easy5 pts · first answer countsprometheusobservability

Counter vs gauge

Which pair is correct for Prometheus metric types?

A.Total requests is a gauge (it can rise and fall); memory in use is a counter.B.Both should be histograms, because a histogram can store any kind of number safely.C.Counters can go up and down freely over time, while gauges are only allowed to go up until a restart.D.Total requests is a counter (only rises, resets on restart); memory in use is a gauge.

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Counter vs gauge

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