# Test Metrics Generated metrics use the `epimetheus_test_` prefix so they are easy to identify as test data. ## Counter: `epimetheus_test_requests_total` - **Type:** Counter (monotonically increasing) - **Description:** Total number of requests processed - **Use case:** Total events, requests, errors ## Gauge: `epimetheus_test_active_connections` - **Type:** Gauge (can increase or decrease) - **Description:** Current number of active connections (0–100) - **Use case:** Current state, capacity ## Gauge: `epimetheus_test_temperature_celsius` - **Type:** Gauge - **Description:** Current temperature in Celsius (0–50°C) - **Use case:** Environmental monitoring ## Histogram: `epimetheus_test_request_duration_seconds` - **Type:** Histogram (distribution) - **Description:** Request duration distribution - **Buckets:** 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1, 2.5, 5, 10 seconds - **Use case:** Latency, SLO tracking ## Labeled counter: `epimetheus_test_jobs_processed_total` - **Type:** Counter with labels - **Description:** Jobs processed by type and status - **Labels:** `job_type` (email, report, backup), `status` (success, failed) - **Use case:** Categorized counting, multi-dimensional metrics