Memory 102

Purpose

Showcase the most important development tools needed for profile GitLab.

Goal

Let's debug together one of the most expensive endpoints the Projects::MergeRequestsController#show.

This is one of the most requested endpoints, and taking most of the time that returns a ton of data in a single response from multiple sources.

What it will cover?

• Usage of Performance Bar,
• Usage of Remote Request Profiling,
• Usage of Grafana and Grafana 2,
• Usage of Profile,
• Usage of Redash,
• Usage of Memory Profile,
• Usage of Sentry,
• Usage of Jaeger for OpenTracing

Video links

• 101 Video
  • Environments, dashboards, Sentry
• 102 Video
  • Performance, profiling, example debugging N+1 problem

Outcomes

• Upload videos to YouTube
• Add videos to Memory Team onboarding template