Delete any entity in drupal
drush ev "entity_delete_multiple('v', \Drupal::entityQuery('entity_type_name')->execute());"
Delete node with pecific type
drush ev "entity_delete_multiple('node', \Drupal::entityQuery('node')->condition('type', 'node_type')->execute());"
Delete BIG amount of entities
drush ev '$entity_type = "entity_type_name";$files = \Drupal::entityQuery($entity_type)->execute();foreach (array_chunk($files, 1000) as $chunk_num => $chunk) { $storage_handler = \Drupal::entityTypeManager()->getStorage($entity_type); $entities = $storage_handler->loadMultiple($chunk);$storage_handler->delete($entities); print_r("Deleted: " . ($chunk_num + 1) * 1000 . PHP_EOL);}'