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When
autoReset
is enabled for reporter, we used to reset metric to zero after it's collected. It will result inactive zero metrics hanging and accumulating, it does not make sense and even misleading to report those inactive ones again and again. Another drawback is, some kinds does not supportClear
, so it's not consistent across kinds.So now we remove metric from registry after it being collected, instead. All kinds are consistent now, and inactive zero metrics will not reported again and again.
It should be noted, metric must be created dynamically with
GetOrRegister
to work withautoRemove
. Otherwise the metric would never be registered after being removed.