Re: [squid-users] Squid is not caching much

On Mon, 28 Feb 2005, Robert Borkowski wrote:

> James Stocks wrote:
> > I've installed Squid on OS X 10.3, I'm trying to use it to cache large
> > files (mainly stuff like OS updates). The problem is that according to
> > store.log, everything seems to be released from the cache straight away:
> >
> > 1109458635.046 RELEASE -1 FFFFFFFF 5190EC019A89E3FF32D62D1693A09C7E 200
> > 1109458630 1107797158 -1 application/octet-stream 6946727/194984
> > GET http://ftp.plig.net/pub/apache/dist/httpd/httpd-2.0.53.tar.gz
> > 1109460094.435 RELEASE -1 FFFFFFFF E2F545F6D2407B81FB35E1FF0140886F 200
> > 1109459923 1107797158 -1 application/octet-stream 6946727/6946727
> > GET http://ftp.plig.net/pub/apache/dist/httpd/httpd-2.0.53.tar.gz
> >
> > This is my squid.conf:
> >
> > cache_effective_user squid
> > cache_effective_group squid
> > http_port 192.168.0.81:3128
> > http_port 127.0.0.1:3128
> > cache_mgr cache@stocksy.co.uk
> > visible_hostname stocksy.is-a-geek.com
> > cache_dir ufs /usr/local/squid/var/cache 7000 16 256
> > cache_swap_low 90
> > cache_swap_high 95
> > maximum_object_size 2097152 KB
> > cache_mem 32 MB
> > refresh_pattern -i \.gz$ 4320 100% 43200 reload-into-ims override-expire
> > override-lastmod ignore-reload
> > refresh_pattern . 0 20% 4320
> > cache_log /usr/local/squid/var/logs/cache.log
> > cache_access_log /usr/local/squid/var/logs/access.log
> > cache_store_log /usr/local/squid/var/logs/store.log
> > logfile_rotate 4
> > acl All src 0/0
> > acl Manager proto cache_object
> > acl Localhost src 127.0.0.1/32
> > acl Safe_ports port 80 21 443 563 70 210 280 488 591 777 1025-65535
> > acl SSL_ports port 443 563
> > acl CONNECT method CONNECT
> > acl SpruceWayNetwork src 192.168.0.0/24
> > http_access allow Manager Localhost
> > http_access deny Manager
> > http_access deny !Safe_ports
> > http_access deny CONNECT !SSL_ports
> > http_access allow SpruceWayNetwork
> > http_access deny All
> >
> > I googled for similar problems, the only solutions I found were that the
> > cache wasn't writable (I did 'chown -R squid:squid /usr/local/squid') or
> > that the cache_swap_low was higher than cache_swap_high (which it isn't).
> > I also increased the maximum_object_size to 2097152 KB.
> >
> > Many thanks,
> > James Stocks.
> >
> >
> >
>
> The FFFFFFFF in the store.log means the memory object was released.
> Squid puts incoming objects into memory, swaps them out to disk, and the if
> the object is larger than the tunable maximum_object_size_in_memory' it
> releases the memory object. OS updates tend to be bigger than the 8 KB default
> for this.
>
> Is there a SWAPOUT line for that same object?

You might want to check with Apple. They may have set the updates to be
non-cacheable. Some updates are only available to users with a current
support contract.

Merton Campbell Crockett

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