Hi,


I have some large TV screens where we monitor network traffic. So we want to see a the most recent traffic of course.


In the previous version of Observium it worked like a charm - I clicked whatever graph of traffic I was interested in and it updated every minute so I could see traffic throughout the day.


I don't want this to sound like a dumb question but what is the point of have the page refresh then - if the graph data isn't being refreshed?


Is there a way to cause Observium to behave as it did - the "rolling time-window" style?


Ian

From: observium <observium-bounces@observium.org> on behalf of Adam Armstrong <adama@memetic.org>
Sent: Thursday, 15 February 2018 1:51:37 a.m.
To: 'Observium'
Cc: 'Observium'
Subject: Re: [Observium] Graphs not showing most recent data when refreshing
 
Ohh, you mean on the graph browser page?

Aha. You didn't specify that originally, so I assumed you meant the line-of-four arrangement we use.

The graph browser has fixed times in the URL by design, this is so the UI doesn't change user selected time periods.

The graph browser won't show you an auto-refreshing rolling time-window. This was intentional!

What exactly are you trying to accomplish?

Adam.

Sent from BlueMail
On 14 Feb 2018, at 08:24, Ian Armstrong <Ian.Armstrong@weltec.ac.nz> wrote:

Hmmm...


I haven't modified anything. I installed it as per the instructions and added devices and that's all. As I say the previous version refreshed the graphs to show data relative to the current time.


Perhaps seeing is believing. The screenshot below shows server time and the graph. The graphs was displayed about 7 or 8 minutes before the screenshot. 


You can see that the graph ends at about 21:12, but the server time is after 21:20. You can also see the data presets are not for the last 6 hours. But I don't want to cloud the issue if the data presents value is irrelevant.


Any other thoughts perchance?


Ian



From: observium <observium-bounces@observium.org> on behalf of Adam Armstrong <adama@memetic.org>
Sent: Wednesday, 14 February 2018 1:29:45 p.m.
To: 'Observium'
Cc: 'Observium'
Subject: Re: [Observium] Graphs not showing most recent data when refreshing
 
Hi,

I'm not sure I understand the question.

The graph time periods are dynamically generated at each page load as relative to the current time.

There's no real scope for the behaviour you're describing unless you've modified something and broken how the graph timestamps are generated.

Adam.

Sent from BlueMail
On 14 Feb 2018, at 00:18, Ian Armstrong <Ian.Armstrong@weltec.ac.nz> wrote:

Hi,


I have set Refresh pages to 1 minute and web pages are visibly refreshing, however, they do not show the latest data. The refresh just displays the same data between the "Data presets" value. It doesn't make sense to me: having a refresh but only showing the same data. The same problem is occuring for the Event Log display. 


I have checked around to see if I should be using a different value for Data Presets but they are all just for a particular time period. There is nothing for "Latest 6 hours" or some such this.


In an older version of Observium it worked fine. Graphs always refresh to show the latest data. It is only now that I have installed a new version (a fresh install not an upgrade) that this problem has appeared.


Many thanks for your help in advance. 


Version information is below.


Versions:

Observium CE 17.9.0 (25th September 2017)
OS Linux 4.4.0-62-generic [amd64] (Ubuntu 16.04)
Apache 2.4.18 (Ubuntu)
PHP 7.0.25-0ubuntu0.16.04.1 (OPcache: ENABLED)
Python 2.7.12
MySQL 5.7.17-0ubuntu0.16.04.1 (extension: mysqli 5.0.12-dev)
SNMP NET-SNMP 5.7.3
RRDtool 1.5.5


Ian


Ian Armstrong
Principal Academic Staff Member
School of Information Technology

DDI: +64 4 830 3055 
Email: ian.armstrong@weltec.ac.nz
URL: www.weltec.ac.nz

WelTec
Private Bag 39803, Lower Hutt 5045
Wellington, New Zealand

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