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ritec / bench_rails_memory_usage.rb
Created December 10, 2017 21:24 — forked from brianhempel/bench_rails_memory_usage.rb
A script to test the memory usage of your Rails application over time. It will run 30 requests against the specified action and report the final RSS. Choose the URL to hit on line 45 and then run with `ruby bench_rails_memory_usage.rb`.
require "net/http"
def start_server
# Remove the X to enable the parameters for tuning.
# These are the default values as of Ruby 2.2.0.
@child = spawn(<<-EOC.split.join(" "))
XRUBY_GC_HEAP_FREE_SLOTS=4096
XRUBY_GC_HEAP_INIT_SLOTS=10000
XRUBY_GC_HEAP_GROWTH_FACTOR=1.8
XRUBY_GC_HEAP_GROWTH_MAX_SLOTS=0
require 'fileutils'
namespace :spec do
def progress name, x, y
print "\r #{name}: #{x}/#{y} %6.2f%%" % [x.to_f/y * 100]
end
def generate_files name
kind = name.to_s.singularize
collection = Dir.glob Rails.root.join('app',name.to_s,'**','*').to_s
attachments: parent_id, asset_id
domain_names: organisation_id
event_memberships: user_id, event_id
events: editor_id
group_actions: user_id, group_id
groups: user_id
icons: parent_id
invitations: sender_id
legacy_actions: item_upon_id
news_items: author_id