问MicroMeter LongTaskTimer方法失败时如何清除样本

EN

@Configuration
@Slf4j
public class MetricConfiguration {

    @Resource
    private MeterRegistry meterRegistry;

    @Bean(name = "creationTimer")
    LongTaskTimer creationTimer() {
        //TODO only apply to event,not for api
        return LongTaskTimer.builder("creationTimer")
                .description("timer for pipeline create process")
                .publishPercentileHistogram()
                .publishPercentiles(0)
                .register(meterRegistry);
    }
}

public class CreationWorker {

    private LongTaskTimer.Sample createTimerSample;

    private LongTaskTimer createTimer;

    public CreationWorker(LongTaskTimer createTimer) {
        this.createTimer = createTimer;
    }

    public boolean execute() {    
        if(dbStatus = 'toCreate')
            return doCreate();
        if(dbStatus = 'creating')
            return checkCreated();
 
    }

    public boolean doCreate() {
        createTimerSample = createTimer.start();
        //then do along async create task
        //update dbStatus='creating'
    }

    public boolean checkCreated() {
        Status status = ...; //get async task status
        if (status.equals("success"))) {
            createTimerSample.stop();
            return true
        }
        // I think need to clear the longTaskTimer
        return false;
    }
}