[squid-users] I want to verify why squid wont cache a specific object.

From: Eliezer Croitoru <eliezer_at_ngtech.co.il>
Date: Mon, 20 Aug 2012 01:10:30 +0300

I have been checking out about IMDB videos and it seems like the
original requests cannot be cached from an unknown reason.

the store log shows:
1345335832.436 RELEASE -1 FFFFFFFF B174D16A30640884673D882B55B3594C 200
1334135877 1302715098 -1 video/mp4 16586249/16586249 GET

and it means that the file cannot be cached by squid.
It's weird a bit because I did some tracking on the connection and
requests but dosnt seems to get the full picture of why it will not be

The video will be cached if i will do a regular request from a browser
wget or other means but not the original player.

The request is a simple GET with a full size response as stated in the
headers all fit the criteria of cachable object.

this is the response headers:
HTTP/1.1 200 OK
x-amz-id-2: blabla/AIBT0KwY/mC1f2mnZx0crlLcLUcdYqxt7
x-amz-request-id: E903CD06E96673AC
Date: Wed, 11 Apr 2012 09:17:57 GMT
Last-Modified: Wed, 13 Apr 2011 17:18:18 GMT
ETag: "c9164ada101ce1baad52740ec34b2027"
Accept-Ranges: bytes
Content-Type: video/mp4
Content-Length: 16586249
Server: AmazonS3
Age: 48065
X-Cache: Hit from cloudfront
X-Amz-Cf-Id: blabla_SZfHBxHjWxZvaw==
X-Cache: MISS from proxy1
X-Cache: MISS from proxy2
Via: 1.0 dd9f0ef9e10a3156b506f6324ccd2e2a.cloudfront.net (CloudFront),
1.1 proxy2 (squid/3.2.1), 1.1 proxy1 (squid/3.2.1)
Connection: keep-alive

I dont know what debug sections to even look at.
like is there a sections that shows the reason for an object to be a


Eliezer Croitoru
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il
Received on Sun Aug 19 2012 - 22:11:13 MDT

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