UPDATE 2/15: Here's how to modify your application to make New Relic report dyno-level queue time

from James Somers (Ft. Andrew Warner, ATodd, Chrissy & LEMON) – Heroku's Ugly Secret on Rap Genius


We wrote a gem called heroku-true-relic to get New Relic to show accurate request queue times

These new accurate queue numbers confirm the results of our simulations: we are currently running 250 dynos (monthly bill: $27,000) with an average throughput of ~11000 requests per minute

A simulation with those numbers estimates that the average queue time should be around 290ms, which is very close to the 324ms average New Relic now reports. We don’t have a ton of data yet with the accurate request queueing, but that’s pretty close!

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