Ruby on rails 乘客及;Nginx=>;502生产中的网关错误
我运行的是Nginx 1.0.6、Passenger 3.0.9、Rails 3.1.1、Ruby 1.9。在我的生产环境中,我在nginx_error.log文件中看到以下间歇性警告: 2011/11/22 14:44:40[警告]23288#0:*474上游响应是 缓冲到临时文件/opt/nginx/proxy_temp/2/00/0000000002 读取上游时,客户端:69.172.88.178,服务器: www.memverse.com,请求:“获取/显示所有我的诗篇HTTP/1.1”, 上游:“乘客:unix:/passenger\u helper\u服务器:”,主机: “www.memverse.com”,推荐人: 并且,导致502坏网关的以下错误发生的频率较低: 2011/11/21 15:35:20[错误]2118#0:*60762上游提前关闭 从上游读取响应头时的连接,客户端: 74.125.44.84,服务器:www.memverse.com,请求:“GET/blogs/feed/9 HTTP/1.1”,上游:“passenger:unix:/passenger\u helper\u server:”,主机: “www.memverse.com” 我已经浏览了Passenger和Nginx文档,并调整了Nginx.conf文件中的几乎所有设置,但都没有用。我希望至少有人能给我指出正确的方向 下面是我的nginx.conf:Ruby on rails 乘客及;Nginx=>;502生产中的网关错误,ruby-on-rails,ruby-on-rails-3,ruby-on-rails-3.1,nginx,passenger,Ruby On Rails,Ruby On Rails 3,Ruby On Rails 3.1,Nginx,Passenger,我运行的是Nginx 1.0.6、Passenger 3.0.9、Rails 3.1.1、Ruby 1.9。在我的生产环境中,我在nginx_error.log文件中看到以下间歇性警告: 2011/11/22 14:44:40[警告]23288#0:*474上游响应是 缓冲到临时文件/opt/nginx/proxy_temp/2/00/0000000002 读取上游时,客户端:69.172.88.178,服务器: www.memverse.com,请求:“获取/显示所有我的诗篇HTTP/1.1”
user root;
worker_processes 4;
error_log logs/error.log error; # debug | info | notice | warn | error | crit
pid logs/nginx.pid;
events {
worker_connections 1024; # max_clients = worker_processes * worker_connections
}
http {
include mime.types;
default_type application/octet-stream;
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log logs/access.log main;
sendfile on;
keepalive_timeout 65;
# Configure Passenger
passenger_root /usr/local/lib/ruby/gems/1.9.1/gems/passenger-3.0.9;
passenger_ruby /usr/local/bin/ruby;
passenger_log_level 1;
passenger_debug_log_file /home/avitus/logs/passenger.log;
rails_framework_spawner_idle_time 0;
rails_app_spawner_idle_time 0;
passenger_pool_idle_time 0;
passenger_use_global_queue on;
passenger_max_pool_size 15;
server {
listen 80;
server_name www.pariday.com pariday.com;
root /home/avitus/pariday.com/current/public;
access_log /home/avitus/pariday.com/current/log/nginx_access.log main;
error_log /home/avitus/pariday.com/current/log/nginx_error.log info;
passenger_enabled on;
}
server {
listen 80;
server_name www.assetcorrelation.com assetcorrelation.com;
root /home/avitus/assetcorrelation.com/current/public;
access_log /home/avitus/assetcorrelation.com/current/log/nginx_access.log main;
error_log /home/avitus/assetcorrelation.com/current/log/nginx_error.log info;
passenger_enabled on;
}
server {
listen 80;
server_name localhost;
location / {
root html;
index index.html index.htm;
}
}
}
我已经在这个问题上被难倒了几天了,所以任何帮助都将不胜感激。老实说,如果有人能解释这两个警告/错误的含义,这将是有帮助的。第一个问题(“上游响应缓冲到临时文件”)是由一些包含大量内容的页面引起的,通过增加缓冲区大小来解决,如下所示:
proxy_buffers 8 16k;
proxy_buffer_size 32k;
passenger_buffers 8 16k;
passenger_buffer_size 32k;
通过增加服务器上的内存并将乘客切换到保守的繁殖模式,解决了第二个问题(“上游在从上游读取响应头时过早关闭连接”)。(这似乎与使用一个旧的Ruby gem试图运行后台作业密切相关。)对我来说,帮助丑陋黑客在备份服务器的同一上游使用nginx retry 502
upstream backend {
server a.example.net;
server a.example.net backup;
}
server {
listen 80;
server_name www.example.net;
proxy_next_upstream error timeout http_502;
location / {
proxy_pass http://backend;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-for $remote_addr;
}
}
你有没有想过?