1. Company development project online test, click on a page, first show the web page can not be displayed, and then jump to the target page, about 1.5 seconds
test server used nginx, Baidu related problems, did not find an effective way, has appeared for a week, there has been no
picture hung up, error code err_socket_not_connected, all test browsers will make an error
as shown in figure

nginx is configured as follows: 192.168.20.53 primary server

user www www;
worker_processes auto;

error_log / data/wwwlogs/error_nginx.log crit;
pid / var/run/nginx.pid;
worker_rlimit_nofile 51200;

events {

use epoll;
worker_connections 51200;
multi_accept on;
}

http {

include mime.types;
default_type application/octet-stream;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 1024m;
sendfile on;
tcp_nopush on;
keepalive_timeout 60;
server_tokens off;
tcp_nodelay on;

fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;

-sharpGzip Compression
gzip on;
gzip_buffers 16 8k;
gzip_comp_level 6;
gzip_http_version 1.1;
gzip_min_length 256;
gzip_proxied any;
gzip_vary on;
gzip_types
    text/xml application/xml application/atom+xml application/rss+xml application/xhtml+xml image/svg+xml
    text/javascript application/javascript application/x-javascript
    text/x-json application/json application/x-web-app-manifest+json
    text/css text/plain text/x-component
    font/opentype application/x-font-ttf application/vnd.ms-fontobject
    image/x-icon;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";

-sharpIf you have a lot of static files to serve through Nginx then caching of the files" metadata (not the actual files" contents) can save some latency.
open_file_cache max=1000 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;
open_file_cache_errors on;

default

upstream webserver
{
server 192.168.20.51 br 80;
server 192.168.20.52 br 80;
server 192.168.20.53 br 80;
}
server {

listen 80;
server_name _;
access_log /data/wwwlogs/access_nginx.log combined;
root /data/wwwroot/default;
index index.html index.htm index.php;

if (!-e $request_filename)
{
    rewrite ^/(mall|admin|circle|microshop|cms)/(.*)html$ /$1/index.php?$2;
}

location /nginx_status {
    stub_status on;
    access_log off;
    allow 127.0.0.1;
    deny all;

proxy_pass http://webserver;

    }
location ~ [^/]\.php(/|$) {
    -sharpfastcgi_pass remote_php_ip:9000;
    fastcgi_pass unix:/dev/shm/php-cgi.sock;
    fastcgi_index index.php;
    include fastcgi.conf;

    fastcgi_param PATH_INFO $request_uri;

    }
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|flv|ico)$ {
    expires 30d;
    access_log off;
    }
location ~ .*\.(js|css)?$ {
    expires 7d;
    access_log off;
    }

}

vhost

include vhost/*.conf;

}