_gZkClient = new ZkClient(ZK_ADDR);
_gZkClient.setZkSerializer(new ZNRecordSerializer());
_gSetupTool = new ClusterSetup(ZK_ADDR);
// start admin
_adminThread = new AdminThread(ZK_ADDR, ADMIN_PORT);
_adminThread.start();
// wait for the web service to start
Thread.sleep(100);
}