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1.upstream 模块
upstream backend {
server backend1.example.com weight=5 max_fails=10 fail_timeout=10s;
server backend2.example.com:8080 max_conns=50000; //指定最大的连接数
server unix:/tmp/backend3 slow_start
=; //当server宕机恢复之后,指定一个观察期,如果在观察期内server均正常,则该server重新添加入负载均衡队列中
server backup1.example.com:8080 backup;
server backup2.example.com:8080 backup;
}
server {
location / {
proxy_pass http://backend;
}
}
具体可参见:http://nginx.org/en/docs/http/ngx_http_upstream_module.html
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原文地址:http://www.cnblogs.com/vijayfly/p/5481145.html