nginx+tomcat集群+session复制.doc

nginx+tomcat集群+session复制1. 测试环境1.1 软件列表nginx-1.0.11.tar.gz、pcre-8.21.tar.gz、nginx-upstream-jvm-route-0.2apache-tomcat-6.0.35.tar.gz、tomcat-native-1.1.20-src.tar.gzapr-1.4.6.tar.gz、apr-iconv-1.2.1.tar.gz、apr-util-1.4.1.tar.gzjdk-1_5_0_22-linux-i586.bin#mkdir p /usr/local/soft#将以上软件上传到soft目录下1.2 server环境redhat5.4nginx server：:80tomcat1：:8080tomcat2：:81802. 安装nginx2.1 安装pcre#cd /usr/local/soft#tar zxvf pcre-8.21.tar.gz#cd pcre-8.21#./configure#make & make install2.2 安装nginx#useradd www#cd /usr/local/soft#tar zxvf nginx-upstream-jvm-route-0.2.tar.gz#tar zxvf nginx-1.0.11.tar.gz #cd nginx-1.0.11#patch -p0 ./nginx_upstream_jvm_route/jvm_route.patch #/configure -prefix=/usr/local/nginx -with-http_stub_status_module -add-module=./nginx_upstream_jvm_route#make & make install2.3 配置nginx#vi /usr/local/nginx/etc/nginx.confuser www www;#使用的用户和组worker_processes 8;#指定工作衍生进程数(一般等于CPU的总核数或总核数的两倍)worker_rlimit_nofile 51200;#指定文件描述符数量pid logs/nginx.pid;#指定pid存放的路径#error_log logs/error.log;#error_log logs/error.log notice;error_log logs/error.log info;#指定错误日志存放的路径和级别，可选debug|info|notice|warn|error|critevents use epoll;#使用的网络I/O模型worker_connections 51200;#允许的连接数http include mime.types; default_type application/octet-stream;#设置使用的字符集server_tokens off;#隐藏nginx的版本号 log_format main $remote_addr - $remote_user $time_local $request $status $body_bytes_sent $http_referer upstream_response_time $upstream_response_time $upstream_addr $http_user_agent $http_x_forwarded_for;#自定义日志格式 #access_log logs/access.log combined;access_log logs/access.log main;#access日志存放路径和格式sendfile on;#提升文件传输性能#tcp_nopush on;client_max_body_size 300m;#设置客户端能够请求的单个文件大小 #keepalive_timeout 0;keepalive_timeout 75;#proxy参数proxy_connect_timeout 5;#跟后端服务器连接的超时时间，发起握手等候响应超时时间proxy_read_timeout 600;#连接成功后，等候后端服务器的响应时间proxy_send_timeout 600;#后端服务器数据回传时间proxy_buffer_size 16k;#代理请求缓存区proxy_buffers 4 64k;#同上，告诉nginx保存单个用的几个buffer、最大用多空间proxy_busy_buffers_size 128k;#如果系统很忙时可以申请更大的proxy_buffers，官方推荐*2proxy_temp_file_write_size 128k;#开启压缩功能 gzip on; gzip_min_length 1k; gzip_buffers 4 16k; gzip_http_version 1.1; gzip_comp_level 2;#压缩级别从低到高1-9 gzip_types text/plain application/x-javascript text/css application/xml; gzip_vary on;#开启gzip压缩功能#设置负载均衡池 upstream tomcat_pool server :8080 srun_id=jvm1; server :8080 srun_id=jvm2; jvm_route $cookie_JSESSIONID|sessionid reverse; #server设置 server listen :80;#监听的IP和端口 server_name ;#主机名称 charset off;#设置字符集 #access_log logs/host.access.log main; location / root /var/www/html;#HTML网页文件存放的目录 index index.jsp index.html index.htm default.jsp index.do default.do;#默认首页文件proxy_pass http:/tomcat_pool;proxy_redirect off; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $http_host; #访问控制allow all;#设置客户端浏览器缓存时间 location .(gif|jpg|jpeg|png|bmp)$ expires 1h;#对很少修改的文件开启expires，设置客户端浏览器缓存时间#如果找不到图片，需要考虑root或proxypass #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html root html; # proxy the PHP scripts to Apache listening on :80 # #location .php$ # proxy_pass ; # # pass the PHP scripts to FastCGI server listening on :9000 # #location .php$ # root html; # fastcgi_pass :9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; # include fastcgi_params; # # deny access to .htaccess files, if Apaches document root # concurs with nginxs one #location /.ht # deny all; #开启nginx监控页面location /nginx_statusstub_status on;access_log off;allow all; 2.4 nginx启动与重启#/usr/local/nginx/sbin/nginx /启动#killall -9 nginx /停止#kill -HUP cat /usr/local/nginx/logs/nginx.pid /重新加载配置文件3. 安装tomcat3.1 安装apr#cd /usr/local/soft#tar zxvf apr-1.4.6.tar.gz#cd apr-1.4.6# ./configure -prefix=/usr/local/www/apr# make# make install3.2 安装apr-iconv#cd /usr/local/soft# tar -zxvf apr-iconv-1.2.1.tar.gz# cd apr-iconv-1.2.1# ./configure -prefix=/usr/local/www/apr-iconv -with-apr=/usr/local/www/apr # make# make install3.3 安装apr-util#cd /usr/local/soft# tar zxvf apr-util-1.4.1.tar.gz# cd apr-util-1.4.1# ./configure -prefix=/usr/local/www/apr-util-with-apr=/usr/local/www/apr -with-apr-iconv=/usr/local/www/apr-iconv/bin/apriconv # make# make install3.4 JDK安装#上传jdk-1_5_0_22-linux-i586.bin到/usr/local目录下#cd /usr/local#chmod +x jdk-1_5_0_22-linux-i586.bin# ./jdk-1_5_0_22-linux-i586.bin设置环境变量# vi /etc/profile末尾增加如下内容export JAVA_HOME=/usr/local/jdk1.5.0_22export PATH=$JAVA_HOME/bin:$PATHexport CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar执行命令，使其生效# source /etc/profile查看java版本，如果是1.5的，就是说明安装成功了。# java -version3.5 安装tomcat1#cd /usr/local/soft# tar -zxvf apache-tomcat-6.0.35.tar.gz # mv apache-tomcat-6.0.35 /usr/local/www/tomcat1# vi /usr/local/www/tomcat/bin/catalina.sh加入一行：JAVA_HOME=/usr/local/ jdk1.5.0_22# /usr/local/www/tomcat/bin/startup.sh3.6 安装tomcat-native#cd /usr/local/soft# tar zxvf tomcat-native-1.1.20-src.tar.gz# cd tomcat-native-1.1.20-src/jni/native# ./configure -with-apr=/usr/local/www/apr -with-java-home=/usr/local/ jdk1.5.0_22# make# make install3.7 设置 apr 的环境变量# vi /etc/profile后面添加以下内容export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/www/apr/lib# source /etc/profile3.8 安装tomcat2将tomcat1整体copy一份即可(若在不同server上，需要执行3.1-3.7)。#cd /usr/local/www#cp r tomcat1 tomcat23.9 tomcat启动与停止3.9.1 启动#cd /bin/#./startup.sh3.9.2 停止#cd /bin/#./shutdown.sh4. tomcat集群配置4.1 tomcat1配置4.1.1 加入cluster功能#cd /usr/local/www/tomcat1/conf#vi server.xml配置文件查找Engine name行,修改为如下设置Engine name=Catalina defaultHost=localhost jvmRoute=jvm1 并加入如下内容 4.1.2 增加session复制元素编辑/webapps/examples/WEB-INF/web.xml文件，添加元素，如下： Servlet and JSP Examples. Servlet and JSP Examples4.2 Tomcat2配置4.2.1 修改端口1. tomcat1、tomcat2在同一机器上，要保证有些端口不能冲突。2. 编辑tomcat2配置文件做如下修改: 4.2.2 修改webapps路径 4.2.3 加入cluster功能查找Engine name行,修改为如下设置Engine name=Catalina defaultHost=localhost jvmRoute=jvm2 并加入如下内容 Receiver className=org.apache.catalina.tribes.transport.nio.Nio