class_docstr: Object to encapsulate the code related to handle the data requests passing to executor and its returned values
class_docstr_tok: ["Object","to","encapsulate","the","code","related","to","handle","the","data","requests","passing","to","executor","and","its","returned","values"]
code: def _record_request_size_monitoring(self, requests):
      for req in requests:
          if self._request_size_metrics:
              self._request_size_metrics.labels(
                  requests[0].header.exec_endpoint,
                  self._executor.__class__.__name__,
                  self.args.name,
              ).observe(req.nbytes)
          if self._request_size_histogram:
              attributes = WorkerRequestHandler._metric_attributes(
                  requests[0].header.exec_endpoint,
                  self._executor.__class__.__name__,
                  self.args.name,
              )
              self._request_size_histogram.record(
                  req.nbytes, attributes=attributes
              )
  
imports: import argparse
  import asyncio
  import functools
  import json
  import os
  import tempfile
  import threading
  import uuid
  import warnings
  from typing import TYPE_CHECKING, AsyncIterator, Dict, Generator, List, Optional, Tuple, Union
  from google.protobuf.struct_pb2 import Struct
  from jina._docarray import DocumentArray, docarray_v2
  from jina.constants import __default_endpoint__
  from jina.excepts import BadConfigSource, RuntimeTerminated
  from jina.helper import get_full_version
  from jina.importer import ImportExtensions
  from jina.proto import jina_pb2
  from jina.serve.executors import BaseExecutor
  from jina.serve.instrumentation import MetricsTimer
  from jina.serve.runtimes.worker.batch_queue import BatchQueue
  from jina.types.request.data import DataRequest, SingleDocumentRequest
label_desc: Use image node_id 11 for calling the WorkerRequestHandler obj's underlying member method code with example usage: obj._record_request_size_monitoring(requests) without return types