nginx load-balancing

nginx load-balancing example

title

nginx.conf(base)

http {
    upstream myapp1 {
        server srv1.example.com;
        server srv2.example.com;
        server srv3.example.com;
    }

    server {
        listen 80;

        location / {
            proxy_pass http://myapp1;
        }
    }
}

options

#least_conn
upstream myapp1 {
    least_conn;
    server srv1.example.com;
    server srv2.example.com;
    server srv3.example.com;
}
#ip_hash
upstream myapp1 {
    ip_hash;
    server srv1.example.com;
    server srv2.example.com;
    server srv3.example.com;
}
#weighted load-balancing
upstream myapp1 {
    server srv1.example.com weight=3;
    server srv2.example.com;
    server srv3.example.com;
}