
DECLARE
var number(6,1);
BEGIN
    os                      :=  get_env('OS');
    number_of_processors    :=  get_env('NUMBER_OF_PROCESSORS');
    processor_architecture  :=  get_env('PROCESSOR_ARCHITECTURE');
    processor_type          :=  get_env('PROCESSOR_IDENTIFIER');
    var                     :=  get_totmem(); 
	ram_gb := var;
    var                    :=  (SELECT NVL(SUM(pg_database_size(oid)),0)/(1024*1024*1024) + 0.05 FROM pg_database);
	disk_gb = var; 
	if disk_gb < 0.1 THEN disk_gb = 0.1; END IF;
END;
