httpd-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Michael Avila" <Michael.Avil...@sbcglobal.net>
Subject RE: [users@httpd] Caching Images
Date Wed, 21 Dec 2005 03:12:28 GMT
Interesting! Thanks for the tips. I'll look in to it. But it does sound like I will not need
it.

Thanks.

Mike


> -----Original Message-----
> From: jslive@gmail.com [mailto:jslive@gmail.com]On Behalf Of Joshua
> Slive
> Sent: Tuesday, December 20, 2005 10:04 PM
> To: users@httpd.apache.org
> Subject: Re: [users@httpd] Caching Images
> 
> 
> On 12/20/05, Michael Avila <Michael.Avila.1@sbcglobal.net> wrote:
> > The idea is to have the images be cached (even in memory if 
> possible) so that it is super fast as I am running this on my PC 
> that I use for other things. And I only have 1 GB of memory.
> >
> > It is my understanding from reading posts that mod_cache relies 
> on the expire statement. Images will not have that so I was 
> wondering how to cache only them. This is a phpBB forum with 
> oscommerce. Oscommerce more than phpBB has images.
> 
> mod_cache will also cache based on Last-Modified headers, which all
> static files will have.  But you can also add expires headers with
> mod_expires.
> 
> But really, caching static images in this way is going to save you
> very very little.  Assuming your OS has an efficient sendfile syscall,
> it will already be implicitly caching and doing zero-copy network
> sends on frequently-used files.  Putting mod_cache in front of that
> will not make a noticable difference unless you are trying to fill an
> extremely big network pipe.
> 
> You can also look at mod_file_cache
> http://httpd.apache.org/docs/2.2/mod/mod_file_cache.html
> But you should really test this under load, because depending on the
> details of your setup, ordinary sendfile-based serving could be
> faster.
> 
> Joshua.
> 


---------------------------------------------------------------------
The official User-To-User support forum of the Apache HTTP Server Project.
See <URL:http://httpd.apache.org/userslist.html> for more info.
To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
   "   from the digest: users-digest-unsubscribe@httpd.apache.org
For additional commands, e-mail: users-help@httpd.apache.org


Mime
View raw message