public boolean hasNode(T node) {
            for (int i = 0;i<nodes.length;i++) {
                if(node == nodes[i].getNode()) {
                    return true;
                }
            }
            return false;
        }
The relative weight of the different nodes.
Hashing are based on the proportions of the weights.
container-search/src/main/java/com/yahoo/search/cluster/Hasher.java