generate-map-reduce-couchbase/src/main/resources/MapReduce/PortletUsageRecord/consumerId__operationId/reduce.js

function(keys, values, rereduce){
	var total = 0;
	for(i=0; i<values.length; i++){
		total = Number(total) + Number(values[i].operationCount);
	}
	
	ret = {};
	ret.operationCount = Number(total);
	
	return ret;
}