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To evaluate the performance and status of a system in Go, the following metrics are usually analyzed:

• CPU Usage — processor load, to understand if the system is overloaded.
• Memory Usage — amount of RAM used, including heap and stack.
• Goroutines Count — number of active goroutines, to detect leaks or excessive creation.
• Garbage Collection Metrics — frequency and duration of garbage collections, affecting latency.
• Latency — response time of the system or individual operations.
• Throughput — number of requests or operations processed per unit of time.
• Error Rates — frequency of errors or exceptions.

In Go, these metrics are often collected using the runtime package (e.g., runtime.NumGoroutine(), runtime.ReadMemStats()), as well as external monitoring tools like Prometheus and Grafana.