code: public void setDefaultInterval(long defaultInterval) {
      	if(defaultInterval <= 0) {
      		LOG.severe("collector.scheduler.interval must be greater than 0. Recommended value is 500-1000. Current value is " + defaultInterval);
      		throw new IllegalArgumentException("collector.scheduler.interval must be greater than 0. Recommended value is 500-1000. Current value is " + defaultInterval);
      	}
          this.defaultInterval = defaultInterval;
      }
docs: Set default interval for sending events to monitoring service. DefaultInterval will be used by
  scheduler.
  
  @param defaultInterval the new default interval