docstr: A staticmethod that returns metrics captured by the __metrics_logger.
  Args:
      server_rref (RRef): remote reference to the server
docstr_tok: ["A","staticmethod","that","returns","metrics","captured","by","the","__metrics_logger",".","Args",":","server_rref","(","RRef",")",":","remote","reference","to","the","server"]
code: def get_metrics(server_rref):
      r"""
      A staticmethod that returns metrics captured by the __metrics_logger.
      Args:
          server_rref (RRef): remote reference to the server
      """
      self = server_rref.local_value()
      return self.__metrics_logger.get_processed_metrics()
  
imports: import functools
  import threading
  import time
  from abc import ABC, abstractmethod
  import torch
  import torch.distributed.rpc
  from metrics.MetricsLogger import MetricsLogger
  from utils import sparse_rpc_format_to_tensor, sparse_tensor_to_rpc_format
label_desc: Use image node_id 12 for calling the ParameterServerBase obj's underlying member method code with example usage: obj.get_metrics(server_rref) and returns: self