Re: [squid-users] Caching in 3.2 vs 3.1

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
>
> # /opt/squid-3.1.19/sbin/squid -v
> Squid Cache: Version 3.1.19
> configure options: '--prefix=/opt/squid-3.1.19' '--disable-wccp'
> '--disable-wccpv2' '--disable-ident-lookups' '--disable-ipv6'
> '--with-large-files' --with-squid=/usr/local/src/squid-3.1.19
> --enable-ltdl-convenience
>
> # /opt/squid-3.2.0.16/sbin/squid -v
> Squid Cache: Version 3.2.0.16
> configure options: '--prefix=/opt/squid-3.2.0.16' '--disable-wccp'
> '--disable-wccpv2' '--disable-ident-lookups' '--disable-ipv6'
> '--with-large-files' --enable-ltdl-convenience
>
> # cat 3.conf
> http_port 127.0.0.1:9993
> icp_port 0
> cache_mem 128 mb
> #cache_dir null /tmp
> access_log /tmp/3/access.log
> cache_log /tmp/3/cache.log
> pid_filename /tmp/3/squid.pid
> coredump_dir /tmp/3
> refresh_pattern . 0 20% 4320
> http_access allow all
> http_reply_access allow all
> shutdown_lifetime 2 seconds
>
> # thttpd -p 9990 -d /tmp # start thttpd webserver serving files in
> directory /tmp
>
> # echo HiHo >/tmp/x # Create a file to serve
>
>
> # /opt/squid-3.1.19/sbin/squid -f 3.conf
>
> # curl -v -H "Pragma:" -x 127.0.0.1:9993 http://127.0.0.1:9990/x
> * About to connect() to 127.0.0.1 port 9993
> * Trying 127.0.0.1... * connected
> * Connected to 127.0.0.1 (127.0.0.1) port 9993
>> 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: */*
>
> < HTTP/1.0 200 OK
> < Server: thttpd/2.25b 29dec2003
> < Content-Type: text/plain; charset=iso-8859-1
> < Date: Wed, 14 Mar 2012 15:49:39 GMT
> < Last-Modified: Wed, 14 Mar 2012 15:47:14 GMT
> < Accept-Ranges: bytes
> < Content-Length: 5
> < X-Cache: MISS from localhost.localdomain
> < Via: 1.0 localhost.localdomain (squid/3.1.19)
> * HTTP/1.0 connection set to keep alive!
> < Connection: keep-alive
> HiHo
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
>
> # curl -v -H "Pragma:" -x 127.0.0.1:9993 http://127.0.0.1:9990/x
> * About to connect() to 127.0.0.1 port 9993
> * Trying 127.0.0.1... * connected
> * Connected to 127.0.0.1 (127.0.0.1) port 9993
>> 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: */*
>
> < HTTP/1.0 200 OK
> < Server: thttpd/2.25b 29dec2003
> < Content-Type: text/plain; charset=iso-8859-1
> < Date: Wed, 14 Mar 2012 15:49:39 GMT
> < Last-Modified: Wed, 14 Mar 2012 15:47:14 GMT
> < Accept-Ranges: bytes
> < Content-Length: 5
> < Age: 8
> < X-Cache: HIT from localhost.localdomain
> < Via: 1.0 localhost.localdomain (squid/3.1.19)
> * HTTP/1.0 connection set to keep alive!
> < Connection: keep-alive
> HiHo
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
>
> # /opt/squid-3.1.19/sbin/squid -f 3.conf -k shutdown
>
> # cat access.log
> 1331740179.023 2 127.0.0.1 TCP_MISS/200 339 GET
> http://127.0.0.1:9990/x - DIRECT/127.0.0.1 text/plain
> 1331740187.003 0 127.0.0.1 TCP_MEM_HIT/200 346 GET
> http://127.0.0.1:9990/x - NONE/- text/plain
>
> # rm access.log
>
>
> # /opt/squid-3.2.0.16/sbin/squid -f 3.conf
>
> # curl -v -H "Pragma:" -x 127.0.0.1:9993 http://127.0.0.1:9990/x
> * About to connect() to 127.0.0.1 port 9993
> * Trying 127.0.0.1... * connected
> * Connected to 127.0.0.1 (127.0.0.1) port 9993
>> 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: */*
>
> < HTTP/1.1 200 OK
> < Server: thttpd/2.25b 29dec2003
> < Content-Type: text/plain; charset=iso-8859-1
> < Date: Wed, 14 Mar 2012 15:55:29 GMT
> < Last-Modified: Wed, 14 Mar 2012 15:47:14 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
> HiHo
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
>
> # curl -v -H "Pragma:" -x 127.0.0.1:9993 http://127.0.0.1:9990/x
> * About to connect() to 127.0.0.1 port 9993
> * Trying 127.0.0.1... * connected
> * Connected to 127.0.0.1 (127.0.0.1) port 9993
>> 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: */*
>
> < HTTP/1.1 200 OK
> < Server: thttpd/2.25b 29dec2003
> < Content-Type: text/plain; charset=iso-8859-1
> < Date: Wed, 14 Mar 2012 15:55:34 GMT
> < Last-Modified: Wed, 14 Mar 2012 15:47:14 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
> HiHo
> * Connection #0 to host 127.0.0.1 left intact
> * Closing connection #0
>
> # /opt/squid-3.2.0.16/sbin/squid -f 3.conf -k shutdown
>
> # cat access.log
> 1331740529.630 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
> 1331740534.093 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
>
>
> 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
Received on Wed Mar 14 2012 - 21:47:05 MDT