public boolean smallerThan(ClusterResources other) {
        if (this.nodes < other.nodes) return true;
        if (this.groups < other.groups) return true;
        if (this.nodeResources.isUnspecified() || other.nodeResources.isUnspecified()) return false;

        if ( ! this.nodeResources.justNumbers().satisfies(other.nodeResources.justNumbers())) return true;
        return false;
    }
Returns true if this is smaller than the given resources in any dimension
config-provisioning/src/main/java/com/yahoo/config/provision/ClusterResources.java