@Override
  public SettableFuture<ConfigTaskResult> showAINodes() {
    final SettableFuture<ConfigTaskResult> future = SettableFuture.create();
    TShowAINodesResp resp = new TShowAINodesResp();
    try (ConfigNodeClient client =
        CONFIG_NODE_CLIENT_MANAGER.borrowClient(ConfigNodeInfo.CONFIG_REGION_ID)) {
      resp = client.showAINodes();
      if (resp.getStatus().getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
        future.setException(new IoTDBException(resp.getStatus().message, resp.getStatus().code));
        return future;
      }
    } catch (final ClientManagerException | TException e) {
      future.setException(e);
    }
    ShowAINodesTask.buildTsBlock(resp, future);
    return future;
  }
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