Section 15.2.  mod_status and ExtendedStatus On
				Section 15.3.  DYNAMIC_MODULE_LIMIT Apache Build Option
				Section 15.4.  Perl Build Options
				Section 15.5.  Architecture-Specific Compile Options
				Section 15.6.  References
			Chapter 16.  HTTP Headers for Optimal Performance
				Section 16.1.  Date-Related Headers
				Section 16.2.  Content Headers
				Section 16.3.  Content Negotiation
				Section 16.4.  HTTP Requests
				Section 16.5.  Avoiding Dealing with Headers
				Section 16.6.  References
		Part III:  Databases and mod_perl
			Chapter 17.  Databases Overview
				Section 17.1.  Volatile Databases
				Section 17.2.  Non-Volatile Databases
				Section 17.3.  References
			Chapter 18.  mod_perl Data-Sharing Techniques
				Section 18.1.  Sharing the Read-Only Data in and Between Processes
				Section 18.2.  Sharing Data Between Various Handlers
				Section 18.3.  References
			Chapter 19.  DBM and mod_perl
				Section 19.1.  mod_perl and DBM
				Section 19.2.  Resource Locking
				Section 19.3.  Flawed Locking Methods
				Section 19.4.  Locking Wrappers Overview
				Section 19.5.  Tie::DB_Lock
				Section 19.6.  Examples
				Section 19.7.  References
			Chapter 20.  Relational Databases and mod_perl
				Section 20.1.  Persistent Database Connections with Apache::DBI
				Section 20.2.  Improving Performance
				Section 20.3.  DBI Debug Techniques
				Section 20.4.  References

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