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From "Carl Johnstone" <>
Subject Re: Reducing memory usage using fewer cgi programs
Date Wed, 29 Oct 2008 14:35:58 GMT
> I won't try to speak for Michael, but technically that memory does not
> become available for reuse by Perl, even if they are lexical variables
> and they go out of scope, unless you explicitly undef the variables.
> Perl keeps the memory for them allocated as a performance
> optimization.

That was the bit I was forgetting.

As said elsewhere I generally use a MaxRequestsPerChild value of 1000 which 
means that any extra memory allocated in your child processes will be 
returned to the OS fairly regularly and apache will fork a nice clean child.


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