标签：article user stat write off byte cat ESS roo
Nginx+Tomcat+Redis实现负载均衡、资源分离、session共享
CentOS安装Nginx?：http://centoscn.com/CentosServer/www/2013/0910/1593.html
CentOS安装Tomcat?：http://blog.csdn.net/zhuying_linux/article/details/6583096
CentOS安装Redis?：http://www.cnblogs.com/zhuhongbao/archive/2013/06/04/3117997.html
多个Tomcat负载均衡实例：可在服务器上复制出多个Tomcat分别修改Tomcat的http访问端口（默认为8080端口）
Shutdown端口（默认为8005端口）
JVM启动端口（默认为8009端口）
1、Nginx实现多Tomcat负载均衡
Tomcat服务：
Nginx配置：
upstream?mytomcats?{?
server?192.168.1.177:8001;?
server?192.168.1.177:8002;?
server?192.168.1.177:8003;
}
server?{?
location?/?{?
proxy_pass?http://mytomcats;?
proxy_redirect?off;?
proxy_set_header?Host?$host;?
proxy_set_header?X-Real-IP?$remote_addr;?
proxy_set_header?X-Forwarded-For?$proxy_add_x_forwarded_for;?
client_max_body_size?10m;?
client_body_buffer_size?128k;?
proxy_connect_timeout?90;?
proxy_send_timeout?90;?
proxy_read_timeout?90;?
proxy_buffer_size?4k;?
proxy_buffers?4?32k;?
proxy_busy_buffers_size?64k;?
proxy_temp_file_write_size?64k;?
}
}
upstream指定负载均衡组，指定其Tomcat成员location?~*?\.(jpg|gif|……实现了静态资源分离。ps：在location指令使用正则表达式后再用alias指令，Nginx是不支持的。
2、Nginx实现静态资源分离
Tomcat服务：
?192.168.1.177:8000
Nginx配置：
server?{???
listen?80;???
server_name?www.iu14.com;???
root?/web/www/html;??
location?/img/?{???
alias?/web/www/html/img/;???
}?
location?~?(\.jsp)|(\.do)$?{
proxy_pass?http://192.168.1.177:8000;?
?? proxy_redirect?off;??? ?
??????? proxy_set_header?Host?$host;??? ?
??? proxy_set_header?X-Real-IP?$remote_addr;???
??? proxy_set_header?X-Forwarded-For?$proxy_add_x_forwarded_for;??
?? client_max_body_size?10m;??
?????????client_body_buffer_size?128k;??
?????????proxy_connect_timeout?90;???
proxy_send_timeout?90;???
proxy_read_timeout?90;??? ????????
proxy_buffer_size?4k;???????????
proxy_buffers?4?32k;??? ???????
proxy_busy_buffers_size?64k;???????????
proxy_temp_file_write_size?64k;?
}
}
第一个location指令将/web/www/html/img/目录下的静态文件交给Nginx来完成。最后一个location指令将所有以.jsp、.do结尾的文件都交给Tomcat服务器的8080端口来处理。
3、Nginx+Tomcat+Redis实现session共享?
Redis服务?
192.168.1.178:6379?
Tomcat服务?
192.168.1.177:8001?
192.168.1.177:8002?
192.168.1.177:8003
Nginx服务?
192.168.1.179?
配置Tomcat让其session保存到redis上，在context.xml配置(Value标签一定要在Manager标签前面)：
配置Nginx?
upstream?mytomcats?{??
? server?192.168.1.177:8001;???
server?192.168.1.177:8002;???
server?192.168.1.177:8003;???
}?
log_format?www_iu14_com?‘$remote_addr?-?$remote_user?[$time_local]?$request?‘?‘"$status"?$body_bytes_sent?"$http_referer"‘??‘"$http_user_agent"?"$http_x_forwarded_for"‘;???
server?{?
listen??80;???
server_name?www.iu14.com;????????
location?/?{??? ????????
proxy_pass?http://?mytomcats;
proxy_set_header?Host?$host;??? ???????
?proxy_set_header?X-Real-IP?$remote_addr;??? ????????
proxy_set_header?X-Forwarded-For?$proxy_add_x_forwarded_for;???
}???
access_log?/usr/tmp/logs/redis.iu14.log?www_iu14_com;???
}
}
依次启动Redis、Tomcat、Nginx，访问Nginx
Nginx+Tomcat+Redis实现负载均衡、资源分离、session共享
标签：article user stat write off byte cat ESS roo
原文地址：https://www.cnblogs.com/hongmoshui/p/10422362.html
