/** Scans through all data including edge properties and node properties. */
    public static void fullWarmup(GraphDatabaseService graphDb) {
        long start = System.nanoTime();
        Iterable<Relationship> iter = GlobalGraphOperations.at(graphDb)
            .getAllRelationships();
        for (Relationship rel : iter) {
            rel.getId();
            rel.getType();
            rel.getStartNode();
            rel.getEndNode();
            rel.getPropertyKeys();
        }
        ResourceIterable<Node> nodes = GlobalGraphOperations.at(graphDb)
            .getAllNodes();
        for (Node node : nodes) {
            node.getId();
            node.getRelationshipTypes();
            node.getRelationships();
            node.getPropertyKeys();
        }
        long end = System.nanoTime();
        printMemoryFootprint();
        System.out.println(
            "Full warmup done in " + (end - start) / 1e6 + " millis");
    }