一、 TCP/IP State=>SYN_RECV,LISTEN,TIME_WAIT,ESTABLISHED,STREAM,CONNECTED,CLOSING (1)前端Nginx大量报no live upstreams (2) 后端server大量的TIME_WAIT 二、 upstream中的keepalive设置 此处keepalive的含义不是开启、关闭长连接的开关;也不是用来设置超时的timeout;更不是设置长连接池最大连接数。 官方解释...
}ngx_http_upstream_keepalive_srv_conf_t; typedef struct { ngx_http_upstream_keepalive_srv_conf_t *conf; ngx_http_upstream_t *upstream; void *data; //保存原始获取peer和释放peer的钩子,它们通常是ngx_http_upstream_get_round_robin_peer和ngx_http_upstream_free_round_robin_peer,nginx负载均衡默认...
13)proxy_next_upstream Syntax: proxy_next_upstream error | timeout | invalid_header | http_500 | http_502 | http_503 | http_504 |http_403| http_404 | non_idempotent |off ...; Default:proxy_next_upstream error timeout; Context:http, server, location 当你使用Nginx proxy代理时,如果是...
proxy_next_upstream on; # 当被代理的服务器返回错误或超时时,将未返回响应的客户端连接请求传递给upstream中的下一个服务器 proxy_next_upstream_tries 3; # 转发尝试请求最多3次 proxy_next_upstream_timeout 10s; # 总尝试超时时间为10s proxy_socket_keepalive on; # 开启SO_KEEPALIVE选项进行心跳检测 pr...
Nginx upstream keepalive的具体实现在文件src/http/modules/ngx_http_upstream_keepalive_module.c中,该文件中包含以下三个数据结构: typedef struct { //最大缓存连接个数,由keepalive参数指定(keepaliveconnection) ngx_uint_t max_cached; ngx_uint_t single; /* unsigned:1 */ ...
upstream tomcats{# server 192.168.51.5:8080 max_fails=2 fail_timeout=1s;server192.168.51.5:8080;# server 192.168.51.6:8080 weight=1;# server 192.168.51.7:8080 weight=1;keepalive32;}server{listen80;server_name www.tomcats.com;location/{proxy_pass http://tomcats;proxy_http_version1.1;proxy_se...
http { include mime.types; default_type application/octet-stream; log_format main '$sent_http_connection'; access_log logs/access.log main; sendfile on; keepalive_timeout 65; upstream http_backend { server 127.0.0.1:8002; keepalive 16; } server { listen 8001; location /http/ { proxy_...
upstream stream_name{ server host:port; server host:port; keepalive 256; } location { ... proxy_http_version 1.1; proxy_set_header Connection ""; ... } 默认情况下 Nginx 访问后端都是用的短连接(HTTP1.0),一个请求来了,Nginx 新开一个端口和后端建立连接,请求结束连接回收。如果配置了http 1.1...
主要新增upstream集群配置点,配置如下: 复制 worker_processes1;events { worker_connections1024;} http { include mime.types;default_type application/octet-stream;sendfileon;keepalive_timeout65;gzipon;#服务器的集群(这个就是我们要配置的地方)#test.com:服务器集群名字,自定义upstream test.com {#服务器配...
sendfile on; # 开启高效传输模式tcp_nopush on; # 减少网络报文段的数量tcp_nodelay on;keepalive_timeout 65; # 保持连接的时间,也叫超时时间,单位秒types_hash_max_size 2048; include /etc/nginx/mime.types; # 文件扩展名与类型映射表default_type application/octet-stream; # 默认文件类型 ...