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Nagios, 2nd Edition by Wolfgang Barth

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Chapter 19. Graphic Display of Performance Data

When Nagios reports to the administrator quickly and selectively on problems that have occurred, it can basically only distinguish between OK states and error states, sparing the admin a flood of information on problematic services and hosts. The graphic display of measured values over a time period cannot be integrated into this "traffic light approach," but it is available through third-party software. Nagios supports external processing of values with an interface created specifically for this. The data processed through it is referred to in Nagios jargon as performance data.

Nagios has two different classes of performance data. The first is Nagiosinternal performance data, statistics on the performance ...

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