Critical memory usage.

[netaura]

Hi guys,
We are having problem with nagios monitoring memory usage on one of our nodes.

On the node :total used free shared buff/cache available
Mem: 2848 178 1902 8 767 2506
Swap: 2047 0 2047

While the service monitoring in nagios is:
CRITICAL - 5168 / 2848 MB (%) Free Memory, Used: 182 MB, Shared: 8 MB, Buffers: 764 MB, Cached: 2502 MB

Pls can anyone offer an help?

[tgriep]

Can you post which plugin you are using and how the check is configured in XI?

[netaura]

We are using the regular linux server wizard and the default memory usage plugging that comes with it.
Other services monitor ok, except the memory usage metric.
Thanks!

[gormank]

if this is an RHEL/Centos 6 or 7 box you might check if slab is using memory...

grep -i reclaim /proc/meminfo

[Box293]

What Operating System is the remote machine running and what version is it?

Can you please post how the check is configured in XI.

I suspect this post may fix your issue:

https://support.nagios.com/forum/viewto ... ry#p186221

[netaura]

It's Linux rhel7....
Here is how the check is being configured; check_nrpe!check_mem!-a '-w 20 -c 10'!!!!!!
We used the default memory usage metric.
Thanks!

[Box293]

I suspect this post may fix your issue:

https://support.nagios.com/forum/viewto ... ry#p186221

The updated plugin in that post *should* fix your issue.