Apache Proxy: Cache JPGs and others

wwnexc · 06-17-2006, 03:30 PM

Hi,

I have just installed apache and I am intending to run it as a forwarding proxy, to speed up the internet connection by caching common queries.

So far it works great, and after doing some speed tests to see if it works, i was impressed: the first time i tried to access a page, the speed was just as normal. When i accessed the same page on another computer later, it appeared within a few milliseconds. (http://performance.toast.net, text test)

The results for the JPG was not so great. It did not improve at all, even thought the JPG was long within the limits of the cache size. I believe that it should have been cached. It didn't, and I have not yet been able to find out why.

Here is my proxy configuration

Code:

<Proxy *>

Order deny,allow
Deny from all
Allow from 192.168.1.0/255.255.255.0

</Proxy> 



CacheEnable disk *
CacheEnable mem *.htm*


LoadModule cache_module modules/mod_cache.so

<IfModule mod_cache.c>

LoadModule disk_cache_module modules/mod_disk_cache.so

<IfModule mod_disk_cache.c>

CacheRoot /cacheroot
CacheDirLevels 6
CacheDirLength 3
CacheMinFileSize 1
CacheMaxFileSize 10000000

</IfModule> 

LoadModule mem_cache_module modules/mod_mem_cache.so

<IfModule mod_mem_cache.c>

MCacheSize 65536
MCacheMaxObjectCount 1048576
MCacheMinObjectSize 1
MCacheMaxObjectSize 2097152

</IfModule>

# When acting as a proxy, don't cache the list of security updates
# CacheDisable http://security.update.server/update-list/

</IfModule>

I used the example on apache's website, and changed it slightly, the way i thought it would fit my needs. It seems to work, but it doesn't like pictures or other downloads.

Can you please tell me how i can get apache to cache graphics and other files?

Thank You

haertig · 06-18-2006, 08:40 AM

Quote:

Originally Posted by wwnexc

I have just installed apache and I am intending to run it as a forwarding proxy, to speed up the internet connection by caching common queries.

Unfortunately I do not know the answer to your Apache question. I just wanted to point out "Squid" to you. Squid is a caching proxy, designed to do exactly what you are describing. Apache is a webserver, with some caching abilities. Squid may be better suited to the job - you might want to check it out and compare its capabilities to Apache.

wwnexc · 06-18-2006, 02:02 PM

Actionally, I do have Squid installed and running. I just want to compare the performance of the two, before i decide on which server to use in the long run.

By the way: I did not get Squid to chache images and other downloads either. If you could tell me how to do that i would be very thankful too.

haertig · 06-18-2006, 06:44 PM

Quote:

Originally Posted by wwnexc

I did not get Squid to chache images and other downloads either. If you could tell me how to do that i would be very thankful too.

I have just recently installed Squid on my home computer. So I still don't know much about it. I have it specifically set to NOT cache anything, ever. I want Squid not for the caching, but for the ACL control of who gets to go where. I'm using SquidGuard as a Squid redirector to accomplish this. I'm still in the experimental phase. I wish I could help you more, but I'm just learning it myself!

wwnexc · 06-18-2006, 07:29 PM

Yeah, me too. I am still in the learning phase. I came from windows originally, and i still have some linux leaning to do. I still don't know everything in linux as i do with windows. I know it is partially sad, but i think that i am moving toward the right direction. ;-)