{"id":826,"date":"2011-07-14T17:56:40","date_gmt":"2011-07-14T09:56:40","guid":{"rendered":"http:\/\/www.strongd.net\/?p=826"},"modified":"2011-07-14T17:56:40","modified_gmt":"2011-07-14T09:56:40","slug":"%e4%bd%bf%e7%94%a8varnish%e4%bb%a3%e6%9b%bfsquid%e5%81%9a%e7%bd%91%e7%ab%99%e7%bc%93%e5%ad%98%e5%8a%a0%e9%80%9f%e5%99%a8%e7%9a%84%e8%af%a6%e7%bb%86%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=826","title":{"rendered":"\u4f7f\u7528Varnish\u4ee3\u66ffSquid\u505a\u7f51\u7ad9\u7f13\u5b58\u52a0\u901f\u5668\u7684\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"

\u4eca\u5929\u5199\u7684\u8fd9\u7bc7\u5173\u4e8eVarnish\u7684\u6587\u7ae0\uff0c\u5df2\u7ecf\u662f\u4e00\u7bc7\u53ef\u4ee5\u5b8c\u5168\u66ff\u4ee3Squid\u505a\u7f51\u7ad9\u7f13\u5b58\u52a0\u901f\u5668\u7684\u8be6\u7ec6\u89e3\u51b3\u65b9\u6848\u4e86\u3002\u7f51\u4e0a\u5173\u4e8eVarnish\u7684\u8d44\u6599\u5f88\u5c11\uff0c\u4e2d\u6587\u8d44\u6599\u66f4\u662f\u5fae\u4e4e\u5176\u5fae\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5438\u5f15\u66f4\u591a\u7684\u4eba\u7814\u7a76\u3001\u4f7f\u7528Varnish\u3002
\n\u5728\u6211\u770b\u6765\uff0c\u4f7f\u7528Varnish\u4ee3\u66ffSquid\u7684\u7406\u7531\u6709\u4e09\u70b9\uff1a<\/strong>
\n1\u3001Varnish\u91c7\u7528\u4e86\u201cVisual Page Cache\u201d\u6280\u672f\uff0c\u5728\u5185\u5b58\u7684\u5229\u7528\u4e0a\uff0cVarnish\u6bd4Squid\u5177\u6709\u4f18\u52bf\uff0c\u5b83\u907f\u514d\u4e86Squid\u9891\u7e41\u5728\u5185\u5b58\u3001\u78c1\u76d8\u4e2d\u4ea4\u6362\u6587\u4ef6\uff0c\u6027\u80fd\u8981\u6bd4Squid\u9ad8\u3002
\n2\u3001Varnish\u7684\u7a33\u5b9a\u6027\u8fd8\u4e0d\u9519\uff0c\u6211\u7ba1\u7406\u7684\u4e00\u53f0\u56fe\u7247\u670d\u52a1\u5668\u8fd0\u884cVarnish\u5df2\u7ecf\u6709\u4e00\u4e2a\u6708\uff0c\u6ca1\u6709\u53d1\u751f\u8fc7\u6545\u969c\uff0c\u800c\u8fdb\u884c\u76f8\u540c\u5de5\u4f5c\u7684Squid\u670d\u52a1\u5668\u5c31\u5012\u8fc7\u51e0\u6b21\u3002
\n3\u3001\u901a\u8fc7Varnish\u7ba1\u7406\u7aef\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5feb\u901f\u3001\u6279\u91cf\u5730\u6e05\u9664\u90e8\u5206\u7f13\u5b58\uff0c\u8fd9\u4e00\u70b9\u662fSquid\u4e0d\u80fd\u5177\u5907\u7684\u3002<\/p>\n

\"\u70b9\u51fb\u5728\u65b0\u7a97\u53e3\u4e2d\u6d4f\u89c8\u6b64\u56fe\u7247\"<\/a><\/p>\n

\n

\u4e0b\u9762\u6765\u5b89\u88c5Varnish\u7f51\u7ad9\u7f13\u5b58\u52a0\u901f\u5668\uff08Linux\u7cfb\u7edf\uff09\uff1a<\/strong>
\n1\u3001\u521b\u5efawww\u7528\u6237\u548c\u7ec4\uff0c\u4ee5\u53caVarnish\u7f13\u5b58\u6587\u4ef6\u5b58\u653e\u76ee\u5f55\uff08\/var\/vcache\uff09\uff1a<\/a><\/p>\n

\/usr\/sbin\/groupadd www -g 48
\n\/usr\/sbin\/useradd -u 48 -g www www
\nmkdir -p \/var\/vcache
\nchmod +w \/var\/vcache
\nchown -R www:www \/var\/vcache<\/div>\n

2\u3001\u521b\u5efaVarnish\u65e5\u5fd7\u76ee\u5f55\uff08\/var\/logs\/\uff09\uff1a<\/p>\n

mkdir -p \/var\/logs
\nchmod +w \/var\/logs
\nchown -R www:www \/var\/logs<\/div>\n

3\u3001\u7f16\u8bd1\u5b89\u88c5varnish\uff1a<\/p>\n

wget\u00a0http:\/\/blog.s135.com\/soft\/linux\/varnish\/varnish-1.1.2.tar.gz<\/a>
\ntar zxvf varnish-1.1.2.tar.gz
\ncd varnish-1.1.2
\n.\/configure –prefix=\/usr\/local\/varnish
\nmake && make install<\/div>\n

4\u3001\u521b\u5efaVarnish\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n

vi \/usr\/local\/varnish\/vcl.conf<\/div>\n

\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

\n
\u5f15\u7528<\/div>\n
backend myblogserver {
\nset backend.host = “192.168.0.5”;
\nset backend.port = “80”;
\n}<\/p>\n

acl purge {
\n“localhost”;
\n“127.0.0.1”;
\n“192.168.1.0”\/24;
\n}<\/p>\n

sub vcl_recv {
\nif (req.request == “PURGE”) {
\nif (!client.ip ~ purge) {
\nerror 405 “Not allowed.”;
\n}
\nlookup;
\n}<\/p>\n

if (req.http.host ~ “^blog.s135.com”) {
\nset req.backend = myblogserver;
\nif (req.request != “GET” && req.request != “HEAD”) {
\npipe;
\n}
\nelse {
\nlookup;
\n}
\n}
\nelse {
\nerror 404 “Zhang Yan Cache Server”;
\nlookup;
\n}
\n}<\/p>\n

sub vcl_hit {
\nif (req.request == “PURGE”) {
\nset obj.ttl = 0s;
\nerror 200 “Purged.”;
\n}
\n}<\/p>\n

sub vcl_miss {
\nif (req.request == “PURGE”) {
\nerror 404 “Not in cache.”;
\n}
\n}<\/p>\n

sub vcl_fetch {
\nif (req.request == “GET” && req.url ~ “\\.(txt|js)$”) {
\nset obj.ttl = 3600s;
\n}
\nelse {
\nset obj.ttl = 30d;
\n}
\n}<\/p><\/div>\n<\/div>\n

\u8fd9\u91cc\uff0c\u6211\u5bf9\u8fd9\u6bb5\u914d\u7f6e\u6587\u4ef6\u89e3\u91ca\u4e00\u4e0b\uff1a
\n(1)\u3001Varnish\u901a\u8fc7\u53cd\u5411\u4ee3\u7406\u8bf7\u6c42\u540e\u7aefIP\u4e3a192.168.0.5\uff0c\u7aef\u53e3\u4e3a80\u7684web\u670d\u52a1\u5668\uff1b
\n(2)\u3001Varnish\u5141\u8bb8localhost\u3001127.0.0.1\u3001192.168.0.***\u4e09\u4e2a\u6765\u6e90IP\u901a\u8fc7PURGE\u65b9\u6cd5\u6e05\u9664\u7f13\u5b58\uff1b
\n(3)\u3001Varnish\u5bf9\u57df\u540d\u4e3ablog.s135.com\u7684\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u975eblog.s135.com\u57df\u540d\u7684\u8bf7\u6c42\u5219\u8fd4\u56de\u201cZhang Yan Cache Server\u201d\uff1b
\n(4)\u3001Varnish\u5bf9HTTP\u534f\u8bae\u4e2d\u7684GET\u3001HEAD\u8bf7\u6c42\u8fdb\u884c\u7f13\u5b58\uff0c\u5bf9POST\u8bf7\u6c42\u900f\u8fc7\uff0c\u8ba9\u5176\u76f4\u63a5\u8bbf\u95ee\u540e\u7aefWeb\u670d\u52a1\u5668\u3002\u4e4b\u6240\u4ee5\u8fd9\u6837\u914d\u7f6e\uff0c\u662f\u56e0\u4e3aPOST\u8bf7\u6c42\u4e00\u822c\u662f\u53d1\u9001\u6570\u636e\u7ed9\u670d\u52a1\u5668\u7684\uff0c\u9700\u8981\u670d\u52a1\u5668\u63a5\u6536\u3001\u5904\u7406\uff0c\u6240\u4ee5\u4e0d\u7f13\u5b58\uff1b
\n(5)\u3001Varnish\u5bf9\u4ee5.txt\u548c.js\u7ed3\u5c3e\u7684URL\u7f13\u5b58\u65f6\u95f4\u8bbe\u7f6e1\u5c0f\u65f6\uff0c\u5bf9\u5176\u4ed6\u7684URL\u7f13\u5b58\u65f6\u95f4\u8bbe\u7f6e\u4e3a30\u5929\u3002<\/p>\n

5\u3001\u542f\u52a8Varnish<\/p>\n

ulimit -SHn 51200
\n\/usr\/local\/varnish\/sbin\/varnishd -n \/var\/vcache -f \/usr\/local\/varnish\/vcl.conf -a 0.0.0.0:80 -s file,\/var\/vcache\/varnish_cache.data,1G -g www -u www -w 30000,51200,10 -T 127.0.0.1:3500 -p client_http11=on<\/div>\n

6\u3001\u542f\u52a8varnishncsa\u7528\u6765\u5c06Varnish\u8bbf\u95ee\u65e5\u5fd7\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishncsa -n \/var\/vcache -w \/var\/logs\/varnish.log &<\/div>\n

7\u3001\u914d\u7f6e\u5f00\u673a\u81ea\u52a8\u542f\u52a8Varnish<\/p>\n

vi \/etc\/rc.local<\/div>\n

\u5728\u672b\u5c3e\u589e\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

\n
\u5f15\u7528<\/div>\n
ulimit -SHn 51200
\n\/usr\/local\/varnish\/sbin\/varnishd -n \/var\/vcache -f \/usr\/local\/varnish\/vcl.conf -a 0.0.0.0:80 -s file,\/var\/vcache\/varnish_cache.data,1G -g www -u www -w 30000,51200,10 -T 127.0.0.1:3500 -p client_http11=on
\n\/usr\/local\/varnish\/bin\/varnishncsa -n \/var\/vcache -w \/var\/logs\/youvideo.log &<\/div>\n<\/div>\n

8\u3001\u4f18\u5316Linux\u5185\u6838\u53c2\u6570<\/p>\n

vi \/etc\/sysctl.conf<\/div>\n

\u5728\u672b\u5c3e\u589e\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

\n
\u5f15\u7528<\/div>\n
net.ipv4.tcp_fin_timeout = 30
\nnet.ipv4.tcp_keepalive_time = 300
\nnet.ipv4.tcp_syncookies = 1
\nnet.ipv4.tcp_tw_reuse = 1
\nnet.ipv4.tcp_tw_recycle = 1
\nnet.ipv4.ip_local_port_range = 5000 \u00a0 \u00a065000<\/div>\n<\/div>\n

 <\/p>\n

\n

\u518d\u770b\u770b\u5982\u4f55\u7ba1\u7406Varnish\uff1a<\/strong>
\n1\u3001\u67e5\u770bVarnish\u670d\u52a1\u5668\u8fde\u63a5\u6570\u4e0e\u547d\u4e2d\u7387\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishstat<\/div>\n

\"\u70b9\u51fb\u5728\u65b0\u7a97\u53e3\u4e2d\u6d4f\u89c8\u6b64\u56fe\u7247\"<\/a><\/p>\n

2\u3001\u901a\u8fc7Varnish\u7ba1\u7406\u7aef\u53e3\u8fdb\u884c\u7ba1\u7406\uff1a
\n\u7528help\u770b\u770b\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9bVarnish\u547d\u4ee4\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishadm -T 127.0.0.1:3500 help<\/div>\n

 <\/p>\n

\n
\u5f15\u7528<\/div>\n
Available commands:
\nping [timestamp]
\nstatus
\nstart
\nstop
\nstats
\nvcl.load
\nvcl.inline
\nvcl.use
\nvcl.discard
\nvcl.list
\nvcl.show
\nparam.show [-l] []
\nparam.set
\nhelp [command]
\nurl.purge
\ndump.pool<\/div>\n<\/div>\n

3\u3001\u901a\u8fc7Varnish\u7ba1\u7406\u7aef\u53e3\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6279\u91cf\u6e05\u9664\u7f13\u5b58\uff1a
\n(1)\u3001\u4f8b\uff1a\u6e05\u9664\u7c7b\u4f3chttp:\/\/blog.s135.com\/a\/zhangyan.html<\/a>\u7684URL\u5730\u5740\uff09\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishadm -T 127.0.0.1:3500 url.purge \/a\/<\/div>\n

(2)\u3001\u4f8b\uff1a\u6e05\u9664\u7c7b\u4f3chttp:\/\/blog.s135.com\/tech<\/a>\u7684URL\u5730\u5740\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishadm -T 127.0.0.1:3500 url.purge w*$<\/div>\n

(3)\u3001\u4f8b\uff1a\u6e05\u9664\u6240\u6709\u7f13\u5b58\uff1a<\/p>\n

\/usr\/local\/varnish\/bin\/varnishadm -T 127.0.0.1:3500 url.purge *$<\/div>\n

4\u3001\u4e00\u4e2a\u6e05\u9664Squid\u7f13\u5b58\u7684PHP\u51fd\u6570\uff08\u6e05\u9664Varnish\u7f13\u5b58\u540c\u6837\u53ef\u4ee5\u4f7f\u7528\u8be5\u51fd\u6570\uff0c\u65e0\u9700\u4f5c\u4efb\u4f55\u4fee\u6539\uff0c\u5341\u5206\u65b9\u4fbf\uff09\uff1a<\/p>\n

\n
\n
view plain<\/a>print<\/a>?<\/a><\/div>\n<\/div>\n
    \n
  1. <?php<\/li>\n
  2. function\u00a0purge($ip,\u00a0$url)<\/li>\n
  3. {<\/li>\n
  4. \u00a0\u00a0\u00a0\u00a0$errstr\u00a0=\u00a0”;<\/li>\n
  5. \u00a0\u00a0\u00a0\u00a0$errno\u00a0=\u00a0”;<\/li>\n
  6. \u00a0\u00a0\u00a0\u00a0$fp\u00a0=\u00a0fsockopen\u00a0($ip,\u00a080,\u00a0$errno,\u00a0$errstr,\u00a02);<\/li>\n
  7. \u00a0\u00a0\u00a0\u00a0if\u00a0(!$fp)<\/li>\n
  8. \u00a0\u00a0\u00a0\u00a0{<\/li>\n
  9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0false;<\/li>\n
  10. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  11. \u00a0\u00a0\u00a0\u00a0else<\/li>\n
  12. \u00a0\u00a0\u00a0\u00a0{<\/li>\n
  13. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$out\u00a0=\u00a0“PURGE\u00a0$url\u00a0HTTP\/1.1\\r\\n”;<\/li>\n
  14. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$out\u00a0.=\u00a0“Host:blog.s135.com\\r\\n”;<\/li>\n
  15. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$out\u00a0.=\u00a0“Connection:\u00a0close\\r\\n\\r\\n”;<\/li>\n
  16. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fputs\u00a0($fp,\u00a0$out);<\/li>\n
  17. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$out\u00a0=\u00a0fgets($fp\u00a0,\u00a04096);<\/li>\n
  18. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fclose\u00a0($fp);<\/li>\n
  19. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0true;<\/li>\n
  20. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  21. }<\/li>\n
  22. <\/li>\n
  23. purge(“192.168.0.4”,\u00a0“\/index.php”);<\/li>\n
  24. ?><\/li>\n<\/ol>\n<\/div>\n

    \u96441\uff1aVarnish\u5b98\u65b9\u7f51\u7ad9\uff1ahttp:\/\/www.varnish-cache.org\/<\/a><\/p>\n

    \u96442\uff1a2007\u5e7412\u670810\u65e5\uff0c\u6211\u5199\u4e86\u4e00\u4e2a\u6bcf\u59290\u70b9\u8fd0\u884c\uff0c\u6309\u5929\u5207\u5272Varnish\u65e5\u5fd7\uff0c\u751f\u6210\u4e00\u4e2a\u538b\u7f29\u6587\u4ef6\uff0c\u540c\u65f6\u5220\u9664\u4e0a\u4e2a\u6708\u65e7\u65e5\u5fd7\u7684\u811a\u672c\uff08\/var\/logs\/cutlog.sh\uff09\uff1a
    \n\/var\/logs\/cutlog.sh\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n

    \n
    \u5f15\u7528<\/div>\n
    #!\/bin\/sh
    \n# This file run at 00:00
    \ndate=$(date -d “yesterday” +”%Y-%m-%d”)
    \npkill -9 varnishncsa
    \nmv \/var\/logs\/youvideo.log \/var\/logs\/${date}.log
    \n\/usr\/local\/varnish\/bin\/varnishncsa -n \/var\/vcache -w \/var\/logs\/youvideo.log &
    \nmkdir -p \/var\/logs\/youvideo\/
    \ngzip -c \/var\/logs\/${date}.log > \/var\/logs\/youvideo\/${date}.log.gz
    \nrm -f \/var\/logs\/${date}.log
    \nrm -f \/var\/logs\/youvideo\/$(date -d “-1 month” +”%Y-%m*”).log.gz<\/div>\n<\/div>\n

    \u8bbe\u7f6e\u5728\u6bcf\u592900:00\u5b9a\u65f6\u6267\u884c\uff1a<\/p>\n

    \/usr\/bin\/crontab -e<\/div>\n

    \u6216\u8005<\/p>\n

    vi \/var\/spool\/cron\/root<\/div>\n

    \u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

    \n
    \u5f15\u7528<\/div>\n
    0 0 * * * \/bin\/sh \/var\/logs\/cutlog.sh<\/div>\n<\/div>\n

     <\/p>\n

     <\/p>\n

    \u539f\u6587\u5730\u5740:http:\/\/blog.s135.com\/post\/313\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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