You can configure a different storage (like for instance MongodbStorage) by
appending this to your myapp/config.js
config.setValues({
"session": {
"engine": "MongodbStorage",
"engine_options": {
"host": "127.0.0.1",
"port": "8089",
"collection": "sessions",
"database": "nodejs_test"
}
}
});