Re: [squid-users] memory only caching

You need to use the null storeio type. Setting the cache_dir size to 0
will not work (as Squid will refuse to start).

Prakash Khemani wrote:
> I have Squid Version 2.4.STABLE4 running on freebsd 4.4. I want to use
> it as a small but fast memory only HTTP cache. I don't want the squid
> cache to hit the disks for any reason or at least I want to make sure
> that the disk hits are as few as possible. Also I want to avoid using
> MFS or other RAM based disks because I want to avoid filesystem
> overheads. I don't mind if the squid cache has to rebuilt itself every
> time it is started.
>
> How can I do that?
>
> Can I do it by configuring squid.conf somehow? The following parameters
> look like a possibility to me ...
>
> maximum_object_size
> The help says that "Objects larger than this size will NOT be saved on
> disk." What if I make this value 0 KB? That I guess will turn off disk
> caching, but will it also turn off memory caching?
>
> cache_dir
> what if I configure
> cache_dir ufs /usr/local/squid/cache 0 16 256
> Since the cache size is specified as 0 MB will this prevent squid from
> using the disk as a cache?
> Or
> cache_dir ufs /usr/local/squid/cache 100 16 256 read-only
> Will the above directive prevent squid from writing to the cache?
>
> Can I disable all logging by saying
> cache_access_log none
> cache_log none
> cache_store_log none
> cache_swap_log none
>
> Thanks in advance,
> Prakash

-- 
Joe Cooper <joe@swelltech.com>
Web caching appliances and support.
http://www.swelltech.com