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Increase or decrease an OpenTelemetry up-down counter
up_down_counter_add( name, value = 1L, attributes = NULL, context = NULL, meter = NULL )
The up-down counter object (otel_up_down_counter), invisibly.
Name of the up-down counter.
Value to add to or subtract from the counter, defaults to 1.
Additional attributes to add.
Span context. If missing the active context is used, if any.
Meter object (otel_meter). Otherwise it is passed to get_meter() to get a meter.
get_meter()
Other OpenTelemetry metrics instruments: counter_add(), gauge_record(), histogram_record()
counter_add()
gauge_record()
histogram_record()
Other OpenTelemetry metrics API: counter_add(), gauge_record(), histogram_record(), is_measuring_enabled()
is_measuring_enabled()
otel::up_down_counter_add("session-count", 1)
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