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Re: Caching in 3.2 vs 3.1 - solved ?

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Hi,

I tried setting a very permissive refresh_pattern - but squid still
refuses to cache.

Then I tried creating a small disk cache. In the real production environment
we use memory cache only.

cache_dir ufs   /tmp/3/cache 4 1 1

And now the objects gets cached !

[root@sesxsp01wintc 3]# cat access.log
1332337330.903      1 127.0.0.1 TCP_MISS/200 341 GET
http://127.0.0.1:9990/x - HIER_DIRECT/127.0.0.1 text/plain
1332337333.711      0 127.0.0.1 TCP_MEM_HIT/200 348 GET
http://127.0.0.1:9990/x - HIER_NONE/- text/plain

So earlier versions of squid support memory-cache only - 3.2 requires
a disk-cache.

-- erik


On Wed, Mar 21, 2012 at 12:58 PM, Erik Svensson <erik.xv@xxxxxxxxxxxxxx> wrote:
> Hi,
>
> I run the test again with debug_options set as Amos recommended.
> Here is the cache.log :
>
> 2012/03/21 12:37:44 kid1| Starting Squid Cache version 3.2.0.16 for
> i686-pc-linux-gnu...
> 2012/03/21 12:38:34.644 kid1| HTTP Client local=127.0.0.1:9993
> remote=127.0.0.1:42828 FD 10 flags=1
> 2012/03/21 12:38:34.644 kid1| HTTP Client REQUEST:
> ---------
> GET http://127.0.0.1:9990/x HTTP/1.1
> User-Agent: curl/7.12.1 (i386-redhat-linux-gnu) libcurl/7.12.1
> OpenSSL/0.9.7a zlib/1.2.1.2 libidn/0.5.6
> Host: 127.0.0.1:9990
> Accept: */*
>
>
> ----------
> 2012/03/21 12:38:34.645 kid1| HTTP Server local=127.0.0.1:42829
> remote=127.0.0.1:9990 FD 11 flags=1
> 2012/03/21 12:38:34.645 kid1| HTTP Server REQUEST:
> ---------
> GET /x HTTP/1.1
> User-Agent: curl/7.12.1 (i386-redhat-linux-gnu) libcurl/7.12.1
> OpenSSL/0.9.7a zlib/1.2.1.2 libidn/0.5.6
> Host: 127.0.0.1:9990
> Accept: */*
> Via: 1.1 localhost.localdomain (squid/3.2.0.16)
> X-Forwarded-For: 127.0.0.1
> Cache-Control: max-age=259200
> Connection: keep-alive
>
>
> ----------
> 2012/03/21 12:38:34.645 kid1| ctx: enter level  0: 'http://127.0.0.1:9990/x'
> 2012/03/21 12:38:34.645 kid1| HTTP Server local=127.0.0.1:42829
> remote=127.0.0.1:9990 FD 11 flags=1
> 2012/03/21 12:38:34.645 kid1| HTTP Server REPLY:
> ---------
> HTTP/1.1 200 OK
> Server: thttpd/2.25b 29dec2003
> Content-Type: text/plain; charset=iso-8859-1
> Date: Wed, 21 Mar 2012 11:38:34 GMT
> Last-Modified: Wed, 21 Mar 2012 11:36:44 GMT
> Accept-Ranges: bytes
> Connection: close
> Content-Length: 5
>
> HiHo
>
> ----------
> 2012/03/21 12:38:34.645 kid1| ctx: exit level  0
> 2012/03/21 12:38:34.645 kid1| HTTP Client local=127.0.0.1:9993
> remote=127.0.0.1:42828 FD 10 flags=1
> 2012/03/21 12:38:34.645 kid1| HTTP Client REPLY:
> ---------
> HTTP/1.1 200 OK
> Server: thttpd/2.25b 29dec2003
> Content-Type: text/plain; charset=iso-8859-1
> Date: Wed, 21 Mar 2012 11:38:34 GMT
> Last-Modified: Wed, 21 Mar 2012 11:36:44 GMT
> Accept-Ranges: bytes
> Content-Length: 5
> X-Cache: MISS from localhost.localdomain
> Via: 1.1 localhost.localdomain (squid/3.2.0.16)
> Connection: keep-alive
>
>
> ----------
> 2012/03/21 12:38:52.621 kid1| HTTP Client local=127.0.0.1:9993
> remote=127.0.0.1:43206 FD 10 flags=1
> 2012/03/21 12:38:52.621 kid1| HTTP Client REQUEST:
> ---------
> GET http://127.0.0.1:9990/x HTTP/1.1
> User-Agent: curl/7.12.1 (i386-redhat-linux-gnu) libcurl/7.12.1
> OpenSSL/0.9.7a zlib/1.2.1.2 libidn/0.5.6
> Host: 127.0.0.1:9990
> Accept: */*
>
>
> ----------
> 2012/03/21 12:38:52.621 kid1| HTTP Server local=127.0.0.1:43207
> remote=127.0.0.1:9990 FD 11 flags=1
> 2012/03/21 12:38:52.621 kid1| HTTP Server REQUEST:
> ---------
> GET /x HTTP/1.1
> User-Agent: curl/7.12.1 (i386-redhat-linux-gnu) libcurl/7.12.1
> OpenSSL/0.9.7a zlib/1.2.1.2 libidn/0.5.6
> Host: 127.0.0.1:9990
> Accept: */*
> Via: 1.1 localhost.localdomain (squid/3.2.0.16)
> X-Forwarded-For: 127.0.0.1
> Cache-Control: max-age=259200
> Connection: keep-alive
>
>
> ----------
> 2012/03/21 12:38:52.621 kid1| ctx: enter level  0: 'http://127.0.0.1:9990/x'
> 2012/03/21 12:38:52.622 kid1| HTTP Server local=127.0.0.1:43207
> remote=127.0.0.1:9990 FD 11 flags=1
> 2012/03/21 12:38:52.622 kid1| HTTP Server REPLY:
> ---------
> HTTP/1.1 200 OK
> Server: thttpd/2.25b 29dec2003
> Content-Type: text/plain; charset=iso-8859-1
> Date: Wed, 21 Mar 2012 11:38:52 GMT
> Last-Modified: Wed, 21 Mar 2012 11:36:44 GMT
> Accept-Ranges: bytes
> Connection: close
> Content-Length: 5
>
> HiHo
>
> ----------
> 2012/03/21 12:38:52.622 kid1| ctx: exit level  0
> 2012/03/21 12:38:52.622 kid1| HTTP Client local=127.0.0.1:9993
> remote=127.0.0.1:43206 FD 10 flags=1
> 2012/03/21 12:38:52.622 kid1| HTTP Client REPLY:
> ---------
> HTTP/1.1 200 OK
> Server: thttpd/2.25b 29dec2003
> Content-Type: text/plain; charset=iso-8859-1
> Date: Wed, 21 Mar 2012 11:38:52 GMT
> Last-Modified: Wed, 21 Mar 2012 11:36:44 GMT
> Accept-Ranges: bytes
> Content-Length: 5
> X-Cache: MISS from localhost.localdomain
> Via: 1.1 localhost.localdomain (squid/3.2.0.16)
> Connection: keep-alive
>
>
> ----------
>
> It doesn't say me very much, but I forward it to squid-users in any case.
>
> -- erik
>
> On Wed, Mar 14, 2012 at 10:47 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
>>
>> cc'ing to squid-dev where the people who might know reside....
>>
>>
>> Also, adding "debug_options 11,2" may show something useful in the HTTP flow
>> for 3.2.
>>
>> Amos
>>
>>
>> On 15.03.2012 05:59, Erik Svensson wrote:
>>>
>>> Hi,
>>>
>>> Objects don't get cached in Squid 3.2. Same transactions and config
>>> works in 3.1
>>>
>>> I will show my problem with a simple webserver listening on 127.0.0.1:9990
>>> and sending transactions from curl to a squid listening on 127.0.0.1:9993
>>>
>>> 3.1 logs first a MISS since the cache is empty and when repeating the
>>> transaction a HIT.
>>> 3.2 logs 2 MISSes
>>>
> [ Omitted some details - see original post for the rest ]
>>>
>>>
>>> To repeat : Squid 3.1 logs expected MISS + HIT while 3.2 logs MISS + MISS.
>>> Does anyone have any idea what I am missing here ?
>>>
>>> Regards,
>>> Erik Svensson



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