text: const memory = require('../../lib/memory');
  memory.startMemoryTrack();
  
  const valueGenerator = require('../../lib/valueGenerator');
  let keys = valueGenerator.getKeys();
  
  let Datastore = require('nedb');
  
  let db = new Datastore({
      filename: './storage/nedb/storage.db',
      autoload: true,
      onload: () => {
          var i = 0;
  
          let ret = setInterval(() => {
              if (i === 100) {
                  clearInterval(ret);
                  console.log('neDB, Average Memory Usage: ', Math.round(memory.getAverageMemoryUsage() / 1024 / 1024) + 'MB');
                  process.exit();
              }
  
              db.findOne({ key: keys[i] }, (err, docs) => {
                  // console.log(docs);
              })
              i++;
          }, 100)
      }
  });