question: public static void createFederatedNamespace ( URI namespace , ZooKeeperClient zkc ) throws InterruptedException , ZooKeeperClient . ZooKeeperConnectionException , KeeperException { String zkSubNamespacesPath = namespace . getPath ( ) + "/" + ZNODE_SUB_NAMESPACES ; Utils . zkCreateFullPathOptimistic ( zkc , zkSubNamespacesPath , new byte [ 0 ] , zkc . getDefaultACL ( ) , CreateMode . PERSISTENT ) ; }
target:  Create the federated namespace.