Who Is N+1?
N+1 queries need to be solved in Ruby on Rails by identifying where the Active Relation object is created and adding a joins or includes to prefetch eagerload to optimize ActiveRecord just-in-time loading.
performance
Ruby Debugging Primer 2 (Debugging Sunday)
Part 2 of 2 brunofacca/active-record-query-trace An excellent gem that’s still a non-optional workhorse in my development practice – especially when debugging a legacy codebase. This gem will display for ALL of your SQL queries where […]