详解Linux系统配置nginx的负载均衡
负载均衡的几种方式:
1.轮询:默认按照时间顺序对所有服务器一个一个的访问,如果有服务器宕机,会自动剔除;
2.weight:服务器的方位几率和weight成正比,这个可以在服务器配置不均的时候进行配置;
3.ip_hash:对每个请求的ip进行hash计算,并按照一定的规则分配对应的服务器(可解决session共享);
4.fair:按照每台服务器的响应时间(rt)来分配请求,rt知道优先分配;
5.url_hash:按照访问url的hash值来分配请求;
NGINX配置文件:
代码如下
user nginx;
worker_processes auto;
error_log/var/log/nginx/error.log;
pid/run/nginx.pid;
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 blockip.conf; #过虑IP
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Load modular configuration files from the /etc/nginx/conf.d directory.
# See http://nginx.org/en/docs/ngx_core_module.html#include
# for more information.
include/etc/nginx/conf.d/*.conf;
upstream www.域名.com {
server IP1:端口; #服务器1
server IP2:端口; #服务器2
ip_hash; #负载均衡的规则
}
server {
listen 80 default_server; #NGINX 指向的服务域名
listen [::]:80 default_server;
server_name IP; #NGINX 指向的服务器 IP
root /usr/share/nginx/html;#NGINX HTML 目录
# Load configuration files for the default server block.
include/etc/nginx/default.d/*.conf;
location / {
proxy_pass http://www.域名.com;#nginx指向的域名
}
error_page 404/404.html;
location =/40x.html { #404页面
}
error_page 500 502 503 504/500.html;
location =/500.html { #500页面
}
}
}
nginx负载均衡配置详解_详解Linux系统配置nginx的负载均衡
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