A method comprises a plurality of operations. An operation is performed for loading an entire configuration information dataset from a configuration information source onto a first collector system of each one of a plurality of collector groups. The configuration information at least partially defines a manner in which operational statistics for a network node are collected. An operation is performed for loading the entire configuration information dataset from the first collector system of each one of the collector groups onto a second collector system of a respective one of the collector groups after the entire configuration information dataset is loaded onto the first collector system thereof.