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The Ruby and Rails community linklog

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How to Find, Debug and Fix N+1 Queries in Rails

by Paweł Urbanek —

https://pawelurbanek.com/rails-debug-queries

Fixing N+1 issues is often the lowest-hanging fruit in optimizing a Rails app performance. However, for non-trivial cases choosing a correct fix could be challenging. Moreover, incorrectly applied eager loading does not work or even worsens response times. In this blog post, I describe tools and techniques I use to simplify resolving N+1 issues.

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