Nagios Support Forum

Hi team,

I have come to know that he plugin you have to monitor memory is not able to give extract cache memory from output (as there is not any OID for Memory used (extracting cache memory)) so now i"m using another plugin named check_centreon_memory (plugin is attached.) .

Now i"m not getting graphs from Nagios XI. Please find below details which can be helpful.

Output of ll /usr/local/nagios/share/perfdata/52.66.13.214-Test-DB-MCommerceDBProd/

[root@monitoring-nagiosxi libexec]# ll /usr/local/nagios/share/perfdata/52.66.13.214-Test-DB-MCommerceDBProd/
total 2648
-rw-rw-r--. 1 nagios nagios 384952 Sep 18 16:11 CPU_Usage.rrd
-rw-rw-r--. 1 nagios nagios 2323 Sep 18 16:11 CPU_Usage.xml
-rw-rw-r--. 1 nagios nagios 1534768 Sep 18 16:11 _HOST_.rrd
-rw-rw-r--. 1 nagios nagios 4200 Sep 18 16:11 _HOST_.xml
-rw-rw-r--. 1 nagios nagios 384952 Sep 18 16:11 Memory_Usage.rrd
-rw-rw-r--. 1 nagios nagios 2470 Sep 18 16:11 Memory_Usage.xml
-rw-rw-r--. 1 nagios nagios 384952 Sep 18 16:11 Swap_Usage.rrd
-rw-rw-r--. 1 nagios nagios 2360 Sep 18 16:11 Swap_Usage.xml


Output of tail -25 /usr/local/nagios/var/npcd.log

[root@monitoring-nagiosxi libexec]# tail -25 /usr/local/nagios/var/npcd.log
[10-12-2017 14:15:23] NPCD: WARN: MAX load reached: load 22.420000/10.000000 at i=1
[10-12-2017 14:15:38] NPCD: WARN: MAX load reached: load 23.440000/10.000000 at i=1
[10-12-2017 14:15:53] NPCD: WARN: MAX load reached: load 24.790000/10.000000 at i=1
[10-12-2017 14:16:08] NPCD: WARN: MAX load reached: load 28.210000/10.000000 at i=1
[10-12-2017 14:16:23] NPCD: WARN: MAX load reached: load 28.040000/10.000000 at i=1
[10-12-2017 14:16:38] NPCD: WARN: MAX load reached: load 27.670000/10.000000 at i=1
[10-12-2017 14:16:53] NPCD: WARN: MAX load reached: load 30.550000/10.000000 at i=1
[10-12-2017 14:17:08] NPCD: WARN: MAX load reached: load 33.490000/10.000000 at i=1
[10-12-2017 14:17:23] NPCD: WARN: MAX load reached: load 33.860000/10.000000 at i=1
[10-12-2017 14:17:38] NPCD: WARN: MAX load reached: load 34.630000/10.000000 at i=1
[10-12-2017 14:17:53] NPCD: WARN: MAX load reached: load 34.830000/10.000000 at i=1
[10-12-2017 14:18:08] NPCD: WARN: MAX load reached: load 38.370000/10.000000 at i=1
[10-12-2017 14:18:23] NPCD: WARN: MAX load reached: load 38.150000/10.000000 at i=1
[10-12-2017 14:18:38] NPCD: WARN: MAX load reached: load 38.250000/10.000000 at i=1
[10-12-2017 14:18:53] NPCD: WARN: MAX load reached: load 38.050000/10.000000 at i=1
[10-12-2017 14:19:08] NPCD: WARN: MAX load reached: load 37.640000/10.000000 at i=1
[10-12-2017 14:19:23] NPCD: WARN: MAX load reached: load 35.310000/10.000000 at i=1
[10-12-2017 14:19:38] NPCD: WARN: MAX load reached: load 33.280000/10.000000 at i=1
[10-12-2017 14:19:53] NPCD: WARN: MAX load reached: load 31.720000/10.000000 at i=1
[10-12-2017 14:20:08] NPCD: WARN: MAX load reached: load 32.180000/10.000000 at i=1
[10-12-2017 14:20:23] NPCD: WARN: MAX load reached: load 31.950000/10.000000 at i=1
[10-12-2017 14:20:38] NPCD: WARN: MAX load reached: load 30.820000/10.000000 at i=1
[10-12-2017 14:20:53] NPCD: WARN: MAX load reached: load 28.700000/10.000000 at i=1
[10-12-2017 14:21:08] NPCD: WARN: MAX load reached: load 28.650000/10.000000 at i=1
[10-12-2017 14:21:23] NPCD: WARN: MAX load reached: load 27.530000/10.000000 at i=1


I have also attached advanced tab of 2 memory services one with new plugin which have problem and another one with old plugin.

What i think is the output in performance tab is different that is why its not showing error if yes then please modify our attached script or give any script by which we can have output of actual ram utilization (excluding cache memory)

have you seen this link? https://support.nagios.com/kb/article/n ... blems.html

Thanks @tacolover101!

Take a look at the article to see some troubleshooting for performance graphs.

As for modifying the perl script, that is out of the scope of what we do here in the Nagios Support Forum.