The output is calculated based on the data it has. if there are only 100 data points, point 95 is the 95th value.

Note that the billing data isn't fitted into rigid 5-min timeslots either, on each poll it calculates a differential of both time and value from the previous measurement, so you can run it at any frequency you want (and so data isn't lost if you miss a polling cycle or three). This can make the graph look a bit odd at times.

There's a known bug where not all the graphs show the correct 95th line, it'll be fixed when I go back through and rewrite the old bits of that code.

The two test bills on the demo install seem to have the correct data, but those measurements come from the demo host itself. The polling may produce erratic results if it's being done on a network with any packet loss, but so long as it's all in the same datacentre that shouldn't matter.

adam.

On 29/09/2011 12:33, Mahomed Hussein wrote:

Hi

 

The accurate graphs seem to match the bar. It looks like it’s the text below the quick graphs that may be wrong. Looking at Cacti, I think the bar may actually be correct. I wonder if the fact that the customer only came in half way through the month may be skewing the figures.

 

4 more screenshots attached.

 

 

Kind regards,

 

Mahomed Hussein

Senior Operations Engineer

Custodian DataCentre

Tel:   

+44 (0)1622 230 382

Email:   

 Mahomed@CustodianDC.com

Web:   

www.CustodianDC.com

Status:   

status.CustDC.net



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From: observium-bounces@observium.org [mailto:observium-bounces@observium.org] On Behalf Of Adam Armstrong
Sent: 29 September 2011 11:59
To: Observium Network Observation System
Subject: Re: [Observium] 95th Billing is inaccurate

 

Hmm. Are the 'detailed' graphs in billing accurate too?

It's just the text and the percentage bar that's wrong?

adam.

On 29/09/2011 11:38, Mahomed Hussein wrote: 

Hi Nikolay
 
Thanks for the response. I have checked the port under devices in Observium and the 95th does not match the billing, but the traffic matches. We also graph the traffic on Cacti and that matches the traffic shown in observium but the 95th on Cacti is still far less than that on Observium. I have attached the ports screenshot and the cacti screenshot. Please let me know if you need any further info.
 
 
Kind regards,
 
 
 
Mahomed Hussein
Senior Operations Engineer
Custodian DataCentre
tel: +44 (0)1622 230382
email: Mahomed@CustodianDC.com
http://www.custodiandc.com/disclaimer.txt
 
-----Original Message-----
From: observium-bounces@observium.org [mailto:observium-bounces@observium.org] On Behalf Of Nikolay Shopik
Sent: 29 September 2011 11:24
To: Observium Network Observation System
Subject: Re: [Observium] 95th Billing is inaccurate
 
Mahomed,
 
Have you check what real ports 95th shows, not billing graphs?
 
On 29/09/11 13:54, Mahomed Hussein wrote:
Hi
 
We are having some more trouble with 95^th billing. It seems that even
on clients who are using very little (or nothing at all as they aren't
using the ports yet) are showing an over usage on their 95^th . Is
there an easy way to correct this? Will I have to clear the database
to fix this? I've pasted a screenshot below.
 
Any help will be sincerely appreciated.
 
Kind regards,
 
 
*Mahomed Hussein*
 
Senior Operations Engineer
 
**Custodian DataCentre <http://www.custodiandc.com/>
 
 
 
 
 
*Tel: *
 
 
 
*+44 (0)1622 230 382*
 
*Email: *
 
      *Mahomed@CustodianDC.com* <mailto:support@CustodianDC.com>
 
*Web: *
 
 
 
*www.CustodianDC.com* <http://www.custodiandc.com/>
 
*Status: *
 
 
 
*status.CustDC.net* <http://status.custdc.net/>
 
 
 
 
 
*
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