while (cont) {
final long position = random.nextInt(lastClusterPosition.get().intValue());
final ORID orid = new ORecordId(defaultClusterId, OClusterPositionFactory.INSTANCE.valueOf(position));
while (true) {
ODocument document = db.load(orid);
document.setLazyLoad(false);
ORidBag ridBag = document.field("ridBag");
Iterator<OIdentifiable> iterator = ridBag.iterator();
List<ORID> ridsToDelete = new ArrayList<ORID>();