[rrd-users] Re: CDEF - creating a increasing series
ciaran.deignan at netcelo.com
Tue Sep 7 10:48:25 MEST 2004
Lars Rune Bjørnevik wrote:
>Thanks a million!
>It works perfect!
>Actually, this is an uptime display for a web server - not a trafficcounter... ;-)
>When I query the web, I get 1=up, 0=down
>A sum of this responce, divided by a sum of "ones" gives the uptime!
Actually I was using this technique to calculate uptime, but I stopped,
because I still don't understand steps and pixel sizes (Alex's
my eyes water...)
Anyhow, my RRD object contains a "time since last ping", and I calculate
Here (0 <= PingTime <= 361) - undef means the ping-ing process was absent...
hope this helps
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