text: var
      assert  = require('assert'),
      Emitter = require('numbat-emitter'),
      os      = require('os'),
      emitter;
  
  var metrics = module.exports = function constructEmitter()
  {
      if (emitter) return emitter;
  
      emitter = new Emitter({
          uri: process.env.METRICS_URL || 'udp://localhost:3333',
          node: os.hostname()
      });
      return emitter;
  };
  