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Bad memory leak in Arel 1.0.1?
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James HartonFYI, this happens just the same in Ruby 1.8.7 as well as 1.9.2, it just takes longer to fill up all the RAM.
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James Harton
Oh, and I tried to run memprof over it but it doesn't work on my 32bit MacBook Pro.
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James Harton
Using a minimum viable testcase (http://gist.github.com/563393) I have the following profile information:
% cumulative self self total time seconds seconds calls ms/call ms/call name 37.63 1.81 1.81 556 3.26 7.21 Array#map 16.01 2.58 0.77 65481 0.01 0.01 Symbol#to_s 9.36 3.03 0.45 159 2.83 18.05 Kernel.require 7.69 3.40 0.37 187 1.98 16.52 Module#class_eval 4.78 3.63 0.23 1517 0.15 7.93 Array#each 4.37 3.84 0.21 17933 0.01 0.01 Hash#default 2.49 3.96 0.12 330 0.36 0.48 ActiveSupport::Inflector.constantize 1.25 4.02 0.06 2 30.00 2245.00 Kernel.load 1.04 4.07 0.05 322 0.16 0.16 Module#constants 1.04 4.12 0.05 90 0.56 1.33 Array#include? 0.83 4.16 0.04 165 0.24 0.24 Array#- 0.83 4.20 0.04 2639 0.02 0.02 String#== 0.83 4.24 0.04 64 0.62 3.44 Module#module_eval 0.83 4.28 0.04 161 0.25 64.84 ActiveSupport::Dependencies.new_constants_in 0.62 4.31 0.03 731 0.04 0.04 Symbol#== 0.62 4.34 0.03 670 0.04 0.04 String#split 0.62 4.37 0.03 8 3.75 3.75 Module#parent_name 0.62 4.40 0.03 326 0.09 0.15 Object#presence 0.42 4.42 0.02 159 0.13 37.42 ActiveSupport::Dependencies::Loadable.load_dependency 0.42 4.44 0.02 165 0.12 0.36 ActiveSupport::Dependencies.to_constant_name 0.42 4.46 0.02 577 0.03 0.03 Array#concat 0.42 4.48 0.02 560 0.04 0.04 Module#=== 0.42 4.50 0.02 326 0.06 0.06 Object#present? 0.42 4.52 0.02 161 0.12 0.12 ActiveSupport::Dependencies.load? 0.42 4.54 0.02 161 0.12 9.01 ActiveSupport::Dependencies::WatchStack#watch_namespaces 0.21 4.55 0.01 10 1.00 1.00 ActiveRecord::ConnectionAdapters::Column#simplified_type 0.21 4.56 0.01 531 0.02 0.02 Array#last 0.21 4.57 0.01 75 0.13 0.13 Class#inherited_with_inheritable_attributes 0.21 4.58 0.01 1 10.00 10.00 Module#alias_method_chain 0.21 4.59 0.01 5 2.00 2.00 ActiveSupport::Notifications.notifier 0.21 4.60 0.01 40 0.25 0.25 NilClass#method_missing 0.21 4.61 0.01 109 0.09 0.09 Module#to_s 0.21 4.62 0.01 973 0.01 0.01 Module#method_added 0.21 4.63 0.01 326 0.03 0.31 ActiveSupport::Dependencies.qualified_const_defined? 0.21 4.64 0.01 334 0.03 0.03 ActiveSupport::Dependencies.local_const_defined? 0.21 4.65 0.01 62 0.16 0.16 Module#extend_object 0.21 4.66 0.01 73 0.14 0.14 Kernel.instance_variable_defined? 0.21 4.67 0.01 30 0.33 0.33 Fixnum#to_s 0.21 4.68 0.01 6 1.67 20.00 ActiveRecord::Base#connection 0.21 4.69 0.01 4 2.50 30.00 Kernel.loop 0.21 4.70 0.01 332 0.03 0.03 String#empty? 0.21 4.71 0.01 138 0.07 2.25 Class#new 0.21 4.72 0.01 1 10.00 110.00 ActiveSupport::Notifications.instrumenter 0.21 4.73 0.01 657 0.02 0.02 Hash#[] 0.21 4.74 0.01 322 0.03 7.80 Module#local_constant_names 0.21 4.75 0.01 2 5.00 2285.00 ActiveSupport::Dependencies::ModuleConstMissing.const_missing 0.21 4.76 0.01 322 0.03 0.19 Module#local_constants 0.21 4.77 0.01 1 10.00 10.00 Arel::Project#initialize 0.21 4.78 0.01 165 0.06 0.06 ActiveSupport::Dependencies.log 0.21 4.79 0.01 177 0.06 0.06 Symbol#to_sym 0.21 4.80 0.01 3 3.33 6.67 ActiveRecord::Base#respond_to? 0.21 4.81 0.01 160 0.06 0.06 IO#set_encoding 0.00 4.81 0.00 4 0.00 2290.00 ActiveSupport::Dependencies.load_missing_constant 0.00 4.81 0.00 1 0.00 10.00 ActiveRecord::ConnectionAdapters::SQLiteAdapter#tables 0.00 4.81 0.00 6 0.00 0.00 Enumerable.any? 0.00 4.81 0.00 6 0.00 0.00 ActiveSupport::Dependencies.loaded 0.00 4.81 0.00 16 0.00 0.00 File#expand_path 0.00 4.81 0.00 4 0.00 0.00 Hash#include? 0.00 4.81 0.00 4 0.00 0.00 Set#include? 0.00 4.81 0.00 208 0.00 0.00 Hash#[]= 0.00 4.81 0.00 18 0.00 0.00 Set#add 0.00 4.81 0.00 161 0.00 0.00 ActiveSupport::Dependencies.mechanism 0.00 4.81 0.00 4 0.00 7.50 Module#parent 0.00 4.81 0.00 2 0.00 0.00 ActiveSupport::Dependencies.autoload_module! 0.00 4.81 0.00 2 0.00 0.00 ActiveSupport::Dependencies.autoloadable_module? 0.00 4.81 0.00 38 0.00 0.00 NilClass#nil? 0.00 4.81 0.00 2 0.00 0.00 ActiveSupport::Dependencies.warnings_on_first_load 0.00 4.81 0.00 8 0.00 0.00 Regexp#=~ 0.00 4.81 0.00 7 0.00 0.00 String#[] 0.00 4.81 0.00 6 0.00 0.00 String#gsub 0.00 4.81 0.00 2 0.00 0.00 String#upcase 0.00 4.81 0.00 2 0.00 0.00 ActiveSupport::Inflector.camelize 0.00 4.81 0.00 2 0.00 0.00 String#camelize 0.00 4.81 0.00 5 0.00 0.00 Array#uniq! 0.00 4.81 0.00 2 0.00 0.00 ActiveSupport::Dependencies.loadable_constants_for_path 0.00 4.81 0.00 278 0.00 0.00 Kernel.is_a? 0.00 4.81 0.00 4 0.00 0.00 Array#collect 0.00 4.81 0.00 322 0.00 0.00 ActiveSupport::Dependencies.constant_watch_stack 0.00 4.81 0.00 8 0.00 0.00 File#directory? 0.00 4.81 0.00 4 0.00 0.00 ActiveSupport::Dependencies.search_for_file 0.00 4.81 0.00 16 0.00 0.00 File#file? 0.00 4.81 0.00 24 0.00 0.00 File#join 0.00 4.81 0.00 8 0.00 0.00 ActiveSupport::Dependencies.autoload_paths 0.00 4.81 0.00 50 0.00 0.00 Exception#set_backtrace 0.00 4.81 0.00 50 0.00 0.00 NameError#initialize 0.00 4.81 0.00 50 0.00 0.00 Exception#initialize 0.00 4.81 0.00 4 0.00 0.00 Array#reject 0.00 4.81 0.00 98 0.00 0.00 Regexp#escape 0.00 4.81 0.00 23 0.00 0.00 Kernel.caller 0.00 4.81 0.00 6 0.00 0.00 String#underscore 0.00 4.81 0.00 374 0.00 0.00 Array#pop 0.00 4.81 0.00 161 0.00 0.00 ActiveSupport::Dependencies::WatchStack#pop_modules 0.00 4.81 0.00 161 0.00 9.81 ActiveSupport::Dependencies::WatchStack#new_constants 0.00 4.81 0.00 163 0.00 0.00 Array#* 0.00 4.81 0.00 6 0.00 0.00 ActiveSupport::Inflector.underscore 0.00 4.81 0.00 159 0.00 0.00 Array#blank? 0.00 4.81 0.00 6 0.00 0.00 String#downcase! 0.00 4.81 0.00 159 0.00 37.42 ActiveSupport::Dependencies::Loadable.require 0.00 4.81 0.00 6 0.00 0.00 String#tr! 0.00 4.81 0.00 124 0.00 0.00 Kernel.respond_to_missing? 0.00 4.81 0.00 86 0.00 0.00 Kernel.respond_to? 0.00 4.81 0.00 93 0.00 0.00 Class#inheritable_attributes 0.00 4.81 0.00 115 0.00 0.00 Kernel.instance_variable_set 0.00 4.81 0.00 80 0.00 0.00 String#gsub! 0.00 4.81 0.00 313 0.00 0.00 BasicObject#singleton_method_added 0.00 4.81 0.00 3 0.00 0.00 BasicObject#initialize 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::LogSubscriber#initialize 0.00 4.81 0.00 1 0.00 0.00 ActiveSupport::LogSubscriber#log_subscribers 0.00 4.81 0.00 1 0.00 0.00 Kernel.public_methods 0.00 4.81 0.00 1 0.00 0.00 ActiveSupport::Notifications::Fanout#initialize 0.00 4.81 0.00 25 0.00 0.00 Kernel.dup 0.00 4.81 0.00 3 0.00 0.00 ActiveSupport::Notifications::Fanout::Subscriber#initialize 0.00 4.81 0.00 6 0.00 0.00 Kernel.tap 0.00 4.81 0.00 6 0.00 0.00 Hash#clear 0.00 4.81 0.00 3 0.00 0.00 ActiveSupport::Notifications::Fanout#subscribe 0.00 4.81 0.00 3 0.00 3.33 ActiveSupport::Notifications.subscribe 0.00 4.81 0.00 1 0.00 10.00 ActiveSupport::LogSubscriber#attach_to 0.00 4.81 0.00 33 0.00 0.00 Kernel.instance_of? 0.00 4.81 0.00 30 0.00 0.00 Hash#extractable_options? 0.00 4.81 0.00 54 0.00 0.00 Array#extract_options! 0.00 4.81 0.00 40 0.00 0.00 Kernel.initialize_dup 0.00 4.81 0.00 10 0.00 0.00 Class#cattr_reader 0.00 4.81 0.00 49 0.00 0.00 Kernel.block_given? 0.00 4.81 0.00 10 0.00 1.00 Class#cattr_writer 0.00 4.81 0.00 10 0.00 1.00 Class#cattr_accessor 0.00 4.81 0.00 12 0.00 0.00 Hash#keys 0.00 4.81 0.00 225 0.00 0.00 NilClass#to_s 0.00 4.81 0.00 54 0.00 0.00 Symbol#inspect 0.00 4.81 0.00 11 0.00 0.00 String#initialize_copy 0.00 4.81 0.00 12 0.00 0.00 Module#alias_method 0.00 4.81 0.00 1 0.00 0.00 Module#public_method_defined? 0.00 4.81 0.00 2 0.00 0.00 Module#public 0.00 4.81 0.00 4 0.00 0.00 ActiveSupport::Dependencies.qualified_name_for 0.00 4.81 0.00 1 0.00 10.00 ActiveSupport::Deprecation.deprecate_methods 0.00 4.81 0.00 1 0.00 10.00 Module#deprecate 0.00 4.81 0.00 8 0.00 0.00 Class#class_attribute 0.00 4.81 0.00 25 0.00 0.00 Kernel.singleton_class 0.00 4.81 0.00 7 0.00 0.00 BasicObject#singleton_method_removed 0.00 4.81 0.00 15 0.00 0.00 Module#remove_method 0.00 4.81 0.00 15 0.00 0.00 Module#remove_possible_method 0.00 4.81 0.00 29 0.00 0.00 Module#define_method 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#table_name_prefix= 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#table_name_suffix= 0.00 4.81 0.00 46 0.00 0.00 Exception#exception 0.00 4.81 0.00 46 0.00 0.00 Exception#backtrace 0.00 4.81 0.00 4 0.00 0.00 Class#_stash_object_in_method 0.00 4.81 0.00 2 0.00 0.00 Class#_superclass_delegating_accessor 0.00 4.81 0.00 2 0.00 0.00 Class#superclass_delegating_accessor 0.00 4.81 0.00 2 0.00 0.00 Module#method_removed 0.00 4.81 0.00 4 0.00 0.00 Class#class_inheritable_reader 0.00 4.81 0.00 4 0.00 0.00 Class#class_inheritable_writer 0.00 4.81 0.00 4 0.00 0.00 Class#class_inheritable_accessor 0.00 4.81 0.00 5 0.00 0.00 Class#write_inheritable_attribute 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#default_scoping= 0.00 4.81 0.00 29 0.00 0.00 String#to_i 0.00 4.81 0.00 84 0.00 0.00 BasicObject#equal? 0.00 4.81 0.00 43 0.00 0.00 Kernel.inspect 0.00 4.81 0.00 59 0.00 0.00 Module#instance_methods 0.00 4.81 0.00 53 0.00 0.00 Symbol#to_proc 0.00 4.81 0.00 330 0.00 0.18 Enumerable.inject 0.00 4.81 0.00 9 0.00 28.89 Module#delegate 0.00 4.81 0.00 7 0.00 0.00 Module#attr_accessor 0.00 4.81 0.00 52 0.00 0.00 Module#private 0.00 4.81 0.00 28 0.00 0.00 Module#protected 0.00 4.81 0.00 49 0.00 0.00 Module#append_features 0.00 4.81 0.00 59 0.00 0.00 Module#included 0.00 4.81 0.00 46 0.00 5.65 Module#include 0.00 4.81 0.00 23 0.00 0.00 Module#attr_reader 0.00 4.81 0.00 331 0.00 0.00 String#sub 0.00 4.81 0.00 34 0.00 0.00 Module#extended 0.00 4.81 0.00 62 0.00 0.16 Kernel.extend 0.00 4.81 0.00 27 0.00 0.00 ActiveSupport::Concern.extended 0.00 4.81 0.00 59 0.00 0.00 ActiveSupport::Concern.included 0.00 4.81 0.00 169 0.00 0.00 ActiveSupport::Dependencies.log_call 0.00 4.81 0.00 7 0.00 0.00 Kernel.instance_variable_get 0.00 4.81 0.00 42 0.00 6.19 ActiveSupport::Concern.append_features 0.00 4.81 0.00 50 0.00 0.00 Kernel.nil? 0.00 4.81 0.00 1 0.00 0.00 File#dirname 0.00 4.81 0.00 1 0.00 0.00 Dir#[] 0.00 4.81 0.00 1 0.00 0.00 Array#sort 0.00 4.81 0.00 11 0.00 0.00 File#basename 0.00 4.81 0.00 12 0.00 0.00 Kernel.freeze 0.00 4.81 0.00 1 0.00 0.00 Kernel.lambda 0.00 4.81 0.00 38 0.00 0.00 Module#< 0.00 4.81 0.00 38 0.00 0.00 Kernel.object_id 0.00 4.81 0.00 334 0.00 0.00 ActiveSupport::Dependencies.logger 0.00 4.81 0.00 31 0.00 0.00 String#intern 0.00 4.81 0.00 23 0.00 0.00 Hash#initialize_copy 0.00 4.81 0.00 15 0.00 0.00 Hash#merge 0.00 4.81 0.00 13 0.00 0.00 ActiveSupport::Callbacks::CallbackChain#initialize 0.00 4.81 0.00 13 0.00 3.85 Class#extlib_inheritable_reader 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_validate_callbacks 0.00 4.81 0.00 15 0.00 0.00 Array#reverse_each 0.00 4.81 0.00 20 0.00 0.00 Array#compact 0.00 4.81 0.00 24 0.00 0.00 Array#join 0.00 4.81 0.00 15 0.00 0.00 ActiveSupport::Callbacks::CallbackChain#compile 0.00 4.81 0.00 18 0.00 0.00 Module#method_defined? 0.00 4.81 0.00 15 0.00 0.00 Kernel.with_warnings 0.00 4.81 0.00 15 0.00 0.00 Kernel.silence_warnings 0.00 4.81 0.00 15 0.00 0.00 ActiveSupport::Callbacks::ClassMethods.__define_runner 0.00 4.81 0.00 11 0.00 5.45 ActiveSupport::Callbacks::ClassMethods.define_callbacks 0.00 4.81 0.00 5 0.00 0.00 Module#attr_writer 0.00 4.81 0.00 3 0.00 0.00 Hash#initialize 0.00 4.81 0.00 3 0.00 0.00 ActiveRecord::Base#_validators= 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#lock_optimistically= 0.00 4.81 0.00 6 0.00 0.00 Class#read_inheritable_attribute 0.00 4.81 0.00 6 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods.attribute_method_matchers 0.00 4.81 0.00 681 0.00 0.00 Module#const_get 0.00 4.81 0.00 19 0.00 0.00 Hash#delete 0.00 4.81 0.00 10 0.00 0.00 Hash#symbolize_keys! 0.00 4.81 0.00 9 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods::AttributeMethodMatcher#initialize 0.00 4.81 0.00 1 0.00 0.00 Module#initialize 0.00 4.81 0.00 6 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods.generated_attribute_methods 0.00 4.81 0.00 6 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods.undefine_attribute_methods 0.00 4.81 0.00 5 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods.attribute_method_suffix 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#attribute_types_cached_by_default= 0.00 4.81 0.00 2 0.00 0.00 ActiveRecord::Base#time_zone_aware_attributes= 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#skip_time_zone_conversion_for_attributes= 0.00 4.81 0.00 1 0.00 0.00 ActiveModel::AttributeMethods::ClassMethods.attribute_method_affix 0.00 4.81 0.00 1 0.00 0.00 Singleton.append_features 0.00 4.81 0.00 1 0.00 0.00 Module#private_class_method 0.00 4.81 0.00 3 0.00 0.00 Mutex#initialize 0.00 4.81 0.00 8 0.00 26.25 BasicObject#instance_eval 0.00 4.81 0.00 1 0.00 0.00 Singleton.__init__ 0.00 4.81 0.00 1 0.00 0.00 Singleton.included 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#record_timestamps= 0.00 4.81 0.00 1 0.00 0.00 ActiveModel::Callbacks.extended 0.00 4.81 0.00 27 0.00 1.85 ActiveRecord::Callbacks::ClassMethods.method_added 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_validation_callbacks 0.00 4.81 0.00 10 0.00 0.00 Array#wrap 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_initialize_callbacks 0.00 4.81 0.00 7 0.00 0.00 ActiveModel::Callbacks._define_after_model_callback 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_find_callbacks 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_touch_callbacks 0.00 4.81 0.00 2 0.00 10.00 ActiveModel::Callbacks.define_model_callbacks 0.00 4.81 0.00 7 0.00 0.00 Array#to_ary 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_save_callbacks 0.00 4.81 0.00 4 0.00 0.00 ActiveModel::Callbacks._define_before_model_callback 0.00 4.81 0.00 4 0.00 0.00 ActiveModel::Callbacks._define_around_model_callback 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_create_callbacks 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_update_callbacks 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_destroy_callbacks 0.00 4.81 0.00 9 0.00 0.00 Module#autoload 0.00 4.81 0.00 5 0.00 2.00 Module#mattr_reader 0.00 4.81 0.00 5 0.00 0.00 Module#mattr_writer 0.00 4.81 0.00 5 0.00 2.00 Module#mattr_accessor 0.00 4.81 0.00 1 0.00 0.00 Kernel.proc 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#nested_attributes_options= 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Associations::ClassMethods.valid_keys_for_has_one_association 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Associations::ClassMethods.valid_keys_for_belongs_to_association 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Associations::ClassMethods.valid_keys_for_has_many_association 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Associations::ClassMethods.valid_keys_for_has_and_belongs_to_many_association 0.00 4.81 0.00 1 0.00 0.00 ActiveSupport::JSON::Encoding.escape_html_entities_in_json= 0.00 4.81 0.00 1 0.00 0.00 ActiveSupport::Deprecation::DeprecatedConstantProxy#initialize 0.00 4.81 0.00 1 0.00 0.00 ActiveSupport::Deprecation::DeprecationProxy#new 0.00 4.81 0.00 3 0.00 0.00 String#initialize 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#include_root_in_json= 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_commit_callbacks 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#_rollback_callbacks 0.00 4.81 0.00 2 0.00 0.00 Module#public_instance_methods 0.00 4.81 0.00 1 0.00 10.00 NilClass#add_whiner 0.00 4.81 0.00 39 0.00 0.00 Kernel.class 0.00 4.81 0.00 2 0.00 0.00 Enumerable.each_entry 0.00 4.81 0.00 2 0.00 0.00 Set#do_with_enum 0.00 4.81 0.00 2 0.00 0.00 Set#merge 0.00 4.81 0.00 2 0.00 0.00 Set#initialize 0.00 4.81 0.00 2 0.00 0.00 Enumerable.to_set 0.00 4.81 0.00 2 0.00 0.00 Struct#new 0.00 4.81 0.00 3 0.00 0.00 Module#method_undefined 0.00 4.81 0.00 3 0.00 0.00 Module#undef_method 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::ConnectionAdapters::ConnectionHandler#initialize 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#connection_handler= 0.00 4.81 0.00 4 0.00 0.00 ActiveRecord::Base#inspect 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::ConnectionAdapters::QueryCache.dirties_query_cache 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::ConnectionAdapters::QueryCache.included 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::ConnectionAdapters::AbstractAdapter#_checkout_callbacks 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::ConnectionAdapters::AbstractAdapter#_checkin_callbacks 0.00 4.81 0.00 1 0.00 0.00 Arel::Sql::Engine#initialize 0.00 4.81 0.00 1 0.00 0.00 Arel::Table#engine= 0.00 4.81 0.00 7 0.00 30.00 ActiveSupport.execute_hook 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#default_timezone= 0.00 4.81 0.00 6 0.00 0.00 ActiveRecord::Base#logger 0.00 4.81 0.00 1 0.00 0.00 Rails.logger 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#logger= 0.00 4.81 0.00 3 0.00 0.00 Rails::Application::Configurable.config 0.00 4.81 0.00 2 0.00 0.00 Hash#key? 0.00 4.81 0.00 1 0.00 0.00 Rails::Railtie::Configuration#method_missing 0.00 4.81 0.00 5 0.00 0.00 Hash#each 0.00 4.81 0.00 1 0.00 0.00 Rails::Application::Configuration#paths 0.00 4.81 0.00 2 0.00 0.00 Rails::Paths::PathParent.method_missing 0.00 4.81 0.00 2 0.00 0.00 Pathname#to_s 0.00 4.81 0.00 1 0.00 0.00 Array#flatten! 0.00 4.81 0.00 1 0.00 0.00 Rails::Paths::Path#paths 0.00 4.81 0.00 1 0.00 0.00 IO#read 0.00 4.81 0.00 36 0.00 0.00 BasicObject#== 0.00 4.81 0.00 3 0.00 0.00 Fixnum#=== 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#prepare_trim_mode 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#initialize 0.00 4.81 0.00 8 0.00 0.00 Array#push 0.00 4.81 0.00 1 0.00 0.00 ERB#set_eoutvar 0.00 4.81 0.00 1 0.00 0.00 String#encoding 0.00 4.81 0.00 1 0.00 0.00 Encoding#dummy? 0.00 4.81 0.00 2 0.00 0.00 String#force_encoding 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#detect_magic_comment 0.00 4.81 0.00 1 0.00 0.00 Encoding#to_s 0.00 4.81 0.00 3 0.00 0.00 ERB::Compiler::Buffer#push 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler::Buffer#initialize 0.00 4.81 0.00 80 0.00 0.00 Kernel.hash 0.00 4.81 0.00 1 0.00 0.00 Array#hash 0.00 4.81 0.00 2 0.00 0.00 Kernel.eql? 0.00 4.81 0.00 1 0.00 0.00 Array#eql? 0.00 4.81 0.00 1 0.00 0.00 Hash#fetch 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler::Scanner#initialize 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler::Scanner#make_scanner 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#make_scanner 0.00 4.81 0.00 1 0.00 0.00 StringScanner#initialize 0.00 4.81 0.00 2 0.00 0.00 StringScanner#eos? 0.00 4.81 0.00 1 0.00 0.00 StringScanner#scan 0.00 4.81 0.00 2 0.00 0.00 StringScanner#[] 0.00 4.81 0.00 1 0.00 0.00 Symbol#=== 0.00 4.81 0.00 8 0.00 0.00 String#=== 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler::SimpleScanner2#scan 0.00 4.81 0.00 1 0.00 0.00 String#count 0.00 4.81 0.00 1 0.00 0.00 String#dump 0.00 4.81 0.00 1 0.00 0.00 String#* 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#content_dump 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler::Buffer#close 0.00 4.81 0.00 1 0.00 0.00 ERB::Compiler#compile 0.00 4.81 0.00 1 0.00 0.00 ERB#initialize 0.00 4.81 0.00 1 0.00 0.00 String#concat 0.00 4.81 0.00 1 0.00 0.00 Kernel.eval 0.00 4.81 0.00 1 0.00 0.00 ERB#result 0.00 4.81 0.00 1 0.00 0.00 Syck::Parser#initialize 0.00 4.81 0.00 1 0.00 0.00 Syck.resolver 0.00 4.81 0.00 1 0.00 0.00 Syck::Parser#set_resolver 0.00 4.81 0.00 1 0.00 0.00 Syck.parser 0.00 4.81 0.00 31 0.00 0.00 #<Syck::Resolver:0x9512a8>.node_import 0.00 4.81 0.00 1 0.00 0.00 Syck::Parser#load 0.00 4.81 0.00 1 0.00 0.00 Syck.load 0.00 4.81 0.00 1 0.00 20.00 Rails::Application::Configuration#database_configuration 0.00 4.81 0.00 1 0.00 0.00 ActiveRecord::Base#configurations= 0.00 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0.00 0.00 String#=~ 0.00 4.81 0.00 1 0.00 10.00 Arel::Relation.project 0.00 4.81 0.00 1 0.00 30.00 Dead#kennedy 0.00 4.81 0.00 1 0.00 30.00 Object#profile_me 0.00 4.81 0.00 1 0.00 4810.00 #toplevel -
James Harton
Oh, and the other thing I have learned is that the amount of RAM is directly proportional to the number of fields each table has and is not related to the database driver.
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Rohit Arondekar- Importance changed from to Low
James, can you confirm this on the latest version 3 release?
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rails- Tag changed from arel 1.0.1, memory leak, rails 3.0.0, arel, performance, rails3 to arel 101, memory leak, rails 300, arel, performance, rails3
- State changed from new to open
This issue has been automatically marked as stale because it has not been commented on for at least three months.
The resources of the Rails core team are limited, and so we are asking for your help. If you can still reproduce this error on the 3-0-stable branch or on master, please reply with all of the information you have about it and add "[state:open]" to your comment. This will reopen the ticket for review. Likewise, if you feel that this is a very important feature for Rails to include, please reply with your explanation so we can consider it.
Thank you for all your contributions, and we hope you will understand this step to focus our efforts where they are most helpful.
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rails
- State changed from open to stale