October 08, 2024

Detect and Resolve N+1 Query Issues in Phoenix Applications with AppSignal

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Detect and Resolve N+1 Query Issues in Phoenix Applications with AppSignal

Source: appsignal.com

The article explains how N+1 queries can degrade the performance of Elixir and Phoenix applications by increasing database load and response times. It provides a detailed overview of how N+1 queries occur, particularly in the context of complex Ecto associations. The author discusses examples of inefficient queries and shows how to use AppSignal to detect these issues effectively. Strategies for fixing N+1 queries are outlined, including optimizing Ecto queries and utilizing the monitoring tools offered by AppSignal to observe and improve application performance.

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