squid3(高命中率)缓存服务器配置

今天对我的varnish进行了下小小的压力测试,40s里的8000并发,没有失败一个,估计还可以承受更大的并发,先不说varnish了,我最近找到个命中率很高的squid的配置文件,当然是squid3.0的配置文件,有需要的可以copy回去自己改.
系统:centos 5.x
需要的软件:squid-3.0.STABLE25.tar.gz
1.下载squid
wget http://www.squid-cache.org/Versions/v3/3.0/squid-3.0.STABLE25.tar.gz
tar zxf squid-3.0.STABLE25.tar.gz && cd squid-3.0.STABLE25

2.编译squid

			
							01
						
							./configure --prefix=/usr/local/squid \ 
					
							02
						
							--enable-async-io=100 \ 
					
							03
						
							--with-pthreads \ 
					
							04
						
							--enable-storeio="aufs,diskd,ufs" \ 
					
							05
						
							--enable-removal-policies="heap,lru" \ 
					
							06
						
							--enable-icmp \ 
					
							07
						
							--enable-delay-pools \ 
					
							08
						
							--enable-useragent-log \ 
					
							09
						
							--enable-referer-log \ 
					
							10
						
							--enable-kill-parent-hack \ 
					
							11
						
							--enable-arp-acl \ 
					
							12
						
							--enable-default-err-language=Simplify_Chinese \ 
					
							13
						
							--enable-err-languages="Simplify_Chinese English" \ 
					
							14
						
							--disable-poll \ 
					
							15
						
							--disable-wccp \ 
					
							16
						
							--disable-wccpv2 \ 
					
							17
						
							--disable-ident-lookups \ 
					
							18
						
							--disable-internal-dns \ 
					
							19
						
							--enable-basic-auth-helpers="NCSA" \ 
					
							20
						
							--enable-stacktrace \ 
					
							21
						
							--with-large-files \ 
					
							22
						
							--disable-mempools \ 
					
							23
						
							--with-filedescriptors=65536 \ 
					
							24
						
							--enable-ssl \ 
					
							25
						
							--enable-x-accelerator-var 
					
							26
						
							27
						
							make
					
							28
						
							make install
					
							29
						
							make install-pinger

3.配置squid
cp /usr/local/squid/etc/squid.conf /usr/local/squid/etc/squid.conf.old
>/usr/local/squid/etc/squid.conf
ln -s /usr/local/squid/etc/squid.conf /etc/squid.conf

squid.conf里的内容:

			
							001
						
							#accel listen port 
					
							002
						
							http_port 80 accel vhost vport 
					
							003
						
							#accel domain 
					
							004
						
							cache_peer xx.xx.xx.xx parent 80 0 no-query originserver no-digest name=a 
					
							005
						
							cache_peer_domain a blog.slogra.com 
					
							006
						
							007
						
							#acl 
					
							008
						
							acl manager proto cache_object 
					
							009
						
							acl localhost src 127.0.0.1/255.255.255.255 
					
							010
						
							acl SSL_ports port 443 563 
					
							011
						
							acl Safe_ports port 80       # http 
					
							012
						
							acl Safe_ports port 8080 
					
							013
						
							acl LanSrc src all 
					
							014
						
							acl LanDst dst all 
					
							015
						
							acl LanDstDM dstdomain blog.slogra.com 
					
							016
						
							017
						
							acl CONNECT method CONNECT 
					
							018
						
							http_access allow manager localhost 
					
							019
						
							http_access deny manager 
					
							020
						
							http_access deny !Safe_ports 
					
							021
						
							http_access deny CONNECT !SSL_ports 
					
							022
						
							http_access allow LanSrc 
					
							023
						
							http_access allow LanDst 
					
							024
						
							http_access allow LanDstDM 
					
							025
						
							http_access deny   all 
					
							026
						
							027
						
							#base 
					
							028
						
							visible_hostname blog.slogra.com 
					
							029
						
							cache_mgr rocdk890@gmail.com 
					
							030
						
							cache_effective_user squid 
					
							031
						
							cache_effective_group squid 
					
							032
						
							033
						
							error_directory /usr/local/squid/share/errors/Simplify_Chinese 
					
							034
						
							icon_directory /usr/local/squid/share/icons 
					
							035
						
							mime_table /usr/local/squid/etc/mime.conf 
					
							036
						
							037
						
							cache_replacement_policy lru 
					
							038
						
							#cache_dir 
					
							039
						
							cache_dir aufs /var/cache1 32768 64 64 
					
							040
						
							cache_dir aufs /var/cache2 32768 64 64 
					
							041
						
							cache_mem 2048 MB 
					
							042
						
							max_open_disk_fds 0 
					
							043
						
							#maximum_object_size 512 KB 
					
							044
						
							#maximum_object_size_in_memory 256 KB 
					
							045
						
							maximum_object_size 20 MB 
					
							046
						
							maximum_object_size_in_memory 8 MB 
					
							047
						
							048
						
							#keepalived 
					
							049
						
							client_persistent_connections off 
					
							050
						
							server_persistent_connections on 
					
							051
						
							#persistent_request_timeout 60 seconds 
					
							052
						
							053
						
							#memory_pools on 
					
							054
						
							#memory_pools_limit 64 MB 
					
							055
						
							056
						
							forwarded_for on 
					
							057
						
							log_icp_queries off 
					
							058
						
							059
						
							via off 
					
							060
						
							httpd_suppress_version_string off 
					
							061
						
							062
						
							ie_refresh off 
					
							063
						
							tcp_recv_bufsize 32 KB 
					
							064
						
							065
						
							#acl webservices rep_header Server -i ^linuxtoneWS ^Apache ^nginx 
					
							066
						
							#broken_vary_encoding allow webservices 
					
							067
						
							068
						
							#hidden the squid header 
					
							069
						
							#reply_header_access Server deny all 
					
							070
						
							#reply_header_access X-Cache deny all 
					
							071
						
							#reply_header_access Warning deny all 
					
							072
						
							#reply_header_access Expires deny all 
					
							073
						
							#reply_header_access Cache-Control deny all 
					
							074
						
							#reply_header_access age deny all 
					
							075
						
							#reply_header_access All deny all 
					
							076
						
							077
						
							ipcache_size 1024 
					
							078
						
							ipcache_low 90 
					
							079
						
							ipcache_high 95 
					
							080
						
							081
						
							memory_replacement_policy lru 
					
							082
						
							083
						
							hosts_file /etc/hosts 
					
							084
						
							request_header_max_size 128 KB 
					
							085
						
							086
						
							#deny cache 
					
							087
						
							hierarchy_stoplist cgi-bin ? \.php 
					
							088
						
							acl QUERY urlpath_regex cgi-bin\? \.php 
					
							089
						
							cache deny QUERY 
					
							090
						
							091
						
							#request_body_max_size 0 KB 
					
							092
						
							093
						
							refresh_pattern ^ftp:           60      20%     10080 
					
							094
						
							refresh_pattern ^gopher:        60      0%      1440 
					
							095
						
							refresh_pattern .               0       20%     1440 
					
							096
						
							refresh_pattern -i \.css$       360    50%     2880    reload-into-ims 
					
							097
						
							refresh_pattern -i \.js$        1440    50%     2880    reload-into-ims 
					
							098
						
							refresh_pattern -i \.html$        720   50%     1440    reload-into-ims 
					
							099
						
							refresh_pattern -i \.jpg$       1440    90%     2880    ignore-reload 
					
							100
						
							refresh_pattern -i \.gif$       1440    90%     2880    ignore-reload 
					
							101
						
							refresh_pattern -i \.swf$       1440    90%     2880    ignore-reload 
					
							102
						
							refresh_pattern -i \.jpg$       1440      50%     2880    ignore-reload 
					
							103
						
							refresh_pattern -i \.png$       1440      50%     2880      ignore-reload 
					
							104
						
							refresh_pattern -i \.bmp$       1440      50%     2880      ignore-reload 
					
							105
						
							106
						
							refresh_pattern -i \.doc$ 1440    50%     2880      ignore-reload 
					
							107
						
							refresh_pattern -i \.ppt$ 1440    50%     2880      ignore-reload 
					
							108
						
							refresh_pattern -i \.xls$ 1440    50%     2880      ignore-reload 
					
							109
						
							refresh_pattern -i \.pdf$ 1440    50%     2880      ignore-reload 
					
							110
						
							refresh_pattern -i \.rar$       1440    50%     2880      ignore-reload 
					
							111
						
							refresh_pattern -i \.zip$ 1440    50%     2880      ignore-reload 
					
							112
						
							refresh_pattern -i \.txt$ 1440    50%     2880      ignore-reload 
					
							113
						
							114
						
							quick_abort_min 20 KB 
					
							115
						
							quick_abort_max 20 KB 
					
							116
						
							quick_abort_pct 95 
					
							117
						
							118
						
							connect_timeout 1 minute 
					
							119
						
							negative_ttl 0 minutes 
					
							120
						
							read_timeout 30 seconds 
					
							121
						
							pconn_timeout 120 seconds 
					
							122
						
							shutdown_lifetime 5 seconds 
					
							123
						
							strip_query_terms off 
					
							124
						
							125
						
							#snmp 
					
							126
						
							#snmp_port 3401 
					
							127
						
							#acl snmppublic snmp_orgmunity snsimg 
					
							128
						
							#snmp_access allow snmppublic localhost 
					
							129
						
							#snmp_access deny all 
					
							130
						
							131
						
							icp_port 0 
					
							132
						
							133
						
							# logfile 
					
							134
						
							emulate_httpd_log on 
					
							135
						
							#logformat combined %{X-Forwarded-For}>h %ui %un [%tl] “%rm %ru HTTP/%rv” %Hs %<st “%{Referer}>h” “%{User-Agent}>h” %Ss:%Sh 
					
							136
						
							#access_log none 
					
							137
						
							#access_log /data/logs/access.log combined 
					
							138
						
							logformat squid  %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt 
					
							139
						
							access_log /var/log/squid/access.log squid 
					
							140
						
							#cache_store_log /var/log/squid/store.log 
					
							141
						
							cache_store_log /dev/null 
					
							142
						
							cache_log /var/log/squid/cache.log 
					
							143
						
							logfile_rotate 12 
					
							144
						
							145
						
							# MISCELLANEOUS 
					
							146
						
							store_objects_per_bucket 15 
					
							147
						
							client_db off

4.创建目录
/usr/sbin/groupadd squid
/usr/sbin/useradd -g squid squid
mkdir -p /var/log/squid
chown -R squid:squid /var/log/squid
mkdir -p /var/{cache1,cache2}
chown -R squid:squid /var/{cache1,cache2}

初始化squid的cache目录
/usr/local/squid/sbin/squid -z

启动squid
/usr/local/squid/sbin/squid -D
如果大家不喜欢这样的启动方式,可以自己去找个squid的启动脚本,这里就不放出了.当squid运行起来了之后,大家可以使用下面这个命令来查看命中率:
/usr/local/squid/bin/squidclient -p 80 mgr:info

好了,具体其他squid的使用命令就只能你们自己去搜了,就到这里了.

(责任编辑：IT)

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squid3(高命中率)缓存服务器配置