再現ができない？特定ができない？ZOZOTOWNアプリのトップクラッシュに立ち向かった話 /dealing with top crash of zozotown app

Transcript

1. ࠶ݱ͕Ͱ͖ͳ͍ʁಛఆ͕Ͱ͖ͳ͍ʁZOZOTOWN ΞϓϦͷτοϓΫϥογϡʹཱͪ޲͔ͬͨ࿩ גࣜձࣾZOZOςΫϊϩδʔζ ZOZOTOWNຊ෦ɹZOZOΞϓϦ෦ ྛ ߒஐ Copyright © ZOZO Technologies, Inc. iOSDC Japan 2021 2021/09/18 16:35ʙ Track A
2. © ZOZO Technologies, Inc. גࣜձࣾZOZOςΫϊϩδʔζ ZOZOTOWNຊ෦ɹZOZOΞϓϦ෦ ྛ ߒஐ(@chichilam86) • தࠃग़਎ • 2019/4 ZOZOςΫϊϩδʔζʹೖࣾ • ZOZOTOWN iOSΞϓϦͷ։ൃΛ୲౰͍ͯ͠·͢ 2
3. © ZOZO Technologies, Inc. 3 ͸͡Ίʹ ࠶ݱ͕Ͱ͖ͳ͍ʁಛఆ͕Ͱ͖ͳ͍ʁZOZOTOWN ΞϓϦͷτοϓΫϥογϡʹཱͪ޲͔ͬͨ࿩
4. © ZOZO Technologies, Inc. 4 ̍̌೥ͿΓͷϦχϡʔΞϧ
5. © ZOZO Technologies, Inc. 5 ϦχϡʔΞϧ ։ൃظ 2"
   ϲ݄ ؍ଌ ZOZOTOWN 7.0.0 UIͷ࡮৽ ZOZO GLASS طଘը໘ͷ৽ػೳ௥Ճ ϦϑΝΫλϦϯά etc.
6. © ZOZO Technologies, Inc. 6 Ϋϥογϡݕ஌
7. © ZOZO Technologies, Inc. 7 Ϋϥογϡݕ஌ WARNING
8. © ZOZO Technologies, Inc. 8 Ϋϥογϡݕ஌ ͦͷΫϥογϡ͕τοϓΫϥογϡͱͯ͠
   ೔ʹ਺ઍ݅ൃੜ
9. © ZOZO Technologies, Inc. 9 Ϋϥογϡݕ஌ Ϋϥογϡϩά UIViewͷextension
10. © ZOZO Technologies, Inc. 10 extension UIView { func capture() -> UIImage? { UIGraphicsBeginImageContextWithOptions(bounds.size, false, 0) var image: UIImage? if let context = UIGraphicsGetCurrentContext() { layer.render(in: context) image = UIGraphicsGetImageFromCurrentImageContext() } UIGraphicsEndImageContext() return image } } ϏϡʔશମΛը૾ͱͯ͠ ॻ͖ग़͢ Ϋϥογϡݕ஌
11. © ZOZO Technologies, Inc. 11 Ϋϥογϡݕ஌
12. © ZOZO Technologies, Inc. ঎඼ৄࡉը໘ 12 UIViewControllerAnimatedTransitioning UIView.captureͰ ը૾ʹग़ྗ UIView.captureͰ ը૾ʹग़ྗ Ϋϥογϡݕ஌ Ϧετը໘ Ϧετը໘ ͷίϐʔ ঎඼ৄࡉը໘ ͷίϐʔ
13. © ZOZO Technologies, Inc. 13 ࣮͸ੲ͔ΒରԠʹྀ͍ۤͯͨ͠Ϋϥογϡ Ϋϥογϡݕ஌ τοϓͰ͸ͳ͍
14. © ZOZO Technologies, Inc. 14 😇ϦχϡʔΞϧΛܴ͑ͨ Ϋϥογϡݕ஌ w ࠶ݱ͕Ͱ͖ͳ͍
    w ಛఆ͕Ͱ͖ͳ͍ 2"νʔϜͰௐࠪɾݕূΛߦͳ͕ͬͨ࠶ݱ͕Ͱ͖ͳ͔ͬͨ ઃܭ͸վળͷ༨஍͕͋Δ͕ɺΫϥογϡͷ௚઀ͷݪҼͰ΋ͳ͍ ࣮͸ੲ͔ΒରԠʹྀ͍ۤͯͨ͠Ϋϥογϡ τοϓͰ͸ͳ͍
15. © ZOZO Technologies, Inc. 15 Ϋϥογϡղੳ
16. © ZOZO Technologies, Inc. 16 Ϋϥογϡղੳ ͳͥࠓ͞Βൃੜ݅਺͕૿͑ͨͷ͔🧐
17. © ZOZO Technologies, Inc. ͳͥࠓ͞Βൃੜ݅਺͕૿͑ͨͷ͔🧐 17 Ϋϥογϡղੳ 📩
    ʮ࢖͍ଓ͚ΔͱΞϓϦ͕མͪΔʯͱ͍͏ϑΟʔυόοΫ ͓٬༷ͷҙݟ Hint
18. © ZOZO Technologies, Inc. 18 Ϋϥογϡղੳ 📩
    ʮ࢖͍ଓ͚ΔͱΞϓϦ͕མͪΔʯͱ͍͏ϑΟʔυόοΫ ͓٬༷ͷҙݟ ࢖͑͹࢖͏΄Ͳ ϝϞϦ͕஝ੵ͍ͯ͘͠ 📈
    ϗʔϜը໘͕̏ͭʹͳͬͯදࣔ͢Δίϯςϯπ͕૿͑ͨ
    📈
    ֤঎඼Ϧετϖʔδ͸ҎલΑΓཁૉ͕૿͑ͨ
    📈
    ঎඼ৄࡉϖʔδ΋Ϧονʹͳͬͨ ϦχϡʔΞϧʹΑΔมߋ ϝϞϦͷফඅ্͕͕Δ ͳͥࠓ͞Βൃੜ݅਺͕૿͑ͨͷ͔🧐
19. © ZOZO Technologies, Inc. ΞϓϦ͕ՔಇதͷશͯͷϝϞϦه࿥ 19 Ϋϥογϡղੳ
20. © ZOZO Technologies, Inc. 20 Ϋϥογϡղੳ ̍ճͷભҠͰҰཡϖʔδͱৄࡉϖʔδΛ߹Θͤͯ20Mbʂͷը૾ϝϞϦ
21. © ZOZO Technologies, Inc. 21 …. 5JNF .FNPSZ Ϋϥογϡ ྦྷੵϝϞϦ εΫϦʔϯγϣοτͷҰ࣌ϝϞϦ Ϋϥογϡղੳ Ϧετ ৄࡉ Ϧετ ৄࡉ Ϧετ ৄࡉ
22. © ZOZO Technologies, Inc. 22 ղܾʹ޲͚ͯ
23. © ZOZO Technologies, Inc. ঎඼ৄࡉը໘ 23 UIViewControllerAnimatedTransitioning UIView.captureͰ ը૾ʹग़ྗ UIView.captureͰ ը૾ʹग़ྗ Ϋϥογϡݕ஌ Ϧετը໘ Ϧετը໘ ͷίϐʔ ঎඼ৄࡉը໘ ͷίϐʔ
24. © ZOZO Technologies, Inc. ঎඼ৄࡉը໘ 24 UIViewControllerAnimatedTransitioning Ϋϥογϡݕ஌ Ϧετը໘ ঎඼ৄࡉը໘ࣗମͷಁ໌ ౓ௐ੔
25. © ZOZO Technologies, Inc. ղܾʹ޲͚ͯ 25 ΞϓϦ͕ՔಇதͷશͯͷϝϞϦه࿥ 👍20Mbͷը૾ϝϞϦ͕ͳ͘ͳΓϝϞϦফඅ͕ΏΔ΍͔ʹ
26. © ZOZO Technologies, Inc. ղܾʹ޲͚ͯ 26 w 6*7JFXDBQUVSFͷΫϥογϡ͕ݮগ
    w શମతʹͦͷमਖ਼ʹΑΔ৽نΫϥογϡ͸ͳ͍ ✅Bug Fixed
27. © ZOZO Technologies, Inc. ·ͱΊ 27 Ϋϥογϡ͸։ൃதʹؾ͕͚ͭͳ͍͜ͱ͕ଟ͍
    ϦϦʔεޙͷ؍ଌ͕ॏཁʹͳΔ 📝ಛఆͷ৚͔݅͠ൃੜ͠ͳ͍Ϋϥογϡ͕͋Δ
28. © ZOZO Technologies, Inc. ·ͱΊ 28 Ϋϥογϡ͕࠶ݱɾಛఆͰ͖ͳ͍৔߹ɺ
    શମΛ၆ᛌͯ͠ԾઆΛཱͯͯΈ·͠ΐ͏ 🔍ϝϞϦͷফඅɺ௨৴ঢ়گɺϓογϡ͔ΒͷىಈͳͲ
    📩͓٬༷ͷҙݟ͕)JOUʂόάΛݟ͚ͭͨΒڭ͍͑ͯͩ͘͞ʂ
29. © ZOZO Technologies, Inc. ·ͱΊ 29 ٕज़ͷ࡮৽Λҙࣝ͠·͠ΐ͏ 💣߈Ί࣮ͨ૷͸ࢥΘ͵ͱ͜Ζʹෆ۩߹͕ى͖Δ͔΋͠Εͳ͍
    🙋௕೥ܧଓӡ༻͍ͯ͠ΔΞϓϦ͸ͳ͓͞Βʂ
    
    
    
    աڈʹෳࡶԽ͍ͯͨ͠ػೳ͸ࠓͳΒ؆୯ʹͰ͖Δ෦෼΋͋Δʂ
    💧ˢղੳ΍ݕূ͕େม͕ͩԸܙΛड͚ΒΕΔ͸ͣ
30. © ZOZO Technologies, Inc. 30