Cardinality of this metric:
clientId: there are currently 650 (on sandbox, because of OTE), and 200 on production.
explicitClientId: 2
roles: 2 now, might be 3 soon if we add vendors
status: 2
So we're talking about a cardinality of 2,000-8,000. Less when you consider that registrars only seldom actually need to access the console (certainly not daily or even weekly).
Compare with, e.g., the /epp/processing_time from the above EppMetrics.java which has:
Epp commands: 26 (manual counting)
client IDs: 200 on prod
status: the actual status CODE of the command. Can have many values, but looking at the past few weeks' metrics I counted 20
Note that not every command results in every status. Looking a few weeks back we can see around 80-100 (commands+status) combination.
buckets: 16
so that's over 250,000-1,000,000 cardinality, on a very high-volume metric.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=218699280
