derailed_benchmarks_setup

🚂 Benchmark Memory & CPU with derailed_benchmarks

Use derailed_benchmarks to profile your entire Rails boot process, identify gem bloat, and track object allocations. This is crucial for optimizing boot times and reducing memory footprint in containerized setups.

# install the gem
gem install derailed_benchmarks

# measure boot memory
derailed bundle:mem

# measure boot speed
derailed exec perf:objects

Analyze the output to trim unused gems or refactor large initializers.