varnish缓存安装使用
2024-10-01 22:48:12
varnish PDF http://files.cnblogs.com/jimingsong/varnish.pdf
目前介绍CentOS6.4-64位系统 yum安装varnish:
配置varnish yum源, vim /etc/yum.repos.d/varnish.repo 添加如下内容保存
[varnish-3.0] name=Varnish 3.0 for Enterprise Linux el6 - $basearch baseurl=http://repo.varnish-cache.org/redhat/varnish-3.0/el6/$basearch enabled=1 gpgcheck=0 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-VARNISH
更新本地yum源
yum clean all yum repolist
安装varnish3 - varnish3.0.5(目前稳定版)
yum -y install varnish
文件介绍
/etc/init.d/varnish 启动脚本 - 默认不需要修改
/etc/varnish/default.vcl
###########后台代理服务器######## backend server_image { .host = "10.20.20.30"; .port = "8081"; } sub vcl_recv { ###########Image域######## if (req.http.host ~ "^image.zcyun.cn") { set req.backend = server_image; if (req.request != "GET" && req.request != "HEAD") { return(pipe); } else { return(lookup); } } ###########Image域########## else { error 404 "Sorry,Your request no found"; return(lookup); } } sub vcl_fetch { set beresp.grace = 5m; if (beresp.status == 404 || beresp.status == 503 || beresp.status == 500) { set beresp.http.X-Cacheable = "NO: beresp.status"; set beresp.http.X-Cacheable-status = beresp.status; return (hit_for_pass); } if (req.request == "GET" && req.url ~ "(?i)\.php($|\?)"){ return (hit_for_pass); } if (req.request == "GET" && req.url ~ "(?i)\.ashx($|\?)"){ return (hit_for_pass); } if (req.url ~ "\.(php|shtml|asp|aspx|jsp|js|ashx)$") { return (hit_for_pass); } if (req.url ~ "\.(js|css|jpg|jpeg|png|gif|gz|tgz|bz2|tbz|mp3|ogg|swf).*$") { set req.http.x-host = req.http.host; set req.http.x-url = req.url; set req.http.host = "image.xxxxx.cn"; set req.url = regsub(req.url, "\?.*", ""); set beresp.ttl = 7d; unset beresp.http.set-cookie; } if (beresp.ttl <= 0s) { set beresp.http.X-Cacheable = "NO: !beresp.cacheable"; return (hit_for_pass); } else { unset beresp.http.expires; } if (req.url ~ "(.js|.css)$") { set beresp.ttl = 10m; } return (deliver); } sub vcl_deliver { if (resp.http.magicmarker) { unset resp.http.magicmarker; set resp.http.age = "0"; } # add cache hit data if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; set resp.http.X-Cache-Hits = obj.hits; } else { set resp.http.X-Cache = "MISS"; } # hidden some sensitive http header returning to client, when the cache server received from backend server response remove resp.http.X-Varnish; remove resp.http.Via; remove resp.http.Age; remove resp.http.X-Powered-By; remove resp.http.X-Drupal-Cache; return (deliver); } sub vcl_error { if (obj.status == 503 && req.restarts < 5) { set obj.http.X-Restarts = req.restarts; return (restart); } } sub vcl_hit { if (req.http.Cache-Control ~ "no-cache") { if (! (req.http.Via || req.http.User-Agent ~ "bot|MSIE")) { set obj.ttl = 0s; return (restart); } } return(deliver); }
/etc/sysconfig/varnish
NFILES=131072 MEMLOCK=82000 RELOAD_VCL=1 VARNISH_VCL_CONF=/etc/varnish/default.vcl VARNISH_LISTEN_PORT=80 VARNISH_ADMIN_LISTEN_ADDRESS=0.0.0.0 VARNISH_ADMIN_LISTEN_PORT=6082 VARNISH_MIN_THREADS=1 VARNISH_MAX_THREADS=5000 VARNISH_THREAD_TIMEOUT=120 VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin VARNISH_STORAGE_SIZE=4G #KINEPOLIS_VARNISH_STORAGE="file,/var/lib/varnish/varnish_storage.bin,4G" KINEPOLIS_VARNISH_STORAGE="malloc,10240m" KINEPOLIS_CONNECT_TIMEOUT="connect_timeout=600" VARNISH_TTL=900 DAEMON_OPTS="-a ${VARNISH_LISTEN_ADDRESS}:${VARNISH_LISTEN_PORT} \ -f ${VARNISH_VCL_CONF} \ -T ${VARNISH_ADMIN_LISTEN_ADDRESS}:${VARNISH_ADMIN_LISTEN_PORT} \ -t ${VARNISH_TTL} \ -w ${VARNISH_MIN_THREADS},${VARNISH_MAX_THREADS},${VARNISH_THREAD_TIMEOUT} \ -u varnish -g varnish \ -s ${KINEPOLIS_VARNISH_STORAGE} \ -p ${KINEPOLIS_CONNECT_TIMEOUT} \ -p sess_workspace=262144 \ -p thread_pools=2 \ -p thread_pool_min=200 \ -p thread_pool_max=5000 \ -p thread_pool_add_delay=2 \ -p http_req_size=131072 \ -p http_req_hdr_len=49152 "
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