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〇〇を切り出したいときに / Extract something from big rails app
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Masayuki Izumi
July 29, 2018
Programming
0
350
〇〇を切り出したいときに / Extract something from big rails app
TokyuRuby会議12 での飛び入り LT 資料です
http://regional.rubykaigi.org/tokyu12/
Masayuki Izumi
July 29, 2018
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Transcript
ʓʓΛΓग़͍ͨ͠ͱ͖ʹ ͓͓͖ΊͷϦϑΝΫλΛΔPO3BJMTʢʁʣ TokyuRubyKaigi #12 !J[VNJO 2018.7.29 -
izumin5210 Engineer at Wantedly, Inc. Wantedly People ‣ Web Application
Engineer - Profile Data Strategy Group ‣ Interests in developer productivity on microservices Gopher, Rubyist, JavaScripter and Androider
˓˓ΛΓग़͍ͨ͠ɾҠߦ͍ͨ͠ ͍·Θͤͦ͏ͳ࣮ %# .PEFM ػೳ γεςϜͷҰ෦
ςετΛॻ͜͏ ϩάΛͱΖ͏ ͍͞͠ΐʹߟ͑Δ͜ͱ
ςετΛॻ͜͏ ͦͦςετϦϑΝΫλϦϯάͷͨΊʹ͋Δʢۃʣ ίʔυ͕յΕΔͱςετ͕མͪͯؾ͚ͮͯศར ͳ͔ͬͨΒؤுͬͯॻ͘ʢنʹΑͬͯఘΊ؊৺ʣ ϩάΛͱΖ͏
͍͞͠ΐʹߟ͑Δ͜ͱ
ςετΛॻ͜͏ ϩάΛͱΖ͏ Ͳ͏͍͏ܦ࿏Ͱར༻͞ΕΔ͔ɼͲΕ͘Β͍ར༻͞ΕΔ͔ ͦͦESPQͰ͖ͳ͍͔ յΕͦ͏ͳͱ͜ΖͷςετΛॏతʹॻ͚Δ
͍͞͠ΐʹߟ͑Δ͜ͱ
DBMMFSΛه͢Δ ࡶʹϩάΛཷΊࠐΊΔπʔϧɾαʔϏεΛ͏ ƁŞƄŪžUJQT
DBMMFSΛه͢Δ ͡ `Thread.current[:controller] = controller_name`͠ͱ͘ͱศར ͋͘·ͰҰ࣌తͳϩάऩूͳͷͰɼਖ਼͠͞खܰ͞ɾརศੑ
ࡶʹϩάΛཷΊࠐΊΔπʔϧɾαʔϏεΛ͏ ƁŞƄŪžUJQT caller.find do |c| !c.to_s.start_with?(Bundler.bundle_path.to_s) && c.to_s.start_with?(Rails.root.to_s) end
DBMMFSΛه͢Δ ࡶʹϩάΛཷΊࠐΊΔπʔϧɾαʔϏεΛ͏ ʮϨεϙϯεʹӨڹΛ༩͑ͳ͍ʯॏཁ ͍͍ײ͡ʹCVGGFSJOHͨ͠ΓඇಉظͰσʔλૹͬͯ͘ΕΔ܅Λ͔ͭ͏ fluent-logger-ruby
td-logger-ruby FUD Ұ࣌తͳϩάऩूͳͷͰɼਖ਼͠͞खܰ͞ɾརศੑେͳ͜ͱͳͷͰʢ͈́ ƁŞƄŪžUJQT
DBMMFSΛه͢Δ ࡶʹϩάΛཷΊࠐΊΔπʔϧɾαʔϏεΛ͏ ʮϨεϙϯεʹӨڹΛ༩͑ͳ͍ʯॏཁ ͍͍ײ͡ʹCVGGFSJOHͨ͠ΓඇಉظͰσʔλૹͬͯ͘ΕΔ܅Λ͔ͭ͏ qVFOUMPHHFSSVCZ
UEMPHHFSSVCZ FUD Ұ࣌తͳϩάऩूͳͷͰɼਖ਼͠͞खܰ͞ɾརศੑେͳ͜ͱͳͷͰʢ͈́ ƁŞƄŪžUJQT caller_app = caller.find do |c| !c.to_s.start_with?(Bundler.bundle_path.to_s) && c.to_s.start_with?(Rails.root.to_s) end TD.event.post("hoge_log", { caller_app: caller_app, request_controller: Tread.current[:request_controller], request_action: Tread.current[:request_action], # sinp. }) Կߟ͑ͣʢUFTUBCJMJUZʹӨڹΛ༩͑ͣʣɼࡶʹϩά͛ΒΕΔͷ3VCZ͔ͩΒͦ͜
DBMMFSΛه͢Δ ࡶʹϩάΛཷΊࠐΊΔπʔϧɾαʔϏεΛ͏ ʮϨεϙϯεʹӨڹΛ༩͑ͳ͍ʯॏཁ ͍͍ײ͡ʹCVGGFSJOHͨ͠ΓඇಉظͰσʔλૹͬͯ͘ΕΔ܅Λ͔ͭ͏ qVFOUMPHHFSSVCZ
UEMPHHFSSVCZ FUD Ұ࣌తͳϩάऩूͳͷͰɼਖ਼͠͞खܰ͞ɾརศੑେͳ͜ͱͳͷͰʢ͈́ ƁŞƄŪžUJQT class ActiveRecrod::Relation def eager_loading? super.tap do |loading| if loading # send logs end end end 3VCZͳͷͰܭଌ༻ίʔυͲ͜ʹͰࠐΊΔ ʢ˞༻͕ࡁΜͩΒফ͠·͠ΐ͏ʣ
ίʔυͷมߋൣғΛ࠷খʹཹΊΔ Ϛϝʹຊ൪ʹग़͢ ෳࡶͳͱ͜ΖΕͳ͍͔ৄ͍͠ਓʹฉ͘ Ͳ͏ͬͯ͢͢ΊΔʁ
ίʔυͷมߋൣғΛ࠷খʹཹΊΔ ΞϓϦ͕σΧ͘ͳΔͱཏతʹมߋ͢Δͷେม FH%#ׂͰAProfileA͕AProfileDb::ProfileAʹͳΓ·͢ͱ͔มߋྔଟ͗ͯ͢ແཧ ϕʔεΫϥεΛม͑ΔʢAApplicationRecordAAProfileRecordAʣͱ͔ͳΒ·ͩΘ͔Δ ӨڹൣғΛࡶʹѲ͢ΔͷʹΫϥεਤॻ͘ͱศར
Ϛϝʹຊ൪ʹग़͢ ෳࡶͳͱ͜ΖΕͳ͍͔ৄ͍͠ਓʹฉ͘ Ͳ͏ͬͯ͢͢ΊΔʁ
ίʔυͷมߋൣғΛ࠷খʹཹΊΔ ΞϓϦ͕σΧ͘ͳΔͱཏతʹมߋ͢Δͷେม FH%#ׂͰAProfileA͕AProfileDb::ProfileAʹͳΓ·͢ͱ͔มߋྔଟ͗ͯ͢ແཧ ϕʔεΫϥεΛม͑ΔʢAApplicationRecordAAProfileRecordAʣͱ͔ͳΒ·ͩΘ͔Δ ӨڹൣғΛࡶʹѲ͢ΔͷʹΫϥεਤॻ͘ͱศར
Ϛϝʹຊ൪ʹग़͢ ෳࡶͳͱ͜ΖΕͳ͍͔ৄ͍͠ਓʹฉ͘ Ͳ͏ͬͯ͢͢ΊΔʁ ػցతʹੜͰ͖Δؾ͢Δ͕ɼͲΕ͘Β͍3VCZͷຐज़ΛͬͯΔ͔ʹґଘ͢Δ ˢͷΫϥεਤHSFQ
ίʔυͷมߋൣғΛ࠷খʹཹΊΔ Ϛϝʹຊ൪ʹग़͢ ҰؾʹΔͱյΕͨͱ͖ʹݪҼڀ໌͕େม ෳࡶͳͱ͜ΖΕͳ͍͔ৄ͍͠ਓʹฉ͘ Ͳ͏ͬͯ͢͢ΊΔʁ
ίʔυͷมߋൣғΛ࠷খʹཹΊΔ Ϛϝʹຊ൪ʹग़͢ ෳࡶͳͱ͜ΖΕͳ͍͔ৄ͍͠ਓʹฉ͘ ͨ·ʔʹʮ͜ΜͳΜઈରແཧΖ͆ʯΈ͍ͨͳͷ͕͋Δ ΊͬͪΌ"SFM͝ʹΐ͝ʹΐͯ͠Δͱ͔ɼΞϓϦͷίΞʹΊͬͪΌґଘͯ͠Δͱ͔
ͦ͏͍͏ͷ༷ͦͦΛΕͳ͍͔ɾଞͷ࣮͕ͳ͍͔ߟ͑Δ υϝΠϯʹৄ͍͠ਓʹͬͯΒ͏ͷ͕٢ Ͳ͏ͬͯ͢͢ΊΔʁ
͍ͪΜॏཁͳϙΠϯτ ʢݸਓతʹʣ
͍ͱےͰԡ͠Δ ظઓʹͳΔͱ৺͕ંΕͦ͏ʹͳΔ ˞͜ͷͱ͖ʢ%#ׂʣͰڧߦಥഁͨ͠ͷͰ͔͢ΓইͰࡁΜͩ
࣮ࡍʹͦͦ͜͜Ͱ͔͍ΞϓϦͰͬͨࣄྫ
࣮ࡍʹͦͦ͜͜Ͱ͔͍ΞϓϦͰͬͨࣄྫ ͜͜ʹه͢ʹ༨ന͕ڱ͗͢Δ
None
͖ͭͮ Ͱʂ