public int getNumberOfPastAttemptsOnServer() {
        return numberOfPastAttemptsOnServer;
    }
Represents the state of execution for an instance of {@link com.netflix.loadbalancer.reactive.LoadBalancerCommand}
and is passed to {@link ExecutionListener}

@author Allen Wang
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/reactive/ExecutionInfo.java