mongoose = require('mongoose') ScoringTaskSchema = new mongoose.Schema( calculator: {type:mongoose.Schema.Types.ObjectId} sentDate: {type: Number} messageIdentifierString: {type: String} calculationTimeMS: {type: Number, default: 0} sessions: {type: Array, default: []} ) ScoringTaskSchema.set 'capped', 104857600 #100MB capped collection module.exports = mongoose.model('scoringTask', ScoringTaskSchema)