[rrd-users] Re: 95th percentile

[Bill Sandiford]

I struggled to get the 95th percentile working for a few weeks and then gave up, and then I found a post from Colin Percival.
He is a student that wrote a bunch of cool scripts to do 95th percentile and other things (GB transferred etc) with rrd.  He is a
student so he requests $25 for the scripts.  I paid him for them and they work great.  He even helped me with some weird setup
issues I had (the problems were my fault, not his scripts)....give him a try if you want and easy and quick solution to the 95th
problem.  I value my time at over $100 and hour and I spent hours trying to get it to work.  The $25 was well worth it.

I've attached a sample rrd graph to show what it can do.

He can be contacted at colin.percival at wadham.ox.ac.uk .

Bill
----- Original Message -----
From: "Stephan Harren" <sh at abovenet.de>
To: "Tony" <rrdtool at cerbernet.co.uk>; <rrd-users at list.ee.ethz.ch>
Sent: Wednesday, April 23, 2003 9:02 AM
Subject: [rrd-users] Re: 95th percentile


> That usually depends on how you stored your data (do you still have all
> 5-minute-values or did you consolidate?). IMHO the best way to do this is to
> write a little perl script that fetches the data out of the rrd and
> calculates the 95th percentile.
>
> Best regards,
>
> Stephan
>
> Am Mittwoch, 23. April 2003 14:54 schrieb Tony:
> > I want to find out the 95th percentile of a months worth of data.
> > Is it possible maybe using fetch somewhere to get the last months data,
> > take out the top 5% of the data and then work out the average of the
> > remaining 95%?
> >
> > Thanks in advance
> >
> > Tony
> >
> >
> >
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