Use os:perf_counter instead of erlang:monotonic_time for metrics

elixir-ecto / db_connection

Database connection behaviour

http://hexdocs.pm/db_connection/DBConnection.html

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Use os:perf_counter instead of erlang:monotonic_time for metrics #60

Closed fishcakez closed 7 years ago

fishcakez commented 7 years ago

monotonic_time is more optimised in the VM for now when working with big nums, and performance should not be significantly different on modern machines.