private static boolean onlyContainsUser(
      final Map<String, String> extractorOrConnectorAttributes) {
    final PipeParameters extractorOrConnectorParameters =
        new PipeParameters(extractorOrConnectorAttributes);
    return extractorOrConnectorParameters.hasAnyAttributes(
            PipeConnectorConstant.CONNECTOR_IOTDB_USER_KEY,
            PipeConnectorConstant.SINK_IOTDB_USER_KEY,
            PipeConnectorConstant.CONNECTOR_IOTDB_USERNAME_KEY,
            PipeConnectorConstant.SINK_IOTDB_USERNAME_KEY)
        && !extractorOrConnectorParameters.hasAnyAttributes(
            PipeConnectorConstant.CONNECTOR_IOTDB_PASSWORD_KEY,
            PipeConnectorConstant.SINK_IOTDB_PASSWORD_KEY);
  }
FIXME Consolidate this clientManager with the upper one.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/execution/config/executor/ClusterConfigTaskExecutor.java