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Comment: Remove sample period from histogram.avg simplification. That info is already in the metric itself.

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  • Sum  - Monotonic total count meter (Counter). Suitable for total number of X counters, e.g., total number of bytes sent.
  • Gauge  - Non-monotonic current value meter (UpDownCounter). Suitable for current value of Y, e.g., current queue count.
  • Histogram  - Value distribution meter (ValueRecorder). Suitable for latency values, etc.
    For simplicy a client implementation may choose to provide an average value as Gauge instead of a Histogram. These averages should be using the original Histogram metric name + ".avg60s" (or whatever the averaging period is)avg", e.g., "client.request.rtt.avg10savg".

Client instance-level metrics

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