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Chapter 10. Improving Performance with Shared Memory and Proper Forking

In this chapter we will talk about two issues that play an important role in optimizing server performance: sharing memory and forking.

Firstly, mod_perl Apache processes can become quite large, and it is therefore very important to make sure that the memory used by the Apache processes is shared between them as much as possible.

Secondly, if you need the Apache processes to fork new processes, it is important to perform the fork( ) calls in the proper way.

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