Nagios Support Forum

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Any thoughts on what the issues are for this?
Flatline graphs have recently started and narrowing it down is getting complicated
NagiosVM CPU usage is constantly at 35% according to vCenter out of 8 cores available to it

Searching for flatlines brings up these discussions which has revealed some troubles below:
https://support.nagios.com/forum/viewto ... 16&t=40421
https://support.nagios.com/forum/viewto ... 16&t=60379

[root@nagios]# LANG=C LC_ALL=C /usr/bin/mrtg
Usage: mrtg <config-file>
mrtg-2.17.4 - Multi Router Traffic grapher

LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg

Lots of this
2021-10-08 16:40:15: WARNING: Expected a number but got 'noSuchInstance'

Then it has these lines:
Problem for ifHCInOctets.90 ifHCOutOctets.90 on snmpString123@123.456.789.10:161::::2:v4only: No response from remote host "123.456.789.10" at /usr/bin/../lib/mrtg2/Net_SNMP_util.pm line 594.
Net_SNMP_util::snmpget('snmpString123@123.456.789.10:161::::2:v4only', 'HASH(0x3f3efe8)', 'ifHCInOctets.90', 'ifHCOutOctets.90') called at /usr/bin/mrtg line 2331
main::getsnmparg('HASH(0x1fc91a0)', 'HASH(0x3f42f98)', 'HASH(0x1eb6a70)', 'HASH(0x236b948)') called at /usr/bin/mrtg line 2511
main::readtargets('HASH(0x1fc91a0)', 'ARRAY(0x20529b0)', 'HASH(0x1eb6a70)') called at /usr/bin/mrtg line 404
main::main called at /usr/bin/mrtg line 144
2021-10-08 16:40:15: WARNING: skipping because at least the query for ifHCInOctets.90 on 123.456.789.10 did not succeed
2021-10-08 16:40:15: WARNING: no data for ifHCInOctets&ifHCOutOctets:snmpString123@123.456.789.101. Skipping further queries for Host 123.456.789.101 in this round.

Hello @NagioMon2021

Thanks for reaching out, sounds like you have already looked over the support Documentation on related issues.

Want to go ahead and get the System Profile from you so we can see what is going on.

To send us your system profile.

• Login to the Nagios XI GUI using a web browser.
• Click the "Admin" > "System Profile" Menu
• Click the "Download Profile" button
• Save the profile.zip file and send via PM (Private Message)

Also, want to also get these as well:
Thanks,
Perry


Thanks,
Perry