class_docstr: Dynamic retrieval service client class.
  It implements the retrieval services interface, has a simple client to add, reset and query
  the dynamic retrieval index.
docstr: Write the dynamic index and document storage into file
  Args:
      index_name: str, the index name used for the file name
docstr_tok: ["Write","the","dynamic","index","and","document","storage","into","file","Args",":","index_name",":","str",",","the","index","name","used","for","the","file","name"]
code: def reset(self):
      """
      Write the dynamic index and document storage into file
      Args:
          index_name: str, the index name used for the file name
      """
      data = {"reset": None}
      return request_data(data, self.service_ip, self.service_port)
  
imports: import abc
  import logging
  import threading
  from typing import List, Union
  import numpy
  import torch
  from nemo.collections.common.tokenizers.tokenizer_spec import TokenizerSpec
  from nemo.collections.nlp.modules.common.megatron.retrieval_services.util import request_data
label_desc: Use image node_id 4 for calling the DynamicFaissRetrievalService obj's underlying member method code with example usage: obj.reset() and returns: request_data