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Re: Supporting access_log to a pipe?

June 17, 2009 01:27PM
On Wed, Jun 17, 2009 at 11:53:27AM -0400, wesleywu wrote:

> I need to monitor access log in a separated application, to identify frequent visits like DoS attack.
>
> Now I'm using apache httpd. CustomLog directive of httpd (equivalent to access_log directive in Ngnix) supports write log lines to the stdin of a piped application.
>
> Quote from http://httpd.apache.org/docs/2.2/mod/mod_log_config.html
>
> Syntax: CustomLog file|pipe format|nickname environment-variable]
> pipe
> The pipe character "|", followed by the path to a program to receive the log information on its standard input.
>
>
> Will Ngnix support this feature? Or is there any solution to monitor every log line of access_log?

No, nginx will not support logging to a pipe since this is simlpy waste of CPU.
You may try
tail -F /path/to/log | app
This is almost the same waste of CPU as piped log.


--
Igor Sysoev
http://sysoev.ru/en/
Subject Author Posted

Supporting access_log to a pipe?

wesleywu June 17, 2009 11:53AM

Re: Supporting access_log to a pipe?

Igor Sysoev June 17, 2009 01:27PM

Re: Supporting access_log to a pipe?

wesleywu June 17, 2009 03:40PM

Re: Supporting access_log to a pipe?

Cliff Wells June 17, 2009 04:09PM



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