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主机 | IP1 | IP2 | 作用 |
---|---|---|---|
haproxy | 172.17.17.173 | 192.168.17.173 | 负载均衡nginx:80 |
nginx1 | 192.168.17.174 | 负载均衡tomcat:8080 | |
nginx2 | 192.168.17.175 | 负载均衡tomcat:8080 | |
tomcat1 | 192.168.17.174 | 提供web服务 | |
tomcat2 | 192.168.17.175 | 提供web服务 | |
mysql | 192.168.16.173 | 提供mysql服务 |
vim /etc/haproxy/haproxy.cfgglobal log 127.0.0.1 local2 nbproc 1 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon stats socket /var/lib/haproxy/statsdefaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000frontend static mode http bind 172.17.17.173:80 default_backend server_nginxbackend server_nginx balance roundrobin option httpchk GET /index.jsp server static_175 192.168.17.175:6000 check inter 2000 rise 3 fall 5 server static_174 192.168.17.174:6000 check inter 2000 rise 3 fall 5listen stats mode http bind 192.168.17.173:1900 stats enable stats hide-version stats uri /haproxy?111 stats realm Haproxy\ Statistics stats auth admin:admin stats admin if TRUE
使用upstream&proxy_pass 匹配location进行负载均衡
vim /etc/nginx/nginx.confuser nginx;worker_processes auto;error_log /var/log/nginx/error.log;pid /run/nginx.pid;/usr/share/nginx/README.dynamic.include /usr/share/nginx/modules/*.conf;events { worker_connections 1024;}http { log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; include /etc/nginx/mime.types; default_type application/octet-stream; include /etc/nginx/conf.d/*.conf;upstream web_tomcat{server 192.168.17.174:8080 weight=5;server 192.168.17.175:8080 weight=10;} server { listen 192.168.17.174:80 default_server; server_name _; index index.jsp index.html; # Load configuration files for the default server block. location / { proxy_pass http://web_tomcat; } location ~*.(jsp|do) { index index.jsp index.do; proxy_pass http://web_tomcat; } }}
yum install java-1.8.0-openjdk
tomcat使用yum安装还需要安装admin、manager等包,所以直接使用二进制安装
密码:ktlxvim /etc/profile.d/java.sh export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/ export JRE_HOME=$JAVA_HOME/jre export CATAlINA_BASE=/usr/local/tomcat export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$CATAlINA_BASE/bin:$PATH
4.启动tomcat
source /etc/profile.d/java.sh cacatalina.sh start
数据库安装,与数据库之间的链接需要java代码实现
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