[rrd-users] Web log graphing

Erik de Mare erik at oezie.org
Tue Jun 19 22:06:39 CEST 2007

there are several ways to do it,
* with server-status(maybe it need to be patched)
* tail the logfile(access_log)
* use an other module for apache mod_watch(also shows traffic by virtual 
* or add an firewall rule to count the traffic.


Geoff Garside schreef:
>> -----Original Message-----
>> From: rrd-users-bounces at lists.oetiker.ch [mailto:rrd-users-
>> bounces at lists.oetiker.ch] On Behalf Of Simon Hobson
>> Sent: 19 June 2007 16:05
>> To: rrd-users at lists.oetiker.ch
>> Subject: Re: [rrd-users] Web log graphing
>> Geoff Garside wrote:
>>> You should be able to get the bytes of each request from the access log,
>> it
>>> should be the 7th field in the standard combined log format (%b)
>>> "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\""
>>> though the %r field will require a bit more care as you can't just split
>> on
>>> spaces as the %r will have something like "GET /index.html HTTP/1.0" in
>> it.
>> Does Apache have the ability to write two logs, the standard one,
>> plus a second with just the information (domain & bytes) required for
>> graphing ? That would save effort parsing the log file that may have
>> awkward spaces and stuff in filenames.
> Certainly, you can specify your own log format using something like
> LogFormat "%V %b" parseable
> CustomLog /var/log/httpd/domain.com-parseable_log parseable
> You can add the new custom log type alongside the existing combined log
> format.
> That should give you a log with
> 	domain.com 324
> or something of that ilk on each line as well as a timestamp prefix.
> Regards,
> Geoff Garside
> OpenHosting Ltd
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