Sorry let me clarify something. wan_ifInOctets is using ifHCInOctets's SNMP OID which is 1.3.6.1.2.1.31.1.1.1.6
On Tuesday, September 22, 2020 at 1:00:04 PM UTC-4 [email protected] wrote: > It's odd that the yellow graph appears to be smoothly increasing at 2 > minute intervals, whilst the green one has a rate burst. A value of > 200Gbps implies that the counter has gone up by 7.5TB between the start and > end of the 5 minute rate window. And interestingly, the absolute value of > the counter shown is 6TB (right-hand axis), which is in the same ballpark. > > Is it possible that the counter value goes 6TB -> 0 -> 6TB very quickly, > with the points so closely spaced that the zero value isn't picked up in > the yellow graph? Or grafana is ignoring zero / null values? > > It's possible to check this using the PromQL browser in the Prometheus web > interface (normally port 9090), or the API, and extract the raw data from > the TSDB. Do an instant query for > > wan_ifInOctets{site="foo"}[10m] > > and you'll get all the raw data points over that period. Adjust the time > of the query so that it covers the period where things are strange, and > look for values which look out of place. > > My other question is, how is "wan_ifInOctets" being collected in the first > place? The standard snmp_exporter if_mib would give "ifInOctets" (plus > labels for the interfaces). Have you got a recording rule or something > like that? > > The standard ifInOctets is a 32-bit counter, with maximum value ~4GB. I > was going to suggest you use ifHCInOctets, but then I see your > "wan_ifInOctets" already has a value of ~6TB so it can't possibly be 32 > bits. It would be good to understand where it comes from. > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/fd18b83b-e4ef-4714-be5a-d093d3317fcan%40googlegroups.com.
