code: def entity_suffix(entities):
      if entities // 1000000 > 0:
          suffix = f"{entities // 1000000}m"
      elif entities // 1000 > 0:
          suffix = f"{entities // 1000}k"
      else:
          suffix = f"{entities}"
      return suffix
  
imports: import logging
  import time
  import pytest
  import random
  import numpy
  from pathlib import Path
  from base.client_base import TestcaseBase
  from common import common_func
  from common import common_type
  from common.milvus_sys import MilvusSys
  from common.common_type import CaseLabel, CheckTasks
  from utils.util_k8s import get_pod_ip_name_pairs, get_milvus_instance_name, get_milvus_deploy_tool
  from utils.util_log import test_log
  from common.bulk_insert_data import prepare_bulk_insert_json_files, prepare_bulk_insert_numpy_files, DataField, DataErrorType
label_desc: Use image node_id 1 for calling a global function with example usage: entity_suffix(entities) and returns: suffix