Re: [squid-users] New Accel Reverse Proxy Cache is not caching everything... how to force?

Waitman Gobble wrote:
> Amos Jeffries wrote:
>> Andres Salazar wrote:
>>> Hello,
>>>
>>> Ive setup my first reverse proxy to accelerate a site, ive used wget
>>> to spider the entire site several times and noticed that even after
>>> running it some files never get cached like html files! I presume it
>>> is because the htmls dont have the correct cache headers.
>>>
>>> It didnt even want to cache up .swf files, but then I added this line
>>> and it helped a lot but not completely.
>>>
>>> refresh_pattern . 0 20% 4320 ignore-reload
>>>
>>> Iam thinking then the best approach is to make squid cache EVERYTHING,
>>> and then manually give it specific exceptions of dynamic content (
>>> like .php and some .html with embedded php scripts). I dont want to
>>> start editting files because I want to test the performance increase
>>> before adding headers one by one.
>>
>> No its not the best approach. The best approach is to take what really
>> exists right now and see how the variations you plan change things.
>>
>
> hi andres,
>
> one question, you DID increase the defaults in squid.conf right?
> I *think* the default maximum_object_size is 8k and cache_mem is 32M and
> most "examples" i've seen on the 'net set the cache_dir to 100 or 256 M
> (but please check the docs for the version you're running, as these
> values change). If you run like that it won't cache much of anything, at
> least from what I've noticed. I cranked up the numbers and the hit rate
> increased significantly within a few hours (18% to 49% at this moment).
> I'm not an expert with regards to 'sane and appropriate' settings but my
> current experiment is
>
> cache_dir ufs /cache 307200 16 256

Try aufs (best on Linux) or diskd (best on BSD).

> maximum_object_size 65536 KB

aka, 64 MB right? ;)

If you are after multimedia bits the current traffic documented is up to
250MB object size.

> cache_mem 3008 MB
>
> seems to be working properly, at the moment. squid is kind-of a living
> thing though, i'll see what happens over the next few days. :-)
>
> Maximum Size: 314572800 KB
> Current Size: 1182386 KB
> Percent Used: 0.38%
> Filemap bits in use: 32249 of 32768 (98%)
> Filesystem Space in use: 3098264/465070216 KB (1%)
> Filesystem Inodes in use: 117389/60128254 (0%)
>
> HTTP: 256056 Requests, 124443 Hits ( 49%)
>
>
> i'm slightly concerned about the "filemap bits" but I've read it's
> supposed to automagically adjust itself.
> I'm still patiently waiting, patiently for that to happen.
>
> waitman
>

Amos

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