8.5 Summarizing Checks with check_multi

There are various reasons for grouping different checks into a single one. On one hand it simplifies work for Nagios, because the system now only needs to manage 1,000 procedures instead of maybe 20,000—this increases performance significantly in many cases. If you summarize checks remotely, Nagios now performs 1 instead of 20 network queries, which results in better network performance. The Nagios administrator may also have an easier time, as the configuration is more concise.

The method originally planned for load distribution and reducing checks was via distributed Nagios instances. There are certainly productive installations in which a Nagios instance performs only 50 checks and transmits these to a ...

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