Gets the current value of a given data source in an RRD file
'RRDPoller' lets users poll RRD files and get the current value of a given data source. It also implements advanced checks which use past values to decide if the current one is out of threshold or not. 'RRDPoller' is meant to form the interface between an existing monitoring system like and a set of RRD graphs generated by specialized data collectors such. Thus, you can build a very modular monitoring/trend architecture without needing double polling.
6 December 2004
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