[squid-users] squid performance

Dear team,

I run a Squid Cache: Version 3.1.8. i have a problem when my
client_http.requests = is more than 200/sec. pages doesn't browse but
when the request are less than 200 i dont find any problem. i don't
see any errors in /etc/var/squid/cache.log. my file descriptors is
32768.

Please find my configuration below and do suggest me if i m any where
wrong in my configuration.

Thanks in advance.

my h/w details is as fallows:
CPU: 3.00 GHZ XEON processor
RAM: 8 GB
HDD: 148 GB * 2 SAS HDD

my ulimint -n = 32768

File descriptor usage for squid:
        Maximum number of file descriptors: 32768
        Largest file desc currently in use: 6064
        Number of file desc currently in use: 5656
        Files queued for open: 0
        Available number of file descriptors: 27112
        Reserved number of file descriptors: 100
        Store Disk files open: 119

my squid.conf:

########### Start of squid.conf #created by ANANTH#############
cache_effective_user squid
cache_effective_group squid

http_port 3128 transparent

# httpd_accel_host virtual
# httpd_accel_port 80
# httpd_accel_with_proxy on
# httpd_accel_uses_host_header on

# cache_dir aufs /var/spool/squid 16384 32 512
#--This has been inserted to check the cache--
#cache_dir ufs /var/spool/squid 16384 16 256
#cache_dir ufs /cache0/squid 16384 16 256
#cache_dir ufs /squid0/squid 16384 16 256
cache_dir aufs /squid1/squid 16384 32 512
#cache_dir /tmp null

cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log none
logfile_rotate 7
emulate_httpd_log on

cache_mem 3 GB
maximum_object_size_in_memory 256 KB
memory_replacement_policy lru
cache_replacement_policy lru
maximum_object_size 64 MB

hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY

hosts_file /etc/hosts

refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 40% 4320

##Define your network below

#acl mynetwork src 192.168.0.0/24
acl mynetwork src 192.168.106.0/24 # cbinetwork private
acl mynetwork src 192.168.107.0/24 # cbinetwork private
acl mynetwork src 192.168.110.0/24 # cbinetwork private
acl mynetwork src 192.168.120.0/24 # cbinetwork private
acl mynetwork src 192.168.121.0/24 # cbinetwork private
acl mynetwork src 192.168.130.0/24 # cbinetwork private
acl mynetwork src 192.168.150.0/24 # cbinetwork private
acl mynetwork src 192.168.151.0/24 # cbinetwork private
acl mynetwork src 192.168.160.0/24 # cbinetwork private
acl mynetwork src 10.100.101.0/24 # cbinetwork private
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl localhost src ::1/128
acl to_localhost dst 127.0.0.0/8
acl to_localhost dst ::1/128
acl purge method PURGE
acl CONNECT method CONNECT

acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https

acl Safe_ports port 1025-65535 #unregistered ports

acl SSL_ports port 443 563

http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports

http_access allow localhost
http_access allow mynetwork
# http_access deny all
http_reply_access allow all
icp_access allow mynetwork

# icp_access deny all

visible_hostname proxy.cbinet.bi

coredump_dir /squid1/squid

#
###############################################
Received on Fri Oct 22 2010 - 14:01:20 MDT