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Debugging Performance Problems In Your Views

Episode 54 · May 4, 2015

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Learn how I discovered and solved a performance bug in OneMonth.com's view partial

Performance debugging tips

Rack Mini Profiler can help find a lot of the locations where ActiveRecord queries are made
Check your Rails logs for CACHE hits in ActiveRecord
Look at how long your views and partials take to render, check out the slowest ones first
Delete code in your views till you find what is slowing them down