调试、跟踪、改进：代理应用程序的可观测性.pdf

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1、 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.A I M L 3 3 1 4ObservabilityMassimiliano AngelinoPrincipal Spec.Solutions Architect AI/MLAmazon Web ServicesAmit AroraPrincipal Solutions Architect AI/MLAmazon Web S

2、ervices 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.In an seminal paper published in 1960,R.E.Klmn defined the term observability and argued that:A system is observable if its state can be inferred from measurements.If that system can be controlled and observed,it can be optim

3、ized.“On the General Theory of Control Systems”,R.E.Klmn,1960The modern AWS definition is:“Observability”describes how well you can understand what is happening in a system,often by instrumenting it to collect metrics,logs,or traces.To achieve operational excellence and meet business objectives,you

4、need to understand how your systems are performing.What is Observability?2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Pillars of observabilityObservability 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Pillars of observability Logs-immutable events that occ

5、ur over time to help understand unpredictable behaviorObservabilityLOGS 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Pillars of observability Logs-immutable events that occur over time to help understand unpredictable behavior Metrics-identify trends and are used to understand

6、and predict behavior of a systemObservabilityLOGSMETRICS 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Pillars of observability Logs-immutable events that occur over time to help understand unpredictable behavior Metrics-identify trends and are used to understand and predict beh