Glossary term
What is gauge (Gauge metric)?
gauge stands for Gauge metric.
A metric number that can go up and down, such as requests in flight.
Learn it properly · Observability & SRELesson 2: Metrics and Prometheus: Counters, Gauges, Histograms and PercentilesThe metric types, labels and cardinality, why averages lie, percentiles, and a real Prometheus scrape of a Node service.