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too much TCP_MISS

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Hi All,

I setup squid on centos 6 for cache gain purpose and for that i
configured squid.I am not having any problem while installing and
configuring squid on Linux.

But when i try to check caching is happening or not or checking
traffic in access.log i can see too many TCP_MISS tags.

Even for testing , i try to open same url for 2-3 times , but all time
same  , i can see TCP_MISS only for all requests from that site.
-------------------------------------------------------------------------------------------
squid.conf:

#
# Recommended minimum configuration:
#
acl manager proto cache_object
acl localhost src 127.0.0.1/32 ::1
acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1

# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.0.0.0/8	# RFC1918 possible internal network
acl localnet src 172.16.0.0/12	# RFC1918 possible internal network
acl localnet src 192.168.0.0/16	# RFC1918 possible internal network
acl localnet src fc00::/7       # RFC 4193 local private network range
acl localnet src fe80::/10      # RFC 4291 link-local (directly
plugged) machines

acl SSL_ports port 443
acl Safe_ports port 80		# http
acl Safe_ports port 21		# ftp
acl Safe_ports port 443		# https
acl Safe_ports port 70		# gopher
acl Safe_ports port 210		# wais
acl Safe_ports port 1025-65535	# unregistered ports
acl Safe_ports port 280		# http-mgmt
acl Safe_ports port 488		# gss-http
acl Safe_ports port 591		# filemaker
acl Safe_ports port 777		# multiling http
acl CONNECT method CONNECT
acl mynetwork src '/etc/squid/mynetwork'
acl youtube dstdomain .youtube.com
cache allow youtube

#
# Recommended minimum Access Permission configuration:
#
# Only allow cachemgr access from localhost
http_access allow manager localhost
http_access deny manager

# Deny requests to certain unsafe ports
http_access deny !Safe_ports

# Deny CONNECT to other than secure SSL ports
http_access deny CONNECT !SSL_ports

# We strongly recommend the following be uncommented to protect innocent
# web applications running on the proxy server who think the only
# one who can access services on "localhost" is a local user
#http_access deny to_localhost

#
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
#

# Example rule allowing access from your local networks.
# Adapt localnet in the ACL section to list your (internal) IP networks
# from where browsing should be allowed
http_access allow mynetwork
http_access allow localhost

# And finally deny all other access to this proxy
http_access deny all

# Squid normally listens to port 3128
http_port 3128
http_port 3129 intercept
# We recommend you to use at least the following line.
hierarchy_stoplist cgi-bin ?

# Uncomment and adjust the following to add a disk cache directory.
cache_dir aufs /CACHE 307200 64 512

# Leave coredumps in the first cache dir
coredump_dir /CACHE



refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 10080 90% 43200
override-expire ignore-no-cache ignore-no-store ignore-private
refresh_pattern -i \.(iso|avi|wav|mp3|mp4|mpeg|swf|flv|x-flv)$ 43200
90% 432000 override-expire ignore-no-cache ignore-no-store
ignore-private
refresh_pattern -i
\.(deb|rpm|exe|zip|tar|tgz|ram|rar|bin|ppt|doc|tiff)$ 10080 90% 43200
override-expire ignore-no-cache ignore-no-store ignore-private
refresh_pattern -i \.index.(html|htm)$ 0 40% 10080
refresh_pattern -i \.(html|htm|css|js)$ 1440 40% 40320
refresh_pattern -i \.flv$ 10080 90% 999999 ignore-no-cache
override-expire ignore-private
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern . 0 40% 40320


cache_mem 2000 MB
httpd_suppress_version_string on
via off

maximum_object_size_in_memory 40 KB
maximum_object_size 4194304 KB

#maximum_object_size 65536 KB
cache_swap_low 96
cache_swap_high 97
memory_replacement_policy lru
cache_replacement_policy heap LFUDA

quick_abort_min 1024 KB
quick_abort_max 2045 KB
quick_abort_pct 90
positive_dns_ttl 8 hours
negative_dns_ttl 0
ipcache_size 20000
ipcache_low 95
ipcache_high 97
fqdncache_size 12000
cache_store_log /var/log/squid/store.log
pipeline_prefetch on

--------------------------------------------------------------------------------------------------------------------

I can only see TCP_MISS.

What could be the reason ?

Is there any misconfiguration or ?

Please guide me to resolve this problem.

squid version: 3.1.8
centos 6 64 bit
kernel version: 2.6.32-71.el6.x86_64


Regards,
Benjamin Fernandis


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