How does Envoy support observability?

Envoy supports observability primarily through its comprehensive metrics, logging, and tracing capabilities. These features allow developers and operations teams to gain insight into service performance and health, enabling them to monitor the behavior of services running within a microservices architecture.

Metrics provide quantitative data that can be easily visualized and analyzed, allowing users to track response times, error rates, and request counts. Logging captures detailed information about events and errors occurring within services, facilitating troubleshooting and debugging. Tracing connects multiple service calls together, giving a clear picture of how requests traverse different services, allowing teams to identify bottlenecks and inefficiencies.

The other options do not address the core of observability in the context of Envoy. Information about network hardware may contribute to overall system understanding but does not provide the in-depth visibility into service performance that metrics, logging, and tracing do. Reducing the number of services can simplify architecture, but it does not directly enhance observability. Visual representations of storage usage may provide insight into resource allocation, but they do not equate to the holistic monitoring that observability encompasses.