What are some tips for improving Active Record performance?
An example of an AI chatbot conversation about optimizing Active Record for better performance.
What are some tips for improving Active Record performance?
To improve Active Record performance, consider using eager loading to reduce N+1 queries, optimizing your database indexes, and using select statements to fetch only the necessary columns.
Can you explain what eager loading is?
Eager loading is a technique that loads associated records in the same query, preventing multiple database calls and improving performance.
What are some common mistakes to avoid with Active Record?
Common mistakes include not using indexes, performing unnecessary queries, and failing to cache results when appropriate.
How can I monitor Active Record performance?
You can use tools like Bullet for detecting N+1 queries, and the Rails performance gem to track and analyze query performance.
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