我在 Rails 2.3.2 上有一个小型应用程序,使用 nginx+thin(127)。操作系统 FreeBSD 7.1,数据库 - Posgresql。
Twise 在这周我的应用程序已经下降。在日志中,我得到类似(每秒约 2-50 个请求):
/!\ FAILSAFE /!\ Mon Oct 04 20:13:55 +0300 2010
Status: 500 Internal Server Error
bad content body
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/utils.rb:311:in `parse_multipart'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/request.rb:125:in `POST'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/request.rb:428:in `request_parameters'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/request.rb:381:in `parameters'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:1279:in `assign_shortcuts'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:518:in `process_without_filters'
或者:
/!\ FAILSAFE /!\ Tue Nov 09 09:24:39 +0200 2010 状态:500 内部服务器错误 IP 欺骗攻击?!HTTP_CLIENT_IP="XX.XX.XX.XX" HTTP_X_FORWARDED_FOR="192.168.XX.XX, YY.YY.YY.YY"
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/request.rb:229:in `remote_ip'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:1372:in `request_origin'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:1304:in `log_processing_for_request_id'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:1296:in `log_processing'
/usr/home/../../history/vendor/rails/actionpack/lib/action_controller/base.rb:522:in `process_without_filters'
在该系统进入最大打开文件限制后(我猜它是由 postgesql 会话打开的),postgresql 无法建立新连接并且应用程序失败。
任何建议,我如何保护我的sspp在这种情况下?