nginx生產配置文件參考 解決http 499 問題，解決銀聯回調 異常，每次請求第一次失敗，第二次成功，每次都要等三分鐘，主要添加參數是優化buffer\cache，還有超時時間,

問題排查步驟：

1，查看DNS 【服務器本地DNS、局域網bindDNS，CDN解析，域名映射，NAT等】
2，查看nginx 連接狀態，TCP11種狀態，是否存在主動丟棄連接
3，查看nginx配置 是否存在優化項，特唄注意 timeout、ignore_client_abort，fastcgi端口跳轉等等

##-------------------------------------------------------------------------- user www www; worker_processes 4; error_log /home/logs/nginx_error.log notice; pid /var/run/nginx.pid; worker_rlimit_nofile 6553;##-------------------------------------------------------------------------- events {use epoll;worker_connections 5120;multi_accept on;} ##-------------------------------------------------------------------------- http {include mime.types; #include secure/limit_zone.conf;default_type application/octet-stream;server_tokens off;server_names_hash_bucket_size 128;client_header_buffer_size 512k;client_body_buffer_size 1024k;large_client_header_buffers 4 32k;client_max_body_size 50m;sendfile on;tcp_nopush on;keepalive_timeout 300;tcp_nodelay on; ##--------------------------------------------------------------------------fastcgi_connect_timeout 300;fastcgi_send_timeout 300;fastcgi_read_timeout 300;fastcgi_ignore_client_abort on;fastcgi_buffer_size 512k;fastcgi_buffers 6 512k;fastcgi_busy_buffers_size 512k;fastcgi_temp_file_write_size 512k;fastcgi_next_upstream error timeout invalid_header http_500 http_503 http_403; ##--------------------------------------------------------------------------gzip on;gzip_min_length 1k;gzip_buffers 4 16k;gzip_http_version 1.1;gzip_comp_level 4;gzip_types text/plain application/javascript application/x-javascript text/javascript text/css application/xml application/xml+rss;gzip_vary on;gzip_proxied expired no-cache no-store private auth;gzip_disable "MSIE [1-6]\.";proxy_connect_timeout 3;proxy_read_timeout 60;proxy_send_timeout 60; ###--------------------------------------------------------------------------log_format main '$remote_addr - $remote_user [$time_local] "$request"''$status $body_bytes_sent "$http_referer"''"$http_user_agent" "$http_x_forwarded_for"'; ##-------------------------------------------------------------------------- upstream myfastcgi {ip_hash;server 192.168.0.32:9000 weight=1; } ##-------------------------------------------------------------------------- include vhost/*.conf;log_format json '{ "@timestamp": "$time_local", ''"@fields": { ''"remote_addr": "$remote_addr", ''"remote_user": "$remote_user", ''"body_bytes_sent": "$body_bytes_sent", ''"request_time": "$request_time", ''"status": "$status", ''"request": "$request", ''"request_method": "$request_method", ''"http_referrer": "$http_referer", ''"body_bytes_sent":"$body_bytes_sent", ''"http_x_forwarded_for": "$http_x_forwarded_for", ''"http_user_agent": "$http_user_agent" } }';access_log /var/log/nginx/access_json.log json; } ##--------------------------------------------------------------------------

轉載于:https://blog.51cto.com/qiuyt/2152810

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