Jean Boussier & IO-Bound Misconceptions

Jean Boussier, Senior Staff Engineer at Shopify and member of the Rails Core team, joins Robby to dig into the performance realities behind modern Rails apps. They explore what it means to be IO-bound or CPU-bound, how Ruby’s Global VM Lock affects concurrency, and why "fast" is too vague to be useful. Jean explains why instrumentation is often the missing piece and shares thoughtful approaches to using background jobs with intention. They also talk about gem dependencies. The gems in your `G...

Om Podcasten

On Rails invites Rails developers to share real-world technical challenges and solutions, architectural decisions, and lessons learned while building with Rails. Through technical deep-dives and retrospectives with experienced engineers in the Rails community, we explore the strategies behind building and scaling Rails applications.Hosted by Robby Russell of Planet Argon.