mirror of
https://github.com/discourse/discourse.git
synced 2024-12-14 20:23:51 +08:00
c89b42c488
Before:
Total allocated: 257909321 bytes (2514134 objects)
Total retained: 39681579 bytes (343387 objects)
allocated memory by gem
-----------------------------------
42875979 rss
retained memory by gem
-----------------------------------
2080188 rss
retained objects by gem
-----------------------------------
13052 rss
After:
Total allocated: 210562047 bytes (2252030 objects)
Total retained: 37433816 bytes (328635 objects)
----
So, 2 less megabytes on boot and 13000 objects stuck in ruby heaps forever.
22 lines
589 B
Ruby
22 lines
589 B
Ruby
# simple script to measure memory at boot
|
|
|
|
if ENV['RAILS_ENV'] != "production"
|
|
exec "RAILS_ENV=production ruby #{__FILE__}"
|
|
end
|
|
|
|
require 'memory_profiler'
|
|
|
|
MemoryProfiler.report do
|
|
require File.expand_path("../../config/environment", __FILE__)
|
|
|
|
Rails.application.routes.recognize_path('abc') rescue nil
|
|
|
|
# load up the yaml for the localization bits, in master process
|
|
I18n.t(:posts)
|
|
|
|
# load up all models and schema
|
|
(ActiveRecord::Base.connection.tables - %w[schema_migrations versions]).each do |table|
|
|
table.classify.constantize.first rescue nil
|
|
end
|
|
end.pretty_print
|