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output of "ps -ef | grep bin/nag": nagios 15371 1 1 17:47 ? 00:00:01 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg nagios 24914 15371 0 17:48 ? 00:00:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg nagios 24926 15371 0 17:48 ? 00:00:00 /usr/local/nagi...

The output varies a lot. PID COMMAND %CPU %CPU USER NI CPU PID COMMAND 14782 httpd 3.9 3.9 apache 0 - 14782 /usr/sbin/httpd 14966 php 3.5 3.5 nagios 0 - 14966 /usr/bin/php -q /usr/local/nagiosxi/cron/eventman.php 14894 httpd 3.5 3.5 apache 0 - 14894 /usr/sbin/httpd 14893 httpd 3.5 3.5 apache 0 - 148...

Very low wait, usually between 0 and 5%.

The hardware running Nagios is an Intel Xeon X5650 (1 core) with 741MB of RAM.

top says not much, it's mostly a lot of check_ifopersta with around 1% CPU each and apache httpd processes.

Yes, almost all the hosts are switches with ping and port status + bandwidth checks.
Server is running in a CentOS 6.3 VM.

Hello, Back again (http://support.nagios.com/forum/viewtopic.php?f=6&t=9711) with another issue, this time regarding high loads (100+) on my Nagios Server. Everything is running at crawl speed, even commands via SSH have a very noticeable delay. Here's the nagiostats output not long after I rest...

That seemed to work, many thanks!

Christophe

Hello, I'm suddenly having trouble saving my configuration after adding hosts, editing and/or deleting services. Everything worked for weeks. Configurations failed to write to file. All snapshots seem to be okay. I have the following setup: System: Nagios XI Version : 2012R1.5 nagios.dc-******** 2.6...