# How to Write Fast Code in Ruby on Rails – Shopify Engineering

<https://engineering.shopify.com/blogs/engineering/write-fast-code-ruby-rails>

- Host: [engineering.shopify.com](https://links.thingelstad.xyz/hosts/engineering.shopify.com/)
- Saved: October 13, 2019 (2019-10-13T11:39:31Z)
- Record: https://links.thingelstad.xyz/links/8179a3f80c2a/
- JSON: https://links.thingelstad.xyz/links/8179a3f80c2a.json

## What Jamie wrote

I wanted this to be a joke with the punchline being to rewrite it in Java or Go. That's how Twitter did it after all. The guidelines here are solid for any higher level language. When performance matters, you need to understand what your code is doing at the lower levels. And caching is true for performance in so many environments, frameworks, and languages.

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Appears in

- [WT122: Weekly Thing #122 / Oct 19, 2019](https://weekly.thingelstad.com/archive/122/), Notable Links 📌

## Same host

- [Deconstructing the Monolith – Shopify Engineering](https://links.thingelstad.xyz/links/1fdf36db3bd4/) (engineering.shopify.com, October 15, 2019)
- [How Shopify Manages API Versioning and Breaking Changes – Shopify Engineering](https://links.thingelstad.xyz/links/76e2bbccb746/) (engineering.shopify.com, December 23, 2019)

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## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://engineering.shopify.com/blogs/engineering/write-fast-code-ruby-rails