[mrtg] Re: WithPeak[Hostname]: ymwd

Daniel J McDonald dan.mcdonald at austinenergy.com
Wed Nov 2 16:00:36 MET 2005

On Wed, 2005-11-02 at 09:09 -0500, PAUL WILLIAMSON wrote:
> >>> "Kangatheran, Bharathan" <BKangatheran at pta.wa.gov.au> 11/02/05 1:58
> AM >>>
> > Hi - Probably a very simple question for most of you.
> > 
> > I have added "WithPeak[Hostname]: ymwd" as below
> > 
> > 1) On most graphs W,M,Y are logged - on some - only 
> > M and Y are logged.

This will change as more graphs are redrawn.  It depends a bit on your
front-end, but the caching algorithm tends to make those changes

> > 2) However, Peaks for daily Graphs are not logged for 
> > any of them ?
> That is because the peaks on the w,m and y graphs ARE 
> the maximum daily measurements within that sampling 
> period.  The daily graph doesn't have peaks because 
> the 5 minute data points are the only samples mrtg 
> has to work with.  It doesn't sample any more frequently, 
> so the max for that period is the 5 minute value.

If you set interval to 1 and use rrdtool/routers2, then peaks show up on
the daily graph, as the 6-hour graph becomes the baseline.
Daniel J McDonald, CCIE # 2495, CNX, CISSP # 78281
Austin Energy

dan.mcdonald at austinenergy.com

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