Prediction

[mark]

I think that would be a useful feature. I think howerver instead of just 
"prediction" we should talk more about growth and capacity planning. 
Prediction may be confused with failure prediction. With the recent 
discussions around APAN, Orca, rrd, etc, etc. I can see that prediction 
could be implemented in the performance graphing arena. For example, if 
you are graphing the historical trend of a metric, it should be reasonable 
that you could extrapolate that line out into the future. Of course the 
more history you have, the more likely that projection is to be accurate. 

Interesting idea. Jim, I know you've been looking at jgraph, is it capable 
of extrapolation? If not, does anyone else know of a plotting package that 
is? Maybe phplot or gnuplot? 

Mark

On Thu, 17 Apr 2003, Steve Freegard wrote:

> Hello,
> 
> I've had an idea for a useful plug-in: prediction - e.g. Based on current
> hourly/daily/weekly/monthly usage, how many hours/days/months/years will it
> take for a device (e.g. disk/avg.cpu/avg. memory/avg. bandwith) to run out
> of capacity or reach a set value (e.g. 80% avg cpu usage), and to be able to
> set warning and critical values based on this.
> 
> I'm not really sure how to implement this as it would obviously have to hold
> the history from another plug-in and be able to work out an average value
> over a timeperiod and then multiply the value until it reaches a maximum.
> 
> Anyone else think that this might be useful - or has anyone already
> implemented this? or have any thoughts about how best to go about
> implementing this?
> 
> Kind regards,
> Steve
> 
> --
> Steve Freegard
> Systems Manager
> Littlehampton Book Services Ltd.
> 
> 
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