nginx version: nginx/1.17.10 (Ubuntu)
发送数据至客户端超时, 默认60s, 如果连续的60s内客户端没有收到1个字节, 连接关闭
Default: send_timeout 60s;
Context: http, server, location
Sets a timeout for transmitting a response to the client. The timeout is set only between two successive write operations,not for the transmission of the whole response. If the client does not receive anything within this time, the connection is closed.