But the reverse side of this is that I might have one script out of 1000
that needs that much memory.  But since 20 of my httpd processes have run
that script, they all have that much memory and are not going to let it go
no matter what.

I basically sounds like a flaw that memory can not be freed.  Reuse in the
same process is not free memory, it is reused memory.  And it sounds like
there is nothing that the PHP team can do about it.

Brian Moon
Phorum Dev Team - http://phorum.org
Making better forums with PHP

Look for my presentation at ApacheCon 2001.
"Caching Dynamic Web Content to Increase Dependability and Performance"

----- Original Message -----
From: "Andi Gutmans" <[EMAIL PROTECTED]>
Sent: Monday, April 30, 2001 5:02 PM
Subject: Re: [PHP-DEV] PHP 4.0 Bug #8889 Updated: Memory is not being freed.

> At 04:59 PM 4/30/2001 -0500, Brian Moon wrote:
> >This is the answer I had previously received.  IMHO, this sucks.  We
> >do SQL queries on our production site.  It is all cached.  So, SQL is not
> >the problem.  It is most likely because of the storage of large arrays or
> >something of that nature.
> Well maybe you should try and see what in your script is taking up lots of
> memory.
> >I guess we will continue to use MaxRequestsPerChild until one day the
> >that wrote that memory allocation system get a clue.
> They are very clue full. A program which uses X MB of memory is very
> to use X MB of memory again at a later time. For example, how does it help
> you if your 14 MB were shrunk back to 10 MB on each request. The next
> request would probably make it grow back to 14 MB.
> There might be some memory management libraries that shrink the memory
> but I doubt you can gain much from it especially as memory fragmentation
> can severally limit the amount of memory you can reclaim and because of
> point I made before, it's probably just not worth it.
> If you can find a case where you really think PHP is using much too much
> memory let me know and we can try and check together if there's a way to
> improve the situation.
> Andi

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