变量名:$upstream_status 功能:该变量为 upstream 中 server 的响应状态 变量名:$upstream_response_time 功能:upstream server 响应的时间,单位为秒,能够精准到毫秒。如果有多个 server 响应回答,那么会用逗号和冒号分隔开 变量名: HEADER 功能:HTTP 协议头。例如:$upstream_http_host 3. 参数配置及测试 参数相关...
变量名:$upstream_cache_status 功能:该变量出现在 Nginx 0.8.3 版本中, 可能的值如下: MISS - 缓存中未被命中 EXPIRED - 生存期期满,请求被传递到后端服务器 UPDATING - 生存期满,陈旧的响应被使用,因为proxy/fastcgi_cache_use_stale 升级 STALE - 生存期期满,陈旧的响应被使用,因为 proxy/fastcgi_cache_us...
upstream_addr=127.0.0.1:8098 upstream_bytes_received=252upstream_bytes_sent=294 upstream_cache_status=-upstream_connect_time=0.000 upstream_cookie_a=-upstream_header_time=0.001 upstream_http_server=nginx/1.23.0 upstream_response_length=21upstream_response_time=0.001 upstream_status=200upstream_trailer_a...
connect() failed (111: Connection refused) while connecting to upstream, client: 127.0.0.1, server: , request: "POST /demo HTTP/1.1", subrequest: "/capture/getstatus", upstream: "http://192.168.99.100:8080/api/demo/ 比如 upstream timedout(110:Connectiontimedout)whilereading response headerfro...
u->headers_in.status_n = 200; u->state->status = 200; u->headers_in.status_n = 404; u->state->status = 404; 1. 2. 3. 4. 5. 6. 7. u->state用于计算upstream相关的变量。比如u->status->status将被用于计算变量“upstream_status”的值。u->headers_in将被作为返回给客户端的响应返...
nginx提供了$upstream_cache_status这个变量来显示缓存的状态,我们可以在配置中添加一个http头来显示这一状态,达到类似squid的效果。 location / { proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;...
upstream_addr=127.0.0.1:8098,192.168.56.89:80upstream_bytes_received=0,456upstream_bytes_sent=0,294upstream_cache_status=-upstream_connect_time=-,0.000upstream_cookie_a=-upstream_header_time=-,0.001upstream_http_server=nginx/1.23.0upstream_response_length=0,224upstream_response_time=0.001,0.001upstre...
nginx提供了$upstream_cache_status这个变量来显示缓存的状态,我们可以在配置中添加一个http头来显示这一状态,达到类似squid的效果。 location / { proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;...
status = NGX_HTTP_SERVICE_UNAVAILABLE;break;/* * NGX_HTTP_UPSTREAM_FT_BUSY_LOCK and NGX_HTTP_UPSTREAM_FT_MAX_WAITING * never reach here */default: status = NGX_HTTP_BAD_GATEWAY; } 502 与 503 的 逻辑分岔路: nginx-1.24.0\src\http\ngx_http_upstream_round_robin.c(ngx_http_upstream_get...
sh->version = 0; sh->status = NULL; ... } ngx_http_dyups_init_process 该函数在启动进程时候调用,设定了一些定时器。 初始化共享内存,判断如果是非正常退出的,那么重新加载upstream配置。 static ngx_int_t ngx_http_dyups_init_process(ngx_cycle_t *cycle) ...