Nagios Support Forum

There is still an outstanding "bug". You can track it at https://github.com/NagiosEnterprises/nagioscore/issues/280. I know it's confusing that it's a Core bug, but XI uses Core under the hood. An upgrade should also work, but your version of XI is old enough that an upgrade will probably...

The Availability report is a single threaded report and when it runs, the CPU Usage will be very high because of this. Here are some suggestions for making the report run quicker it to add more CPU's to the system, and to run the server on faster hard drives. Try that and see if it helps out. If yo...

One thing you can try is to edit the /etc/php.ini file and change the following setting from memory_limit = 128M to memory_limit = 512M Save the file and restart apache by running service httpd restart Let us know if this helps out on how long the report takes to run but the running of the reports ...

No dear this is Nagios XI what i am using not Nagios core and by using Nagios XI there is Availble Reports which run Avail.cgi,

No of hosts is 716 host and No of services is 4280 and i have 16G for Ram and CPU 8 Core

Dears I have a performance issue with availability report as CPU usage using top utility reached to 99% and sometimes 100% to process avail.cgi and also this cost much time. so I searched a lot and find out that avail.cgi is parsing files in archive directory /usr/local/nagios/var/archives/ to get t...