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From "Muhammad Faisal" <faisalu...@yahoo.com>
Subject Re: No caching of Octet Stream from Filehippo
Date Wed, 30 Mar 2016 20:22:09 GMT
Ho to handle this situation to ensure object is delivered from cache 
when different URL corresponds to same object? Due to this behavior of 
many sites the cache hit ratio is very low 3 to 4% only.
--
Regards,
Faisal.



------ Original Message ------
From: "Muhammad Faisal" <faisalusuf@yahoo.com>
To: users@trafficserver.apache.org; users@trafficserver.apache.org
Sent: 3/31/2016 1:13:50 AM
Subject: Re: No caching of Octet Stream from Filehippo

>The content is being cached but everytime when im attempting to 
>download the same file the origin is responding with a different URL 
>everytime. The previously downloaded URL is cached properly:
>
>459368207.221 22871 119.73.7.11 ERR_CLIENT_ABORT/200 3774362 GET 
>http://fs37.filehippo.com/1697/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe 
>- DIRECT/fs37.filehippo.com application/octet-stream
>1459368253.311 41029 119.73.7.11 ERR_CLIENT_ABORT/200 6541785 GET 
>http://fs37.filehippo.com/1697/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe 
>- DIRECT/fs37.filehippo.com application/octet-stream
>1459368256.659 17 119.73.7.11 TCP_HIT/206 312 GET 
>http://fs35.filehippo.com/6294/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe 
>- NONE/- application/octet-stream
>First Time:
>1459368105.128 272889 119.73.7.11 TCP_MISS/200 31367371 GET 
>http://fs35.filehippo.com/6294/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe 
>- DIRECT/fs35.filehippo.com application/octet-stream
>Second Attempt on direct URL:
>1459368350.531 93590 119.73.7.11 TCP_HIT/206 31364779 GET 
>http://fs35.filehippo.com/6294/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe 
>- NONE/- application/octet-stream
>Difference in URL for the same file/object:
>
>GET 
>http://fs37.filehippo.com/1697/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe
>
>http://fs35.filehippo.com/6294/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe
>
>--
>Regards,
>Faisal.
>
>
>
>------ Original Message ------
>From: "Reindl Harald" <h.reindl@thelounge.net>
>To: users@trafficserver.apache.org
>Sent: 3/31/2016 12:50:36 AM
>Subject: Re: No caching of Octet Stream from Filehippo
>
>>
>>
>>Am 30.03.2016 um 21:42 schrieb Muhammad Faisal:
>>>Here is the output of CURL, I have included origin headers in my
>>>original email
>>>
>>>[root@wc01 /]# curl --head
>>>http://fs37.filehippo.com/9546/46cfd241f1da4ae9812f512f7b36643c/vlc-2.2.2-win64.exe
>>>
>>>HTTP/1.1 200 OK
>>>Content-Length: 90
>>>Content-Type: text/html
>>>Last-Modified: Fri, 17 Apr 2015 06:33:53 GMT
>>>Accept-Ranges: bytes
>>>ETag: "b4357379d878d01:0"
>>>Server: Microsoft-IIS/7.5
>>>Date: Wed, 30 Mar 2016 19:41:14 GMT
>>
>>"It seems the object caching is not happening even if "Last Modified"
>>a proper origin would send cache-control headers
>>
>>but are ypu *really* sure it's not cached?
>>
>>what does the same curl-request against the proxy show with at least 
>>two requests - see the growing ATS-"Age" header below
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://local.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:46:29 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:47:29 GMT
>>Connection: close
>>Content-Type: image/gif
>>_____________________________
>>
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://www.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:49:38 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:50:38 GMT
>>Content-Type: image/gif
>>Age: 0
>>Connection: keep-alive
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://www.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:49:38 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:50:38 GMT
>>Content-Type: image/gif
>>Age: 1
>>Connection: keep-alive
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://www.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:49:38 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:50:38 GMT
>>Content-Type: image/gif
>>Age: 2
>>Connection: keep-alive
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://www.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:49:38 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:50:38 GMT
>>Content-Type: image/gif
>>Age: 3
>>Connection: keep-alive
>>
>>[harry@srv-rhsoft:~]$ curl --head 
>>http://www.rhsoft.net/images/pixel.gif
>>HTTP/1.1 200 OK
>>Date: Wed, 30 Mar 2016 19:49:38 GMT
>>X-Content-Type-Options: nosniff
>>Last-Modified: Wed, 28 May 2014 11:42:20 GMT
>>ETag: "2b-4fa744e151f00"
>>Accept-Ranges: bytes
>>Content-Length: 43
>>Cache-Control: max-age=60
>>Expires: Wed, 30 Mar 2016 19:50:38 GMT
>>Content-Type: image/gif
>>Age: 4
>>Connection: keep-alive
>>
>>
>


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