class_docstr: A monitor which requests the cluster status every 10 seconds.
      
class_docstr_tok: ["A","monitor","which","requests","the","cluster","status","every","10","seconds","."]
code: def __init__(self, master_address, gpu_cluster=False):
      ctx = zmq.Context()
      self.socket = ctx.socket(zmq.REQ)
      self.socket.setsockopt(zmq.RCVTIMEO, 30000)
      self.socket.connect("tcp://{}".format(master_address))
      self.data = None
      self.gpu_cluster = gpu_cluster
  
      thread = threading.Thread(target=self.run)
      thread.setDaemon(True)
      thread.start()
  
file_path: PARL/parl/remote/monitor.py
imports: import argparse
  import pickle
  import random
  import time
  import zmq
  import threading
  from flask import Flask, render_template, jsonify, request
label_desc: Use image node_id 1 to create a new ClusterMonitor object from inherited base classes: object with example: obj = ClusterMonitor(master_address, gpu_cluster)