rrd_update Updates the RRD database &reftitle.description; boolrrd_update stringfilename arrayoptions Updates the RRD database file. The input data is time interpolated according to the properties of the RRD database file. &reftitle.parameters; filename RRD database file name. This database will be updated. options Options for updating the RRD database. This is list of strings. See man page of rrd update for whole list of options. &reftitle.returnvalues; Returns &true; on success, &false; when error occurs.