[squid-users] TCP_MISS in images

[Ulises Nicolini]

Hello,

I have a basic squid 3.5 configuration with

maximum_object_size_in_memory 64 KB
maximum_object_size 100000 KB
minimum_object_size 512 bytes

refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 1440 90% 10080 
override-expire ignore-no-cache ignore-private
refresh_pattern -i (/cgi-bin/)                  0       0%      0
refresh_pattern .                                       0 20%     4320


cache_dir rock  /cache1/rock1 256  min-size=500 max-size=32767 
max-swap-rate=250 swap-timeout=350
cache_dir diskd /cache2/diskd1 1000 16 256 min-size=32768 max-size=1048576
cache_dir diskd /cache2/diskd2 100000 16 256 min-size=1048576


But when I test it against my webserver, using only one client PC, the 
only thing I get are TCP_MISSes of my images.

1437664284.339     11 192.168.2.103 TCP_MISS/200 132417 GET 
http://test-server.com/images/imagen3.jpg - HIER_DIRECT/192.168.2.10 
image/jpeg
1437664549.753      5 192.168.2.103 TCP_MISS/200 53933 GET 
http://test-server.com/images/imagen1.gif - HIER_DIRECT/192.168.2.10 
image/gif
1437665917.469     18 192.168.2.103 TCP_MISS/200 8319 GET 
http://test-server.com/images/icono.png - HIER_DIRECT/192.168.2.10 image/png

The response headers don't have Vary tags or any other that may impede 
caching

Accept-Ranges    bytes
Connection    close
Content-Length    53644
Content-Type    image/gif
Date    Thu, 23 Jul 2015 15:56:07 GMT
Etag    "e548d4-d18c-51b504b95dec0"
Last-Modified    Mon, 20 Jul 2015 15:36:03 GMT
Server    Apache/2.2.22 (EL)




Is it necessary a certain amount of requests of a single object to be 
cached (mem o disk) or am I facing some other problem here?
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