每个代理负责从系统、子系统，或应用程序那里收集数据。
Each agent is responsible for data collection from systems, subsystems, or applications.
此角色还可能负责从应用程序收集运行时数据，并根据 SLA 要求对结果进行分析。
This role might also be responsible for collecting the run-time data from the application and analyzing the results against SLA requirements.
谁负责数据的收集和质量。
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