[mrtg] Re: mrtg and billing WAS: Total bandwidth usage and My BIG problem

Rob Walker rob at valinux.com
Thu Oct 28 19:19:33 MEST 1999

>>>>> On Thu, 28 Oct 1999 10:44:13 -0500 (CDT), Chris Josephes
>>>>> <cjoseph at mr.net> said:

>> we plan on putting a one line hack into mrtg which will take every
>> sample and put it into a database (so we don't have to do two
>> queries per 5 minutes), and bring that out for billing information,
>> sorting, and lopping off the top 5%.

Chris> Someone I know of had a similar idea, except he was going to
Chris> subtract ifinerrors and ifouterrors from each target, and then
Chris> do a 95th percentile.

good point.

Chris> What about the idea of using MRTG with RRDTool, doing a RRD
Chris> dump of the file at the end of a month, and then going through
Chris> the data?

when does rrdtool compress the data?  I thought that every day it went 
through and dumped one day's worth down to the average samples, so
that it could keep the database down to a reasonable size for forever.


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