Skip to content

DEV Community

Rails Performance: Lessons from Production Series' Articles

Back to Dane Wu's Series

Cover image for Diagnosing a slow Rails page, layer by layer

Dane Wu

Jun 21

Diagnosing a slow Rails page, layer by layer

#rails #performance #postgres #database

4 min read

Cover image for From 8s to 1s: Truly Understanding Rails N+1 by Opening Up ActiveRecord

Dane Wu

Jun 25

From 8s to 1s: Truly Understanding Rails N+1 by Opening Up ActiveRecord

#rails #activerecord #performance #sql

10 min read

Cover image for A 1000x Speedup From One Index — and Why It Sometimes Does Nothing

Dane Wu

Jun 25

A 1000x Speedup From One Index — and Why It Sometimes Does Nothing

#rails #database #sql #performance

7 min read

Dane Wu

Jun 26

ActiveRecord: You Wanted a Number, but Loaded 500,000 Rows Into Memory

#rails #performance #database #ruby

6 min read

Dane Wu

Jun 27

The Fastest Query Is the One You Never Run: The Four Layers of Rails Caching

#rails #performance #caching #redis

6 min read

Dane Wu

Jun 27

We Added a Cache; Three Days Later It Took the Database Down at Peak

#rails #performance #caching #redis

5 min read

Dane Wu

Jun 28

One Notification Email Made Our Checkout API 3 Seconds Slower

#rails #performance #ruby #sidekiq

5 min read

Dane Wu

Jun 28

Your SQL Is Fast but the API Is Slow: It's the Ruby Layer

#rails #performance #ruby #webdev

4 min read

Dane Wu

Jun 28

The Code Is Fine, but Requests Queue Until They Time Out: Puma, Pools, CDN

#rails #performance #puma #postgres

4 min read

Dane Wu

Jun 29

You've Tuned the Queries and It's Still Slow — Now Change the Data Model

#rails #performance #database #postgres

7 min read