nginx 负载均衡
nginx配置:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | worker_processes 1; events { worker_connections 1024; } http { server { listen 8081; location / { root /data/xc1; } } server { listen 8082; location / { root /data/xc2; } } server { listen 8083; location / { root /data/xc3; } } upstream myproject { server 172.31.221.178:8081; server 172.31.221.178:8082; server 172.31.221.178:8083; } server { listen 80; location / { proxy_pass http://myproject; } } } |
- 默认为循环调度
- least_conn 最小连接
- ip_hash 会话选择特定的服务器
- weight 加权负载均衡
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | upstream myproject { least_conn; server 172.31.221.178:8081; server 172.31.221.178:8082; server 172.31.221.178:8083; } upstream myproject { ip_hash; server 172.31.221.178:8081; server 172.31.221.178:8082; server 172.31.221.178:8083; } upstream myproject { server 172.31.221.178:8081 weight=3; server 172.31.221.178:8082; server 172.31.221.178:8083; } |
重新载入配置文件:
1 | /usr/local/nginx/sbin/nginx -s reload # 重新载入配置文件 |
访问:
1 | http://loc168/ |
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