Yes, but it would be really nice if it was returned. Systems with 128MB or
RAM run out quickly if there is a script ( like a long Phorum thread ) that
takes a good chunk. Of course the argument can be made that the box needs
more RAM but if the memory can be returned (maybe even with a php.ini
setting that states the max amount PHP should keep) to the system why not do
it?
Brian Moon
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Phorum Dev Team - http://phorum.org
Making better forums with PHP
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----- Original Message -----
From: "Rasmus Lerdorf" <[EMAIL PROTECTED]>
To: "Brian Moon" <[EMAIL PROTECTED]>
Cc: "Filip Sielimowicz" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Sunday, January 28, 2001 12:23 AM
Subject: Re: [PHP-DEV] PHP 4.0 Bug #8889: Memory is not being freed.
> > It is not a leak exactly but more of a greed. It seems to be a
> > semi-intentional but not necessary thing. It seems that the way
Zend/PHP is
> > allocating memory is not allowing it to be returned to the system. Once
PHP
> > has some memory it will not let it go, but it will reuse it. So, if a
> > script takes up a good chunk of memory, it is never returned to the
system
> > unless that httpd process is killed or dies.
>
> Right, this is standard. But this does not explain incremental memory
> usage. Memory is marked as free and re-used. It does not need to be
> returned to the system for it to be re-used. So the memory usage for any
> one process should never exceed the memory usage of your most memory
> hungry script.
>
> -Rasmus
>
>
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