Question

我在我的网络服务器上使用捆绑Nginx + Gunicorn + Pserve（金字塔）来运行多个站点。确切地说，现在只有两个站点在工作。如果我把它正确 Nginx 侦听 80 端口并在5000和5010端口上代理对Gunicorn的请求，这是我的nginx配置两个域：

# $ cat cat /etc/nginx/sites-available/domain1.ru
upstream domain1.ru {
    server 0.0.0.0:5000;
    server 0.0.0.0:5001;
}

server {
    listen 80;
    server_name www.domain1.ru domain1.ru;
    error_log  /var/log/nginx/domain1.ru.error.log;
    access_log  /var/log/nginx/domain1.ru.access.log;

    location / {
        try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
        proxy_set_header        Host $http_host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        X-Forwarded-Proto $scheme;

        client_max_body_size    10m;
        client_body_buffer_size 128k;
        proxy_connect_timeout   60s;
        proxy_send_timeout      90s;
        proxy_read_timeout      90s;
        proxy_buffering         off;
        proxy_temp_file_write_size 64k;
        proxy_pass      http://127.0.0.1:5000;
        proxy_redirect          off;
    }
}


# $ cat cat /etc/nginx/sites-available/domain2.ru
upstream domain2.ru {
    server 0.0.0.0:5010;
    server 0.0.0.0:5011;
}

server {
    listen 80;
    server_name www.domain2.ru domain2.ru;
    error_log  /var/log/nginx/domain2.ru.error.log;
    access_log  /var/log/nginx/domain2.ru.access.log;

    location / {
        try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
        proxy_set_header        Host $http_host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header        X-Forwarded-Proto $scheme;

        client_max_body_size    10m;
        client_body_buffer_size 128k;
        proxy_connect_timeout   60s;
        proxy_send_timeout      90s;
        proxy_read_timeout      90s;
        proxy_buffering         off;
        proxy_temp_file_write_size 64k;
        proxy_pass      http://127.0.0.1:5010;
        proxy_redirect          off;
    }
}

这两个网站运行良好，但当我添加相同的配置，除了将端口更改为5015和5016出错了。当我刚刚开始 pserve 进程时，我收到了一个错误：

$ pserve production.ini --reload --log-file=domain3.ru-pserve.log
Starting subprocess with file monitor
Traceback (most recent call last):
  File "/var/www/eba/data/gs/env/bin/pserve", line 9, in <module>
    load_entry_point('pyramid==1.4.5', 'console_scripts', 'pserve')()
  File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/pkg_resources.py", line 378, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/pkg_resources.py", line 2566, in load_entry_point
    return ep.load()
  File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/pkg_resources.py", line 2260, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/pyramid/scripts/pserve.py", line 28, in <module>
    from pyramid.compat import WIN
  File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/pyramid/compat.py", line 114, in <module>
    from urllib2 import urlopen as url_open
  File "/var/www/eba/data/gs/env/opt/Python-2.7.3/lib/python2.7/urllib2.py", line 94, in <module>
    import httplib
  File "/var/www/eba/data/gs/env/opt/Python-2.7.3/lib/python2.7/httplib.py", line 69, in <module>
    from array import array
ImportError: /var/www/eba/data/gs/env/lib/python2.7/lib-dynload/array.so: cannot open shared object file: Too many open files in system

当我再次运行pserve时，我又遇到了另一个错误，这里只是最后几行：

File "/var/www/eba/data/gs/env/opt/Python-2.7.3/lib/python2.7/random.py", line 70, in <module>
    import _random
ImportError: /var/www/eba/data/gs/env/lib/python2.7/lib-dynload/_random.so: cannot open shared object file: Too many open files in system

下一次 - 另一次：

File "/var/www/eba/data/gs/env/lib/python2.7/site-packages/paste/deploy/loadwsgi.py", line 3, in <module>
    from __future__ import with_statement
ImportError: No module named __future__

事情是，如果我关闭了第二个网站并在第3次再次运行pserve - 它运行正常。

我不知道它必须有什么限制。也许是因为我在〜/ gs / env 文件夹中使用一个环境运行所有应用程序。端口 5015 和 5016 是免费的。

Answer 1

这听起来像是在一个非常大的文件夹中使用--reload的问题。尝试删除该参数，因为您无论如何都不应该在生产环境中使用它。

Answer 2

这是服务器问题。我只是耗尽了所有可用的记忆。对于三个php网站（mod-fpm）和三个金字塔网站以及mongo来说，512Mb是不够的。第一个错误是关键 - 系统中打开的文件过多。

ulimit -a 向我展示了1024个可用文件，但增加该值没有结果。因此，我将关税计划改为1024Mb，现在已经足够了 - 所有工作都很好而且速度很快。

使用Nginx + Pyramid + Gunicorn无法在两个站点上运行

2 个答案: