Have you set values for the number of processes in the config file?
Maarten
From: 
observium <observium-bounces@observium.org> on behalf of Arnoldo Vidal Bravo <arnoldo.vidal@pucv.cl>
Reply-To: Observium <observium@observium.org>
Date: Wednesday, January 10, 2018 at 1:06 PM
To: "observium@observium.org" <observium@observium.org>
Subject: [Observium] graphs
Hi, 
We are using Observium SE
| 
 Observium  | 
 17.11.8960 (29th November 2017)  | 
| 
 OS  | 
 Linux 2.6.32-696.16.1.el6.x86_64 [amd64] (CentOS 6.9)  | 
| 
 Apache  | 
 2.2.15 (CentOS)  | 
| 
 PHP  | 
 7.0.24 (OPcache: ENABLED)  | 
| 
 Python  | 
 2.6.6  | 
| 
 MySQL  | 
 5.1.73 (extension: mysqli 5.1.73)  | 
| 
 SNMP  | 
 NET-SNMP 5.5  | 
| 
 RRDtool  | 
 1.6.0  | 
We have a server (Mysql+rrd+apache) and 419 devices monitored, but not showas the graphs, it says NAN. There any reason for this?
Cron job is setup
# Run multithreaded poller wrapper every 5 minutes
*/5 * * * * root /opt/observium/poller-wrapper.py  >> /dev/null 2>&1
-- 
Saluda cordialmente