@Override
    public KVTable fetchBrokerRuntimeStats(
        final String brokerAddr) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, InterruptedException, MQBrokerException {
        return this.defaultMQAdminExtImpl.fetchBrokerRuntimeStats(brokerAddr);
    }
@Test
    public void testFetchBrokerRuntimeStats() throws InterruptedException, MQBrokerException, RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException {
        KVTable brokerStats = defaultMQAdminExt.fetchBrokerRuntimeStats("127.0.0.1:10911");
        assertThat(brokerStats.getTable().get("id")).isEqualTo(String.valueOf(MixAll.MASTER_ID));
        assertThat(brokerStats.getTable().get("brokerName")).isEqualTo("default-broker");
    }