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Practical mod_perl
book

Practical mod_perl

by Stas Bekman, Eric Cholet
May 2003
Intermediate to advanced content levelIntermediate to advanced
924 pages
26h 21m
English
O'Reilly Media, Inc.
Content preview from Practical mod_perl

Part II. mod_perl Performance

This section explains the details of tuning mod_perl and the scripts running under it, so you can squeeze every ounce of power from your server. Performance tuning is a very complex task requiring a lot of understanding and experience, but once you acquire this knowledge you can make magic with your server.

This part of the book would have been much shorter if we had limited ourselves to telling only the facts, without any investigation details. We decided to do the opposite. We show you different areas that we think might be good to investigate in order to improve performance; we show the code under test, the way it was executed, and the results of the test, and we analyze these results and provide conclusions. Each case demonstrates some aspect of the performance-improvement process, so when you complete this part of the book, you will be able to conduct similar tests and decide what’s the best on your own.

This section contains the following chapters:

Chapter 7 helps you track down exactly where your performance problems are.

Chapter 8 gives you some guidelines on how to determine that you’re using the right hardware and operating system. There’s no point spending your time tweaking the configuration of mod_perl if the problem actually lies in the platform you’re running on.

Chapter 9 introduces you to existing tools to analyze your performance and talks about developing your own tools.

Chapter 10 explains how shared memory and forking affect the performance ...

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Publisher Resources

ISBN: 0596002270Errata Page