final OCluster cluster;
if (clusterName != null) {
clusterName = clusterName.toLowerCase();
cluster = OPaginatedClusterFactory.INSTANCE.createCluster(configuration.version);
cluster.configure(this, clusterPos, clusterName, parameters);
if (clusterName.equals(OMVRBTreeRIDProvider.PERSISTENT_CLASS_NAME.toLowerCase())) {
cluster.set(OCluster.ATTRIBUTES.USE_WAL, false);
cluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 5);
cluster.set(OCluster.ATTRIBUTES.RECORD_OVERFLOW_GROW_FACTOR, 2);