Finding Memory Leaks in the Ruby Ecosystem
This blog post is adapted from a talk that Adam Hess and I gave at RubyKaigi 2024. Until recently, Ruby lacked a mechanism for detecting native-level memory leaks from within Ruby and native gems. This was because, when Ruby terminates, it does not free the objects that are still alive or the memory used by Ruby’s virtual machine. This is because the system will reclaim all the memory used anyway,
Autotuner: How to Speed Up Your Rails App
This article was adapted from my Rails World talk “Rails and the Ruby Garbage Collector: How to Speed Up Your Rails App”. Ruby’s garbage collector is designed to be adaptable, scaling from short Ruby scripts to running apps that serve millions of requests per second. While it’s designed to be adaptable, it may not work optimally for every use case. For this reason, Ruby’s garbage collector support
Prism in 2024
In Ruby 3.3.0, a new standard library was added to CRuby called Prism. Prism is a parser for the Ruby language, exposed as both a C library (optionally usable by CRuby) and a Ruby library (usable as a Ruby gem). The Prism project represents many person-years worth of effort, and is the result of a collaboration between Shopify, CRuby core contributors, other Ruby implementation authors, and Ruby t
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