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var mongoose = require('mongoose');
var Schema = mongoose.Schema, ObjectId = Schema.ObjectId;

var secondLevel = new Schema({
        count:Number
});

var topLevel = new Schema({
        list:[secondLevel]
});

mongoose.connect('mongodb://localhost/leak');

var model = mongoose.model('topLevel',topLevel);

model.remove(function () {
        model.create({list:[{count:1}]},function (err,row) {
                console.log(row,row._events.isNew);
                function loop () {
                        row.list = [ {count:row.list[0].count+1 } ];
                        row.save(function (err) {
                                // prints the leak count console.log(row._events.isNew.length);
                                if (process.memoryUsage().heapTotal < 1024*1024 * 64) loop();
                                else {
                                        console.log(row._events.isNew);
                                        console.log('^^^ contents of row._events.isNew');
                                        mongoose.disconnect();
                                }
                        });
                }
                loop();
        });
});