Nginx 配置负载均衡-白红宇的个人博客

Nginx 配置负载均衡

发布日期：2021-05-14 16:02:28 浏览次数：24 分类：精选文章

本文共 2759 字，大约阅读时间需要 9 分钟。

?????Nginx??????????????????????????????????????????????????Nginx??????

???????

??????????????????????????????????????Nginx????????????????RR??????????????IP??????ip_hash????????????????????

Nginx???????

Nginx????????upstream??????????????????backend group??Nginx?????????????????????

????????

?????RR?Round-Robin?

?????Nginx???????????????????????

?????

upstream kfedu {
    server 192.168.186.57:81;
    server 192.168.186.57:82;
    server 192.168.186.57:83;
}

???????

?????????????weight????????????

???

upstream kfedu {
    server 192.168.186.57:81 weight=1;
    server 192.168.186.57:82 weight=2;
    server 192.168.186.57:83 weight=3;
}

81????1????82??2??83??3??

IP?????ip_hash?

???????IP???????????????IP???????????????????????

???
```
upstream kfedu {
    ip_hash;
}
```

?????????

???????????????

???IP???????????192.168.186.56????????192.168.186.57?IP???????

????????????????????81?82?83??

??????????????????????/mnt/kf1?/mnt/kf2?/mnt/kf3?????????

Nginx????????

???Nginx????????

upstream kfedu {
    server 192.168.186.57:81;
    server 192.168.186.57:82;
    server 192.168.186.57:83;
}
server {
    listen       80;
    server_name  localhost;
    location / {
        proxy_pass http://kfedu;
    }
}

????????

?????

upstream kfedu {
    server 192.168.186.57:81 weight=1 max_fails=3 fail_timeout=15;
    server 192.168.186.57:82 weight=2;
    server 192.168.186.57:83 weight=3;
}

max_fails???????????????????1?

fail_timeout????????max_fails?????????????????10??

??????

upstream kfedu {
    server 192.168.186.57:81 weight=1 max_fails=3 fail_timeout=15;
    server 192.168.186.57:82 weight=2;
    server 192.168.186.57:83 backup;
}

backup????????????????????

?????

upstream kfedu {
    server 192.168.186.57:81 max_conns=1000;
}

max_conns?????????????????

????????

upstream kfedu {
    server 192.168.186.57:81;
    server 192.168.186.57:82;
    server 192.168.186.57:83 down;
}

down???????????????????????

Nginx????

????????????????????

upstream kfedu {
    server 192.168.186.57:81;
    server 192.168.186.57:82;
    server 192.168.186.57:83;
}
proxy_cache_path /data levels=1:2 keys_zone=kfcache:10m;
server {
    listen       80;
    server_name  localhost;
    location / {
        proxy_pass http://kfedu;
        proxy_cache kfcache;
        proxy_cache_valid 200 5m;
    }
}

URL???

Nginx?rewrite??????URL??????????????????????

server {
    listen       80;
    server_name  www.kf1.com;
    rewrite ^/(.*) http://www.kf2.com/$1 permanent;
}
server {
    listen       80;
    server_name  www.kf2.com;
    location / {
        root   html;
        index  index.html index.htm;
    }
}

????

???????upstream???server????????????????????

?????listen???80???????????

???????proxy_pass?????????Nginx?????????????????????

???????????Nginx????????????????

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???????

Nginx???????

????????

?????????

Nginx????????

????????

Nginx????

URL???

????

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