[rrd-users] Re: hourly displays but not daily

[David Coder]

i may be obtuse, but i don't see how that accounts for the fact that the daily
graph doesn't display *any* of the data of the hourly graph.  it's just blank.

david

On Mon, 14 Oct 2002, Serge Maandag wrote:

:Date: Mon, 14 Oct 2002 21:55:52 +0200
:From: Serge Maandag <serge.maandag at staff.zeelandnet.nl>
:To: David Coder <dcoder at verio.net>, rrd-users at list.ee.ethz.ch
:Subject: RE: [rrd-users] hourly displays but not daily
:
:Remember that the daily rra is an average of more than one primary data point.
:
:Consider this scenario:
:- The hourly graph uses 1 minute samples 
:- The daily graph uses 5 minute samples
:- The 1 minute samples alternate between 0 and 50
:
:In this scenario the daily graph will show samples of 20 ( =(0+50+0+50+0)/5 ).
:
:You can define a max rra instead of an average rra if that's more to your likings.
:
:Serge.
:
:-----Original Message-----
:From: David Coder [mailto:dcoder at verio.net]
:Sent: maandag 14 oktober 2002 20:52
:To: rrd-users at list.ee.ethz.ch
:Subject: [rrd-users] hourly displays but not daily
:
:
:
:
:having been away for a week i have found on my return that the "daily" graph
:does not reflect any of the data of the "hourly" graph on some interfaces.
:am i right in assuming that these graphs are constructed from the same rrd's? 
:if so, what could account for this anomaly?
:
:david
:
:
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