Mismatch between reported queuing and service time metrics and the observed reality

from Jesper Joergensen (Ft. Heroku & LEMON) – Routing Performance Update on Rap Genius


Heroku’s logs had an entry for the time a request spent in queue and that number was always 0. See http://rapgenius.com/1501395

Similarly, New Relic had stats on time spent in queue that were always 0:

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