public ClientHeartBeat(Job job) {
		this.sleepInterval = Configuration.HEART_BEAT_INTERVAL;
		this.retryCount = 0;
		this.retryNum = Configuration.RETRY_NUM;
		this.commModule = new CommModule();
		this.job = job;
		this.toHost = Configuration.MASTER_ADDRESS;
		this.toPort = Configuration.SERVER_PORT;
	}