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@mikhailov
mikhailov / ruby_gc.sh
Created March 11, 2011 10:33
Ruby’s GC Configuration
- http://www.coffeepowered.net/2009/06/13/fine-tuning-your-garbage-collector/
- http://snaprails.tumblr.com/post/241746095/rubys-gc-configuration
article’s settings: ("spec spec" took 17-23!sec)
export RUBY_HEAP_MIN_SLOTS=1250000
export RUBY_HEAP_SLOTS_INCREMENT=100000
export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
export RUBY_GC_MALLOC_LIMIT=30000000
export RUBY_HEAP_FREE_MIN=12500
# unicorn_rails -c /data/github/current/config/unicorn.rb -E production -D
rails_env = ENV['RAILS_ENV'] || 'production'
# 16 workers and 1 master
worker_processes (rails_env == 'production' ? 16 : 4)
# Load rails+github.git into the master before forking workers
# for super-fast worker spawn times
preload_app true