[rrd-users] Re: Probleme with jauge type

[Serge Maandag]

Yes,

it's a well known issue. It's documented on the rrdtool website in the
manual (and/or) in the tutorial. Use an RPN to filter out values above
100%.

Serge.

b.t.w., cpu usage as a counter? Seems more like a gauge to me. Those do
not suffer from missed polls.

-----Original Message-----
From: Un L'Unique [mailto:un at pebble.2y.net]
Sent: dinsdag 12 februari 2002 22:48
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Probleme with jauge type


Hello,

I am searching why I have lots of "strange" ( I.e: way to high) average
in my rrd database.
I may have found something.
As I understand counter DS handle counter overflow: try to detect
counter overflow and adding max value to the new "little" value.
Thats look fine. But what happend when counter really reset ? ( router
reboot for example).I don't see any way for rrd to guess this is a reset
and not a counter overflow.

It seems this "false counter overflow" scramble ( average of 7E8 %CPU
usage)  my data each time my computer reboot.

Any idea ?


Un


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