最近实现了一个http的接口 ~ http的方式，访问结果为json
nginx做负载，web分离，url转发 ~
tornado做数据操作和异步调用lua的接口 ~
memcached做session的共享 (为啥不用redis做session，一方面是为了不和redis有kv冲突，服务器的中断冗余，更主要的方面是用redis存储session我没有做出来，郁闷呀。。。。)
redis做kv数据库和队列系统
后端的nginx lua是mysql的http方式的json展现接口
nginx 的配置大家都懂的,就是利用upstream负载。
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worker_processes 4;
error_log /var/log/nginx/error.log;
pid /var/run/nginx.pid;
events {
worker_connections 30000;
useepoll;
}
http {
charset utf-8;
# Enumerate all the Tornado servers here
upstream frontends {
server 127.0.0.1:8000;
server 127.0.0.1:8001;
server 127.0.0.1:8002;
server 127.0.0.1:8003;
}
include/path/to/nginx.mime.types;
default_type application/octet-stream;
access_log /var/log/nginx/access.log;
keepalive_timeout 65;
proxy_read_timeout 200;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
gzip on;
gzip_min_length 1000;
gzip_proxied any;
gzip_types text/plain text/css text/xml
application/x-javascript application/xml
application/atom+xml text/javascript;
# Only retry ifthere was a communication error, not a timeout
# on the Tornado server (to avoid propagating "queries of death"
# to all frontends)
proxy_next_upstream error;
server {
listen 80;
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