2, // replicas
"MasterSlave", true); // do rebalance
// create connection
HelixConnection connection = new ZkHelixConnection(ZK_ADDR);
connection.connect();
// start controller
ClusterId clusterId = ClusterId.from(clusterName);
ControllerId controllerId = ControllerId.from("controller");
HelixController controller = connection.createController(clusterId, controllerId);