code: @Override
      public void clearStorage() throws BackendException {
          try (AdminMask adm = getAdminInterface()) {
              adm.clearTable(tableName, times.getTime().getNativeTimestamp());
          } catch (IOException e)
          {
              throw new TemporaryBackendException(e);
          }
      }
docs: Deletes the specified table with all its columns.
  ATTENTION: Invoking this method will delete the table if it exists and therefore causes data loss.