Performance Gemfile & Best Practises Gems

Gemfile_code_smell.rb

  # Code smell
  gem 'rubocop'
  gem "rubycritic", require: false
  gem 'reek'
  gem 'simplecov', require: false
  gem 'gemsurance'

  # Better error page for Rack apps
  gem "better_errors"
  gem "binding_of_calle"


  

Gemfile_performance.rb

 # Profiler for your development and production Ruby rack apps.
  gem 'rack-mini-profiler', require: false
  #
  # For memory profiling (requires Ruby MRI 2.1+)
  gem 'memory_profiler'

  # For call-stack profiling flamegraphs (requires Ruby MRI 2.0.0+)
  gem 'flamegraph'
  gem 'stackprof'     # For Ruby MRI 2.1+
  gem 'fast_stack'    # For Ruby MRI 2.0

  # help to kill N+1 queries and unused eager loading
  gem 'bullet'

  # Benchmark and profile your Rails apps
  gem 'rails-perftest'

  # If you want to benchmark/profile under MRI or REE, add this line as well:
  gem 'ruby-prof' 
  
  # Optimized JSON
  gem 'oj'
  gem 'oj_mimic_json' # we need this for Rails 4.1.x

  # a fast Ruby HTTP client with a chainable API, streaming support, and timeouts
  gem 'http'

  gemt 'stackprof'

  # Add ObjectSpace::AllocationTracer module.
  gem 'allocation_tracer'

  # Chrome extension for Rails development
  gem 'meta_request'
  #
  gem 'peek'

Repository links

# Find slow methods in your Ruby code.
https://github.com/change/method_profiler

# Benchmark and profile your Rails apps
https://github.com/rails/rails-perftest

# Modern HTTP benchmarking tool
https://github.com/wg/wrk

# 
https://github.com/brianmario/escape_utils

# like strace, but for ruby code
https://github.com/tmm1/rbtrace


https://github.com/dtaniwaki/rack-dev-mark