>From: "Jeff Stuart" <[EMAIL PROTECTED]>
>To: "Gunther Birznieks" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>
>Subject: RE: Modperl/Apache deficiencies... Memory usage.
>Date: Tue, 18 Apr 2000 02:07:24 -0400
>
>I understand that. :) And that was something that I had to learn myself.
>:) It's a BAD thing when suddenly your httpd process takes up 100 MB. :)
>It's just that it sounded like Shane was saying that his httpds were
>starting OUT at 4 to 6 MB. That sounded a little unusual to me but then
>again, I've pared down my httpd config so that I don't have things in that
>I
>don't need.
>
>I'm just curious as to what he has in there.
Why not post here the .conf files and then compare them ?
>
>--
>Jeff Stuart
>[EMAIL PROTECTED]
>
>-----Original Message-----
>From: Gunther Birznieks [mailto:[EMAIL PROTECTED]]
>Sent: Tuesday, April 18, 2000 1:24 AM
>To: [EMAIL PROTECTED]
>Subject: RE: Modperl/Apache deficiencies... Memory usage.
>
>If you aren't careful with your programming, an apache HTTPD can always
>grow pretty quickly because Perl never releases the RAM it allocates
>previously. While it does that reference count garbage collection, that is
>internal to the RAM that was allocated.
>
>Let's say you need to sort a record set returned from a DBI call in an
>unusual perl-like way. If you do this "in memory", you need an array to
>hold the entire recordset in memory at once. If you do this, though, you
>will allocate the RAM for that one request that sorted the array and then
>the HTTPD will remain that size forever.
>
>Keeping the higher RAM allocation is good for performance if you have the
>RAM of course. So this is one of those design tradeoffs. And Perl was not
>really written to be a persistent language, so again, the tradeoff of
>operational speed seems to make sense versus persistent memory usage.
>
>Later,
> Gunther
>
>At 12:25 AM 4/18/00 -0400, Jeff Stuart wrote:
> >Shane, question for you. No offense intended here at all but what do you
> >have in your apache servers (other than mod_perl) that use 4 to 6 MB?
>I've
> >got one server that I'm working on that handles close 1 Mil hits per day
> >than runs WITH mod_perl that uses 4 to 6 MB. ;-) Without mod_perl, it
> >takes up around 500 to 800 KB. Now on another server my mod_perl server
> >uses about 13 Mb per but it's my devel machine so I've got a lot of stuff
> >loaded that I wouldn't have in a production server.
> >
> >--
> >Jeff Stuart
> >[EMAIL PROTECTED]
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> >Sent: Saturday, April 15, 2000 6:46 PM
> >To: Perrin Harkins
> >Cc: [EMAIL PROTECTED]
> >Subject: Re: Modperl/Apache deficiencies... Memory usage.
> >
> >Your apache processes would be the size of a stock
> >apache process, like 4-6M or so, and you would have 1 process that
> >would be 25MB or so that would have all your registry in it.
>
>__________________________________________________
>Gunther Birznieks ([EMAIL PROTECTED])
>Extropia - The Web Technology Company
>http://www.extropia.com/
>
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