Qing Yang wrote on 25/09/2018 18:34:
Does anyone know the reason why this is a counter as versus a gauge?
Notice for all other types, when the 'number of prefixes/routes' is
involved (type 7, 8, 9, 10), they are all defined as gauge, which can
increment or decrement, and makes sense to me, as this indicates a
current state. It is a counter when number of updates or withdrawal is
involved, which again makes sense, because that can only increment.
These are two different things. Stat type = 0 is the number of negative
policy matches for incoming prefixes. You're counting the number of
rejections so it's a counter.
On the other hand, stat types 7, 8, 9 and 10 all measure the number of
prefixes in various RIB types. This needs to be a gauge because it
could increase or decrease.
Nick
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