javascript - Node.js out of memory - How can I rewrite the script for less memory usage -

i have searched google , stackoverflow have not find solution problem.

the script execute high number of data out of memory exception , have not idea how fixed it.

here code:

var fs = require('fs');  var gcloud = require('gcloud')({     projectid: 'myprojectid',     keyfilename: 'key.json' });  var gcs = gcloud.storage(); var bucket = gcs.bucket('mybucket');  bucket.getfiles()     .on('error', console.error)     .on('data', function (file) {         // here save json     }