Re: [squid-users] Caching file using squid

From: Chris Robertson <crobertson_at_gci.net>
Date: Wed, 11 Feb 2009 10:25:47 -0900

snayit wrote:
> I managed to save the files from YouTube, it was the refresh_pattern problem,
> of course. Removed the acl thingy to save all of minimum_object_size 1M, and
> added refresh_pattern:
> refresh_pattern . 10080 990% 999999 override-expire override-lastmod ignore-
> no-cache ignore-private ignore-reload reload-into-ims
>
> And it does save the files from YouTube:
> 1234369228.093 SWAPOUT 00 000002DF C9634D246260758A945C786CC86F3965 200
> 1234368874 1206456375 1234372474 video/x-flv 3825405/3825405 GET
> http://v18.cache.googlevideo.com/videoplayback?
> id=9ef4f97317b081b0&itag=5&ip=209.88.189.17&region=0&signature=6D755B0185C07
> DADB662D2977EB53C9ABA72A7B9.6D5CE93C53957C9218471EC48589649C85DD111A&sver=2&
> expire=1234390473&key=yt1&ipbits=0
>
> But when i try another size with some HTTP-headers that seem problematic it
> does not cache:
> HTTP/1.1 200 OK
> Server: nginx/0.6.31
> Date: Wed, 11 Feb 2009 14:36:03 GMT
> Content-Type: image/gif
> Content-Length: 3407717
> Last-Modified: Sat, 04 Oct 2008 00:04:04 GMT
> Connection: keep-alive
> Cache-Control: no-cache, must-revalidate, no-store
>

You would need a "ignore-no-store" to override this. Sadly that option
does not appear to be available in 2.7.

> Accept-Ranges: bytes
>
>
> 1. I thought that the refresh pattern i made covers it all - did i neglect
> an option? If not, can it be the fact that i'm running the windows 2.7
> version and not the 3.0 (that is only stable for Linux)?
>
> 2. Is there a way to debug the squid in order to see why it does not cache -
> what prevents it from caching a certain file?
>

Guessing from http://wiki.squid-cache.org/KnowledgeBase/DebugSections,
"debug_options 22,3" would be a good start.

> Regards,
> Snayit
>

Chris
Received on Wed Feb 11 2009 - 19:21:45 MST

This archive was generated by hypermail 2.2.0 : Thu Feb 12 2009 - 12:00:02 MST