Map vs List Performance
An optimization I made to use a map instead of enumerating through lists to match elements of a big dataset took the operation time from 30+ minutes to less than a second.
https://medium.com/@damonvjanis/map-vs-list-performance-in-elixir-c45642a25c6
Read next just released erlang-rocksdb 0.26.0, a binding of rocksdb embedded K/V database