SegmentStore store = new MemoryStore();
SegmentWriter writer = new SegmentWriter(store);
NodeState state = builder.getNodeState();
RecordId id = writer.writeNode(state).getRecordId();
writer.flush();
int base = store.readSegment(id.getSegmentId()).size();
writer.writeNode(state);
id = writer.writeNode(state).getRecordId();
writer.flush();
Segment segment = store.readSegment(id.getSegmentId());
return segment.size() - base;