MongoDB File Allocation Test

vol_test.js

var DATA = "12345678";
var c = db.getCollection("volume");

function insert(n) {
	var s = data();
	for (i=0; i<n; i++) {
		if (i%200 == 0) {
			print(i);
		}
		var wr = c.insert({_id:i, s: s});
		if (wr && wr.nInserted != 1) {
			print(i + ": " + tojson(wr));
		}
	}
	showCount();
}

function removeEven(n) {
	for (i=0; i<n; i++) {
		if (i%2 == 0) {
			c.remove({_id:i});
		}
	}
	showCount();
}

function data() {
	var s = DATA;
	for (i=0; i < 2048; i++) {
		s += DATA;
	}
	
	return s;
}

function showCount() {
	print("Number of records: " + c.count());
}