ソフトウェア開発における 「設計」と「パフォーマンス」の相互作用 / Interaction Between Design and Performance on
Software Development

Transcript

1. 1.

   ιϑτ΢ΣΞ։ൃʹ͓͚Δ
   ʮઃܭʯͱʮύϑΥʔϚϯεʯͷ૬ޓ࡞༻
   Interaction Between Design and Performance on
 Software Development

   ઃܭNight2018 @moznion
2. 2.

   @moznion Software Engineer ࠷ۙαϒςΫʹೖΓ·ͨ͠

3. 3.

   DISCLAIMER

4. 4.

   ۩ମతͳιϑτ΢ΣΞઃܭٕ๏ɾख๏ͷ
 ࿩୊͸ଞͷൃදʹৡΓ·͢

5. 5.

   ʮઃܭʯͱʮύϑΥʔϚϯεʯ

6. 6.

   ύϑΥʔϚϯεͷఆٛ (؆ܿʹ) - ߴ଎ʹϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ͨ͘͞ΜϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ʮਖ਼֬ʹʯ

7. 7.

   ύϑΥʔϚϯεͷఆٛ (؆ܿʹ) - ߴ଎ʹϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ͨ͘͞ΜϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ʮਖ਼֬ʹʯ

8. 8.

   ύϑΥʔϚϯεͷఆٛ (؆ܿʹ) - ߴ଎ʹϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ͨ͘͞ΜϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ʮਖ਼֬ʹʯ

9. 9.

   ύϑΥʔϚϯεͷఆٛ (؆ܿʹ) - ߴ଎ʹϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ͨ͘͞ΜϨεϙϯεΛฦ͢͜ͱ͕Ͱ͖Δ - ʮਖ਼֬ʹʯ

10. 10.

    ͳͥύϑΥʔϚϯεΛ௥ٻ͢Δͷ͔

11. 11.

    - ྑ͍Πϯλʔωοτମݧͷఏڙ - ΑΓଟ͍ʮػձʯͷ૑ग़ - Πϯϑϥઃඋͷ࠷దԽ - ==> ͭ·Γθχ΍ʂʂʂʂʂʂ ͳͥύϑΥʔϚϯεΛ௥ٻ͢Δͷ͔

12. 12.

    - ྑ͍Πϯλʔωοτମݧͷఏڙ - ΑΓଟ͍ʮػձʯͷ૑ग़ - Πϯϑϥઃඋͷ࠷దԽ - => ͭ·Γθχ΍ʂʂʂʂʂʂ ͳͥύϑΥʔϚϯεΛ௥ٻ͢Δͷ͔

13. 13.

    ͭ·Γθχ΍ʂʂʂʂʂ

14. 14.

    ύϑΥʔϚϯεͤ͞΍͍͢ઃܭʁ

15. 15.

    - ΞϧΰϦζϜ - σʔλߏ଄ - (ϋʔυ΢ΣΞ) ύϑΥʔϚϯεͤ͞΍͍͢ઃܭ (Ұྫ) - ϑΝϯΞ΢τ

    - ΩϡʔΠϯά - Ωϟογϡ ɹ- όον ਨ௚ࢦ޲ ਫฏࢦ޲ ͦͷଞ
16. 16.

    ਨ௚ࢦ޲ͷઃܭ

17. 17.

    - ద੾ͳΞϧΰϦζϜͷద༻ - ద੾ͳσʔλߏ଄ͷద༻ - සग़) ୳ࡧɼιʔτͳͲ - ͳΜͰ΋͔ΜͰ΋ϋϯϚʔΛ࢖ͬͯ͸ͩΊ ਨ௚ࢦ޲ͷઃܭ

18. 18.

    - ΞϧΰϦζϜ΍σʔλߏ଄͸খ͍͞ύʔπ - ଞͷઃܭख๏ͱͷ૊Έ߹Θ͕ͤൺֱత༰қ - => ੹຿͕໌֬Ͱ͋Δ͜ͱʹڌΓͦ͏ - ࠜຊతͳύϑΥʔϚϯεվળΛਤΔͳΒ͜͜ʂ ਨ௚ࢦ޲ͷઃܭ

19. 19.

    - ʮҰ൪͍͍ϚγϯΛཔΉʯ - ϋʔυ΢ΣΞઃܭͷਐาʹཔΔʂʂʂ - ࠓճͷ࿩୊ͱ͸Ұ੾ؔ܎ͳ͍Ͱ͢ - ͱ͸͍͑ϋʔυ΢ΣΞͷਐาʹΑͬͯ
 ιϑτ΢ΣΞઃܭͷٕ๏͕มΘΔ͜ͱ͸͋Γͦ͏ ਨ௚ࢦ޲ͷઃܭ

    (൪֎)
20. 20.

    ਫฏࢦ޲ͷઃܭ

21. 21.

    - ϑΝϯΞ΢τ - ෳ਺ͷϓϩηεɾϚγϯͰฒߦॲཧ - ෳ਺ͷϓϩηεɾϚγϯͰฒྻॲཧ (ڠௐॲཧ) - (Reactive...?) -

    ϑΝϯΠϯ͕ཁΔ (৔߹͕͋Δ) ਫฏࢦ޲ͷઃܭ
22. 22.

    - ΩϡʔΠϯά - δϣϒΩϡʔͰޙճ͠େ࡞ઓ (™@nekokak) - ཁ͸όοϑΝϨΠϠʔʹॲཧΛ٧ΊࠐΉ - ϫʔΧʔ (૬౰)

    ͕ॲཧΛ੥͚ෛ͏ - εϩοτϦϯά͕͠΍͍͢ ਫฏࢦ޲ͷઃܭ queue (buffer)
23. 23.

    - ΩϡʔΠϯά - ҎԼΛຬ଍͢Δ؀ڥͰ͋Ε͹ຊ౰ʹޮՌత - ϦΞϧλΠϜੑ͕ٻΊΒΕͳ͍ - ஗Ԇ͕ڐ༰͞ΕΔ ਫฏࢦ޲ͷઃܭ queue

    (buffer)
24. 24.

    - (ଟ͘ͷ৔߹) ඇಉظॲཧ͔Βಀ͛ΒΕͳ͍ - ඇಉظॲཧ͕ϏδωεϩδοΫʹ
 ͢ΜͳΓ࣮૷͞ΕΔ͜ͱ͸ͦ͏ଟ͘͸ͳ͍ - ϓϩτίϧελοΫͷ࣮૷౳Ͱ͸͋Δ͔΋ ਫฏࢦ޲ͷઃܭ

25. 25.

    - ඇಉظͰ΋ಈ͘Α͏ʹ࣮૷͢Δඞཁ͕ग़ͯ͘Δ - ྫ - ॱংੑʹڍಈΛࢧ഑͞Εͳ͍ - ႈ౳ੑΛ୲อ࣮ͯ͠૷͢Δ - ௚ײʹ൓͢Δ৔߹͕ଟ͍……

    ਫฏࢦ޲ͷઃܭ
26. 26.

    - ύϑΥʔϚϯεͷͨΊͷ౎߹͕ϏδωευϝΠϯͷ
 ઃܭΛ࿪Ί͕ͪ - ஫ҙਂ͘ઃܭ͢Δͱ͏·͘ಇ͘৔߹΋͋Δ (ޙड़) - (ʮӡ͕ྑ͚Ε͹ʯ͔΋͠Εͳ͍) - ͏͔ͬΓૉ๿ʹ࣮૷͢Δͱ……ᄾݺ

    ਫฏࢦ޲ͷઃܭ
27. 27.

    - ࡶଟͳۤ͠ΈΛݺͼ͕ͪ - ϨʔείϯσΟγϣϯ - ϦτϥΠ - εςʔτͷෆ੔߹ - ͳͲͳͲ……

    - Ref: ෼ࢄΩϡʔͱ͍͏໊ͷۤ͠Έ - Software Transactional Memo
 http://kumagi.hatenablog.com/entry/queue_struggle ਫฏࢦ޲ͷઃܭ
28. 28.

    - εέʔϧ͢Δʢ͠΍͍͢ʣʂʂ - ͔͠͠τϨʔυΦϑ͸ଟ͍ - ͦΕͰ΋ಋೖ͢Δ͔Ͳ͏͔ͷίετ൑அʢޙड़ʣ ਫฏࢦ޲ͷઃܭ

29. 29.

    - FaaSʹΑΔύϥμΠϜͷมԽ - ԋࢉϦιʔεΛΦϯσϚϯυͰ҆͘࢖͑ΔΑ͏ʹͳͬͨ - FunctionʹॲཧΛҕৡͯ͠͠·͏ - Firebaseͱ͔Ͱׂͱਪ঑͞ΕΔख๏ - ʮͱΓ͋͑ͣδϣϒΩϡʔʹೖΕ͓͍ͯͯ͋ͱͰॲཧʯ

    - ΊͬͪΌ΍Γ΍͘͢ͳͬͨ - ୯Ұ੹೚ͷݪଇ (SRP) ͕ൺֱతຬͨ͞Ε΍͘͢ͳͬͨҹ৅ - (ίϯϙʔωϯτͷϝϯςίετ΋Լ͕Δ) ਫฏࢦ޲ͷઃܭ (൪֎?)
30. 30.

    SONOTA

31. 31.

    - όον - ͋Β͔͡ΊίϯςϯπΛ΋Γ΋Γੜ੒
 ͓͍ͯͯ͠ΞϓϦ͸ͦΕΛฦ٫͢Δ͚ͩͱ͔ - αϚϦςʔϒϧͱ͔…… - ͜Ε΋ଈ࣌ੑͱͷ݉Ͷ߹͍ͷ࿩୊ʹͳΔ ͦͷଞ

32. 32.

    - Ωϟογϡ - खͬऔΓૣ͍ͥʢةݥࢥ૝ʣ - YAPC::Kansai 2017 OSAKAͰ࿩͠·ͨ͠ - https://speakerdeck.com/moznion/pattern-and-strategy-of-

    web-application-caching - (↑Ͱ࿩͍ͯ͠ͳ͍࿩୊ͱͯ͠͸ϚςϏϡʔ͕͋Γͦ͏) ͦͷଞ
33. 33.

    - Ωϟογϡ΍όον͸ຊ࣭త͔Ͳ͏͔ - ଟ͘ͷ৔߹͸ຊ࣭తͰ͸ͳ͍……ʁ ͦͷଞ

34. 34.

    - ຊ࣭ͱ͸ͳʹ͔……ʁ - => ϏδωευϝΠϯɾϩδοΫͷ៉ྷ͞ - => θχ΍ʂʂʂʂʂʂ ͦͷଞ

35. 35.

    - ຊ࣭ͱ͸ͳʹ͔……ʁ - => ઃܭͷ៉ྷ͞ - => θχ΍ʂʂʂʂʂʂ ͦͷଞ

36. 36.

    - ຊ࣭ͱ͸ͳʹ͔……ʁ - => ઃܭͷ៉ྷ͞
 => θχ΍ʂʂʂʂʂʂ ͦͷଞ

37. 37.

    ͭ·Γθχ΍ʂʂʂʂʂ

38. 38.

    - ͔͠͠ - ςΫχΧϧͳ౎߹͕ιϑτ΢ΣΞઃܭʹٴ΅͢Өڹ͸େ͖͍ - ౎߹ ∈ ϋʔυ΢ΣΞɾϛυϧ΢ΣΞ - ςΫχΧϧͳղܾख๏ͷ҆қͳಋೖʹΑͬͯ


    ΧΦεʹ޲͔͍ͬͯ͘Մೳੑ͸ߴ·Δ - υϝΠϯͷ࣋ͭϐϡΞ͕ࣦ͞ΘΕΔ - ઃܭ͕࿪ΊΒΕ͕ͪ ͦͷଞ
39. 39.

    ઃܭ͕࿪ΊΒΕΔʁ

40. 40.

    - ઃܭ͕࿪ΊΒΕΔ - => ڍಈ͕Θ͔Γʹ͘͘ͳΔ (ίʔυͷಡΈ΍͚ͩ͢͞Ͱ͸ͳ͍) - => मਖ਼ίετ͕ߴ͘ͳΔ -

    => ϝϯςίετ͕ߴ͘ͳΔ - => ઃܭ͕࿪ΊΒΕ͍ͯΔ͜ͱʹؾͮ͘…… ઃܭ͕࿪ΊΒΕͯԿ͕ѱ͍ʁ
41. 41.

    - ઃܭ͕࿪ΊΒΕΔ - => ڍಈ͕Θ͔Γʹ͘͘ͳΔ (ίʔυͷಡΈ΍͚ͩ͢͞Ͱ͸ͳ͍) - => मਖ਼ίετ͕ߴ͘ͳΔ -

    => ϝϯςίετ͕ߴ͘ͳΔ - => ઃܭ͕࿪ΊΒΕ͍ͯΔ͜ͱʹؾͮ͘…… ઃܭ͕࿪ΊΒΕͯԿ͕ѱ͍ʁ
42. 42.

    ʮίετʯ

43. 43.

    - ৽ͨʹػೳΛ࡞Δίετ - ίʔυͷϝϯςφϯείετ - Πϯϑϥͷϝϯςφϯείετ - => ιϑτ΢ΣΞઃܭ͸͜ΕΒʹӨڹΛٴ΅͢ -

    => ઃܭ͸ίετͱͷઓ͍ ίετ
44. 44.

    ͭ·Γθχ΍ʂʂʂʂʂ

45. 45.

    - ίετͷ࣠ - ίϯϐϡʔςΟϯάͷ଎౓ʹΑͬͯϖΠ͢ΔྖҬ - ઃܭͷྑ͞ʹΑͬͯϖΠ͢ΔྖҬ - ௚ަ͢Δ৔߹΋͋Ε͹૬৐͢Δ৔߹΋૬൓͢Δ৔߹΋͋Δ - όϥϯε͕ॏཁ

    - ྑ͍ઃܭͷ৚݅ͷҰͭ: ߹ҙ͕औΕ͍ͯΔ - => ίετͱ΋߹ҙΛऔΔඞཁ͕͋Δ - ʮσϕϩούͷੜ࢈ੑʯʹݶఆͨ͠࿩Ͱ͸ͳ͍ ίετ
46. 46.

    υϝΠϯ஌ࣝͱύϑΥʔϚϯε

47. 47.

    - υϝΠϯʹର͢Δ஌͕ࣝ଍Γͳ͍৔߹ - ݟ౰ҧ͍ͷ࣮૷ɾઃܭΛ͕ͪ͠ - ෆద੾ͳσʔλߏ଄Λ࠾༻ͯ͠͠·ͬͨΓ…… - ྑ͍ύϑΥʔϚϯεʹ͸υϝΠϯʹର͢Δ஌ࣝɾཧղ͕ඞཁ ʮυϝΠϯ஌ࣝͷཧղʯͱύϑΥʔϚϯε

48. 48.

    ࣮ࡍͲ͏ઃܭ͢Ε͹ྑ͍ͷ͔……

49. 49.

    ΋ͷʹΑΔ

50. 50.

    None
51. 51.

    ͋͘·Ͱݸਓͷܦݧͷ࿩ͱͯ͠ฉ͍͍ͯͩ͘͞

52. 52.

    - ૉ௚ʹϞσϦϯάͯ͠࡞ͬͨ΄͏͕ྑ͍ - ଟ͘ͷ৔߹࣮༻ʹ଱͑͏Δ଎౓Ͱಈ͘ - ͪΌΜͱϞσϦϯά͞Ε͍ͯΔ - ࠷௿ݶৗࣝతͳઃܭɾ࣮૷͕͞Ε͍ͯΕ͹…… - ʮඒ͍͠΋ͷ͸ۭؾ఍߅͕খ͍͞ʯͷਫ਼ਆ

    - ࣮ࡍͦΜͳ౎߹ྑ͘͸ͳ͍ͷ͕ͩ…… - ࠔͬͨΒͬͪ͜ʹ౗͓ͯ͘͠ ύϑΥʔϚϯεͱઃܭࢦ਑
53. 53.

    - ͔͋͠͠Δ೔ʢϦϦʔεॳ೔͔΋……ʣΛڥʹ໓๢͢Δ͔΋ - ͱ͍͏࣌ʹύϑΥʔϚϯεΛਅ໘໨ʹߟ͑Δ΂͖ - ཱͪฦͬͯʮྑ͍ઃܭʯͱ͸ - ΞδϦςΟ - ॊೈੑ

    - ྑ͍ઃܭ => ࠷దԽͷ༨஍͕͋Δ͸ͣ ύϑΥʔϚϯεͱઃܭࢦ਑
54. 54.

    ྫ

55. 55.

    None
56. 56.

    ௨஌͢ΔϢʔβ͕ଟ͗͢Δέʔε
    ௨஌Λ࡞ͬͯૹΔ෦෼Ͱ٧·Δ͔΋ʜʜ

57. 57.

    None
58. 58.

    ૉ๿ʹϑΝϯΞ΢τ
    ௨஌࡞Δ෦෼΋QVTIૹΔ෦෼΋ͦͷ
    ϓϩηεɾεϨουͰ΍ͬͯ͠·͏

59. 59.

    None
60. 60.

    ߴස౓ͰૹΒΕΔͱ
    ࢮΜͰ͠·͍·͢ʂ
    Έ͍ͨͳ৔߹

61. 61.

    None
62. 62.

    όοϑΝʹΩϡʔΠϯά
    ϫʔΧʔͷ਺ͰεϩοτϦϯά
    ͍ͭͰʹ431

63. 63.

    None
64. 64.

    ࣮͸͜͜ͰڥքΛ෼͚ΔͱεοΩϦ͢Δʁ

65. 65.

    @startuml actor User participant Comment participant WatchingUser participant Queue participant

    Worker1 participant WorkerN participant Notification participant PushNotificationGateway Worker1 -> Queue : subscribe WorkerN -> Queue : subscribe User -> Comment : postComment Comment -> WatchingUser : fetchWatchingUser Comment -> Comment : buildNotificationBody Comment -> Queue : enqueueNotificationPayload group publishing as async until queue is empty Queue -> Worker1 : publish Worker1 -> Notification : create Notification -> PushNotificationGateway : sendNotification Queue -> WorkerN : publish WorkerN -> Notification : create Notification -> PushNotificationGateway : sendNotification end @enduml
66. 66.

    @startuml actor User participant Comment participant WatchingUser participant Queue participant

    Worker1 participant WorkerN participant Notification participant PushNotificationGateway Worker1 -> Queue : subscribe WorkerN -> Queue : subscribe User -> Comment : postComment Comment -> WatchingUser : fetchWatchingUser Comment -> Comment : buildNotificationBody Comment -> Queue : enqueueNotificationPayload group publishing as async until queue is empty Queue -> Worker1 : publish Worker1 -> Notification : create Notification -> PushNotificationGateway : sendNotification Queue -> WorkerN : publish WorkerN -> Notification : create Notification -> PushNotificationGateway : sendNotification end @enduml /PUJpDBUJPOΛ࡞Δ෦෼͝ͱ
    ΩϡʔΠϯάͯ͠͠·͏
    ϫʔΧʔ͕͍͍ײ͡ʹॲཧ
67. 67.

    Notification͝ͱΩϡʔΠϯά͢ΔϞνϕʔγϣϯ - ଈ࣌ੑ͕ͳͯ͘΋Αͦ͞͏ - Comment͸dispatchʹઐ೦Ͱ͖Δ - rate limitͱ͔Λߟ͑Δඞཁ͕ͳ͘ͳΔ - ୯ҰͷίϯϙʔωϯτΛݟͨ࣌ʹγϯϓϧ

68. 68.

    Notification͝ͱΩϡʔΠϯά͢Δݒ೦ - ෦඼͕૿͑Δͱෳࡶੑ͕૿͢ - ϛΫϩͩͱγϯϓϧ͕ͩɼϚΫϩͩͱෳࡶʹͳͬͯͳ͍͔ - Worker͕ʮ୭͔ΒૹΒΕ͖ͯͨδϣϒʯ͔஌͓ͬͯ͘ඞཁ͕
 ͋ΔΜ͡Όͳ͍͔ʁ - =>

    ͜Ε͸ΩϡʔΛΘ͚Ε͹ྑ͍ - => ಛఆͷΩϡʔʹ͸ಛఆͷ୯ػೳWorkerΛඥ෇͚Δ - ΩϡʔΛϓϩτίϧͷΑ͏ʹऔΓѻ͏
69. 69.

    ΋ͷʹΑΔ (ϘτϧωοΫʹΑΔ) ߟ͍͖͑ͯ·͠ΐ͏

70. 70.

    - ૣ͗͢Δ࠷దԽ͸ࡑͰ͋Δ - ύϑΥʔϚϯεͷ౎߹͸υϝΠϯΛ࿪Ί͕ͪ - ·ͣ͸υϝΠϯʹدΓఴͬͨઃܭ͕ྑ͍ - ʮඒ͍͠΋ͷ͸ۭؾ఍߅͕গͳ͍ʯ - ͔͠͠࠷దԽͷ༨஍Λ࢒͢͜ͱ͸ॏཁ

    - ʮ࠷దԽͷ༨஍͕͋Δઃܭʯ͕ୈҰஈ֊ͱͯ͠ͷྑ͍ઃܭͰ͸ͳ͍͔ ύϑΥʔϚϯεͱઃܭࢦ਑
71. 71.

    Q?