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每秒的速率究竟指定了什么？

public Long getTopDonation() {
                Timer topDonationCalcTimer = registry.timer("topDonationCalcTimer");
                 
                Timer.Context context = topDonationCalcTimer.time();// start time
             
                Long max = 0L;
                for (Long amount : donationManager.getDonationsList()) {
                    max = amount > max ? amount : max;
                }
                
                context.close();// Stop timing
                return max;
            }

它是否告诉线性搜索的总时间（以纳秒为单位）是 0.19107302754898328？
1.97197E-4 timer_seconds{quantile="0.99"} 指定了什么？

curl -k -u 用户：密码 https://localhost:9443/metrics/application/topDonationCalcTimer

    application:top_donation_calc_timer_rate_per_second 0.19107302754898328
    application:top_donation_calc_timer_one_min_rate_per_second 0.013233974568205872
    
    application:top_donation_calc_timer_seconds_count 63
    application:top_donation_calc_timer_seconds{quantile="0.5"} 8.6069E-5
    application:top_donation_calc_timer_seconds{quantile="0.75"} 1.0372E-4
    application:top_donation_calc_timer_seconds{quantile="0.95"} 1.53694E-4
    application:top_donation_calc_timer_seconds{quantile="0.98"} 1.96615E-4
    application:top_donation_calc_timer_seconds{quantile="0.99"} 1.97197E-4
    application:top_donation_calc_timer_seconds{quantile="0.999"} 1.97197E-4
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