请求处理时间和队列长度是一个很好的度量指标，系统管理员通过监控它们来决定是增加服务器，还是关掉多余的服务器。
The request-processing time and the queue length are proper measures for the system administrator to monitor in order to make decisions about adding servers or shutting down superfluous servers.
另外，它允许对应用程序指标轮询，如事务率和时间、mq队列管理器状态、消息计数器或SLM指标。
Additionally, it allows polling of application metrics such as transaction rates and times, MQ queue manager status, message counters, or SLM metrics.
该方案通过对本地节点缓存区指标的定期测量，计算得到在各队列间公平分配剩余带宽的调度权值。
This scheme periodically measures the metrics in local buffer of router, and calculates the scheduling weights for fair bandwidth allocation among the queues.
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