code: function(time, key, val) {
  		return {
  			db: dbPrefix(key),
  			col: colPrefix('gauges', key),
  			data: {
  				time: time,
  				gauge: val
  			},
  		};
  	}
docs: Aggregate some metrics bro
  @param {Number} time
  @param {Stirng} key
  @param {String} val