ActiveRecordがメモリを食って解放しない問題 - Qiita

[1] pry(main)> ObjectSpace.each_object(ActiveRecord::Base).count => 0 [2] pry(main)> User.limit(100) User Load (1.5ms) SELECT `users`.* FROM `users` LIMIT 10 [4] pry(main)> ObjectSpace.each_object(ActiveRecord::Base).count => 100 [5] pry(main)> User.limit(100) User Load (0.3ms) SELECT `users`.* FROM `users` LIMIT 10 [7] pry(main)> ObjectSpace.each_object(ActiveRecord::Base).count => 200 作ったActiveR

[God-kami]

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[akatakun]

不要なincludesはしない，不要なカラムはロードしない，手動でメモリの解放も考える