Wrapper Histogram for cases in which the recorded values should always be the difference
between the current value and the last recorded value. This is not thread-safe and only
to be used with Sigar-based metrics that are securely updated within an actor.
Wrapper Histogram for cases in which the recorded values should always be the difference between the current value and the last recorded value. This is not thread-safe and only to be used with Sigar-based metrics that are securely updated within an actor.