/**
* Name Server: 通过 value 获取所有的 key 信息
*/
public String getKVConfigByValue(final String namespace, String value, final long timeoutMillis)
throws RemotingException, MQClientException, InterruptedException {
GetKVConfigRequestHeader requestHeader = new GetKVConfigRequestHeader();
requestHeader.setNamespace(namespace);
requestHeader.setKey(value);
RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.GET_KV_CONFIG_BY_VALUE, requestHeader);
RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);