CDN与Web网站性能优化应用实践汇.ppt

CDN与Web网站性能优化应用实践 马凯 2009/12/25 程序 Application PHP Script/HTML/JS… 服务 Server Apache/MySQL/Bind/Nginx… 系统 System Linux/Xen/VPN/Cacti/Nagios… 平台 Platform IDC/Router/Swtich/Server/Storage… Website Hardware 适应架构 性能分析 合理化应用 IDC 适应架构 质量测试 性价比 CDN Platform Linux Distribution FileSystem Iptables Virtualization Monitor Configure Network VPN Management Backup Log System Webserver Loadbalance Cache DB Mysql Memcache/Ttserver/Redis Video Encode High Availability …… Server HTML JS/CSS Cache Header Domain SQL Distributed …… Application 目标： 成功率 - 更稳 响应时间 - 更快 吞吐量 - 更多 Capability 源站 Source 负载均衡 Loadbalance 缓存 Cache 分发 Deliver 内容 Content CDN LAMP/LAM2P Tomcat/Resin FTP FMS Media Encode IM Server Game Server Source Bind LVS Nginx Loadbalance Pull - Proxy Push - PreCache Deliver Squid Varnish Nginx –with-proxy-store Nginx –with-memcache Webserver Lighttpd Cache 动态页面 Active page 静态元素 Static element 编辑配图 Vouch image 用户图片 User Image 视频 Video 音频 Audio Site LAMP / FCGI LVS Varnish Nginx location / { #if ( $request_method ~ .*(get|GET).*$ ) { if ( $request_uri ~ “\.html|_xy\.php ) { proxy_pass http://cache; break; } proxy_pass http://web; } * Cache URL List Active page Lighty Nginx root /dev/shm; gzip on; gzip_proxied any; gzip_types text/plain application/x-javascript text/css; #location ~ (gif|js|css|jpg|jpeg|bmp)$ { location / { expires 365d; proxy_store on; proxy_temp_path /dev/shm; proxy_store_access user:rw group:rw all:rw; if ( !-e $request_filename ) { proxy_pass http://webs; }} * JS/CSS Version Static element Lighty Varnish Nginx Vouch Image Lighty Nginx Consistent Squid/Varnish/Nginx Domain User Image Storage –Storctrl Servers Upload/Sync/Deliver 三级访问 Index Server DB – t