Nagios Support Forum

Hi, from what i know Linux is implementing KPTI (Kernel Page Table Isolation) to mitigate the Meltdown variant of the exploit. This will in general don't cause significant performance degradation if the processes on the system mostly stay in userspace. Due to how Nagios operates with a lot of proces...

The spikes are also gone in our environment. I noticed since the update that the check intervals are not precise anymore: For example: 1 minute interval 1min.png Sometimes they have a variance and after the check they get scheduled exactly again: 5min.png Is this per design or is something wrong goi...

Well, an IP confliction could do that, seen DNS controllers reboot cause hugh spikes too because it clogs the queue execution and hope that this resolved your issue. However I posted my finding under your thread for general public reading in the customer forum and potentially help you and others. I...

Well we have Fujitsu blades, other machines on same esx server would have same symptoms. And why isn't this behaviour seen before the upgrade....? Odd. It could be changes in the Core 4 scheduler functions. Our core devs are working on it, but as the gap of time between issues is so large, it will ...

Hello,

Nagios 2014 R1.2.

There is no performance graph if the service name containes a ":"
I renamed the service without a ":" in the name an the perfgraph shows up again:
Kind regards

SDK

SDK, what kind of hardware do you have dedicated to this VM? CPU's, core's/cpu, memory, what type of disks/drives. Also, is this 32-bit or 64? And RHEL or CENTOS? What version of the distro? Hi slansing, it is a 4 vCPU 4 GB RAM CentOS 6.4 32Bit virtual machine. The storage array behind it is really...

We have the same problem in our environment since the upgrade to 2014 R1.1, only the interval is different I have tried to track the problem down, but was unsuccessful in doing so. The only thing i saw was an increased sys usage of the OS and increased overall procs. To fix this problem is to restar...

Seems i found the error myself, the check_rrdtraf srcipt has a bug in it ,when you are using "B" label for the Bandwidth set_label(){ case $2 in B | b) LABEL=" " DIV="1" ;; K | k) LABEL="K" DIV="1000" ;; I corrected this issue set_label(){ case $2 in...

Hello Nagios support, i have updated from 2012R2.9 to 2014R1.1 without problems. All perfgraphs are working properly except the MRTG Bandwidth graphs for all switches in our environment. Working Ping Graph for the switch: Ping_Work.png Not working Bandwidth: Bandwidth not working.png The check itsel...

tmcdonald wrote:Great. Can we close this thread up or was there more?

No close it up. Have a nice weekend