system activity monitor

基本解释

Learn how administration API enables you to monitor system activity using SQL commands
学习如何通过管理 API 使用 SQL 命令监视系统活动
As discussed in System performance, monitor disk activity, CPU and memory usage to determine whether the disk subsystems, processing speed or paging are limiting performance.
如系统性能小节所述，监控磁盘活动、CPU 和内存使用量可以确定磁盘子系统、处理速度或分页是否影响了性能。
Our web site's bunker security system is armed with a sentry system to monitor activity and prevent any unauthorized disclosure of credit card numbers or other personal information.
我们网站上的安全保护系统配备有监测系统，可以对网站活动进行监控，以防未经授权披露您的信用卡信息或其他个人信息。

Perhaps more damning, the report describes an agency without an overarching compliance system to monitor such activity, and employees who either misunderstood or didn't follow existing reporting rules.
FORBES: Magazine Article
Each has strengths and weaknesses and thus to monitor influenza activity in the United States, the CDC runs both a syndromic system (called ILInet, short for Influenza-like Illness network) and a virologic system (part of a larger system called NREVSS).
FORBES: How Accurate Is Google Flu Trends?