hystrix metrics

Hystrix is a library for building fault-tolerant, resilient systems. Hystrix provides metrics to measure the success and failure of requests, as well as the health of the system. These metrics are important in understanding how the system is performing and identifying areas that need improvement.

Hystrix provides several metrics, including:

1. Successful requests: The number of successful requests made to the system.
2. Failed requests: The number of failed requests made to the system.
3. Timeout requests: The number of requests that timed out.
4. Rejected requests: The number of requests that were rejected due to the circuit being open or the thread pool being full.
5. Latency: The time it takes for a request to complete.
6. Concurrency: The number of concurrent requests being processed.

These metrics can be collected and monitored using tools such as Hystrix Dashboard or other monitoring systems. By monitoring these metrics, developers can identify problems in the system and take corrective action to improve its performance and resilience.