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From Brian Akins <>
Subject Re: [PATCH] Re: Pluggable mod_log_config
Date Thu, 06 Oct 2005 19:49:10 GMT
Colm MacCarthaigh wrote:

> If httpd writes a complete line, to any kind of a file descriptor,
> anything beyond that is out of our control and becomes a question of the
> quality of the piped logger, filesystem or whatever else is on the other
> side of that file-descriptor.

Maybe I'm just being difficult, but I'm still not sold on it :)  While I 
  understand all that you wrote, the possibilities of getting "partial 
line" with normal piped logs irks me.  Maybe it's just a personal thing...

I prefer to have something like:

length of message, message, sync bit

(message could be many log lines)

That way it's easy to ensure you get complete log entries and detect 
when you don't.  I could write a piped logger that did this, but I'd 
have to detect when the lines begin and end and mod_log_config already 
knows that.

Yes, for 90+% of the time, piped logs are great.

Brian Akins
Lead Systems Engineer
CNN Internet Technologies

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