Greetings! I am running Squid 2.5 Stable 8 for RedHat Advanced Server 3 I am trying to optimize the speed / availability of the Proxy. I have just recently increased the number of Squid threads to 64 since clients were seeing error pages (which appears to be a limit as to the number connections available). I have 3 of these boxes. 2 are used as traffic cops (with SmartFilter), and then the third is in the DMZ with connectivity to the Internet (this is the caching machine with no SmartFilter). I would be interested in any recommendations: Red Hat Enterprise Linux AS release 3 (Taroon Update 3) KERNEL: Linux 2.4.21-20.ELsmp #1 SMP Wed Aug 18 20:46:40 EDT 2004 i686 i686 i386 GNU/Linux I have around 15,000+ clients. My proxy machines are outfitted as such: Dell DL380 [3082484 kB Memory, (2) 2.8GHZ Pentium 4 CPU, (3) 36GB 15K Disks for Squid Cache (320 MB/s tranfer rate) OS is on its own 36GB disk] Squid compiled with the following options: ulimit -HSn 8192 CFLAGS -O2 -march=i686 -funroll-loops -DNUMTHREADS=64 -DSMARTFILTER -DUNIX -D_REENTRANT -D_REENTRANT CPPFLAGS -O2 -march=i686 -funroll-loops ./configure --prefix=/opt/squid --enable-smartfilter --localstatedir=/var --enable-poll --enable-snmp --enable-removal-policies=heap,lru --enable-storeio=aufs,coss,diskd,null,ufs --enable-async-io --with-aufs-threads=48 --enable-delay-pools --enable-linux-netfilter --with-pthreads --enable-basic-auth-helpers=LDAP,NCSA,SMB,MSNT,winbind --enable-ntlm-auth-helpers=SMB,winbind,fakeauth --enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group,winbind_group --enable-auth=basic,ntlm --enable-useragent-log --enable-referer-log --enable-gnuregex My squid.conf consists of: http_port 80 http_port 8080 hierarchy_stoplist cgi-bin ? acl QUERY urlpath_regex cgi-bin \? no_cache deny QUERY ftp_user webmaster@xxxxxx hosts_file /etc/hosts auth_param basic children 5 auth_param basic realm Squid proxy-caching web server auth_param basic credentialsttl 2 hours refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern . 0 20% 4320 acl all src 0.0.0.0/0.0.0.0 acl manager proto cache_object acl localhost src 127.0.0.1/255.255.255.255 acl to_localhost dst 127.0.0.0/8 acl SSL_ports port 443 563 acl Safe_ports port 6667 acl Safe_ports port 5050 acl Safe_ports port 5190 acl CONNECT method CONNECT http_access allow all http_access allow manager localhost http_access deny manager acl our_networks src 3.x.x.0/24 3.x.x.0/24 3.x.x.0/24 http_access allow our_networks no_cache deny our_networks http_access deny all http_reply_access allow all icp_access allow all forwarded_for off coredump_dir /opt/squid/var/cache cache_effective_user squid cache_effective_group squid cache_mgr webservices@xxxxxxx visible_hostname http-proxy.penske.com smartfilter_state off positive_dns_ttl 10 minute cache_dir aufs /cache1/cachedir1 10000 16 256 cache_dir aufs /cache2/cachedir1 10000 16 256 cache_dir aufs /cache3/cachedir1 10000 16 256 cache_dir aufs /cache1/cachedir2 7000 16 256 cache_dir aufs /cache2/cachedir2 7000 16 256 cache_dir aufs /cache3/cachedir3 70000 16 256 cache_dir aufs /cache1/cachedir3 7000 16 256 cache_dir aufs /cache2/cachedir3 7000 16 256 cache_dir aufs /cache3/cachedir3 7000 16 256 acl snmppublic snmp_community xxx snmp_port 3401 snmp_access allow snmppublic all acl PURGE method PURGE http_access allow PURGE localhost http_access deny PURGE cache_access_log none cache_store_log none ----------- Thanks! Mitchell Lewars
