mirror of
https://github.com/discourse/discourse.git
synced 2024-11-30 19:30:42 +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
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if ENV['RAILS_ENV'] != "production"
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exec "RAILS_ENV=production ruby #{__FILE__}"
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end
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require 'memory_profiler'
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MemoryProfiler.report do
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require File.expand_path("../../config/environment", __FILE__)
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Rails.application.routes.recognize_path('abc') rescue nil
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# load up the yaml for the localization bits, in master process
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I18n.t(:posts)
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# load up all models and schema
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(ActiveRecord::Base.connection.tables - %w[schema_migrations versions]).each do |table|
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table.classify.constantize.first rescue nil
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end
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end.pretty_print
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