下载nginx
- http://nginx.org/en/download.html
wget http://nginx.org/download/nginx-1.20.2.tar.gz
安装nginx
- 参考: https://www.cnblogs.com/-wei/p/15219624.html
./configure --prefix=/opt/nginx
或
./configure --prefix=/opt/nginx --with-http_ssl_module
make
make install
报错
- ./configure: error: the HTTP rewrite module requires the PCRE library
yum -y install pcre-devel
- ./configure: error: the HTTP gzip module requires the zlib library.
yum -y install zlib-devel
- ./configure: error: SSL modules require the OpenSSL library.
yum -y install openssl openssl-devel
nginx限制请求数据包大小
client_max_body_size 1000m;
负载均衡配置
- 参考: https://www.cnblogs.com/telwanggs/p/14977290.html
upstream test_group {
# If there is no specific strategy, round-robin
# would be the default strategy.
# least_conn;
# ip_hash;
server 172.16.217.109:8501 weight=1 max_fAIls=2 fail_timeout=30s;
server 172.16.217.109:8502 weight=1 max_fails=2 fail_timeout=30s;
}
location / {
#root html;
#index index.html index.htm;
client_max_body_size 3m;
proxy_pass http://test_group;
}
nginx负载均衡策略
- 轮询:将客户端发起的请求,平均分配给每一台服务器
- 权重:将客户的的请求,根据服务器的权重值不同,分配不同的数量
- ip_hash:基于发起请求的客户端的ip地址不同,他始终会将请求发送到指定的服务器上,客户端ip地址不变,就会一直发送到一个服务器上。
轮询
upstream my_server{
server IP:8080;
server IP:8081;
}
server {
listen 80;
listen [::]:80;
server_name localhost;
location / {
proxy_pass http://my_server/;
}
}
权重
upstream my_server{
server IP:8080 weight=10;
server IP:8081 weight=2;
}
server {
listen 80;
listen [::]:80;
server_name localhost;
location / {
proxy_pass http://my_server/;
}
}
ip_hash
upstream my_server{
ip_hash;
server IP:8080 weight=10;
server IP:8081 weight=2;
}
server {
listen 80;
listen [::]:80;
server_name localhost;
location / {
proxy_pass http://my_server/;
}
}
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