Nagios XI Hardware Requirements

Overview

This article provides general guidelines on the hardware requirements needed to run Nagios XI. As each IT infrastructure differs, the hardware requirements for monitoring can vary. For example, the guidelines below assume that you are running active checks. If you are utilizing a large number of passive checks, the requirements may be less than the guidelines below. 

Requirements

The table below provides hardware recommendations based on a node (host) to service ratio of 1:5, running checks on a 5 minute interval:

Monitored Nodes / Hosts	Monitored Services	Hard Drive Space	CPU Cores	RAM
50	250	80 GB	4	4 GB
100	500	120 GB	8	8 GB
> 500	> 2500	120 GB+	8+	8+ GB

Performance Enhancements

There are a number of modifications that you can make to Nagios XI in order to increase performance, and increase the number of checks you can run with your hardware.

You can learn more about maximizing XI performance here:

Maximizing Nagios XI Performance

Final Thoughts

For any support related questions please visit the Nagios Support Forums at:

http://support.nagios.com/forum/