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メルカリ写真検索における Amazon EKS の活用事例

メルカリ写真検索における Amazon EKS の活用事例

AWS Summit Tokyo 2019

More Decks by Hirofumi Nakagawa/中河 宏文

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Transcript

  1. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ϝϧΧϦࣸਅݕࡧʹ͓͚Δ Amazon EKS ͷ׆༻ࣄྫ
    ࣸਅݕࡧΛࢧ͑ΔόοΫΤϯυ
    !1
    גࣜձࣾϝϧΧϦ தՏ ޺จ

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  2. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    தՏ ޺จ
    • 2017೥7݄ೖࣾ
    • ॴଐ͸SRE→AI/MLνʔϜ
    • σόΠευϥΠό։ൃ͔ΒϑϩϯτΤϯυ
    ։ൃ·Ͱ΍ΔԿͰ΋԰
    Twitter: hnakagawa14
    GitHub: hnakagawa
    !2
    ࣗݾ঺հ

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  3. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Introduction
    !3

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  4. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    What is ࣸਅݕࡧ
    • ࣸਅݕࡧͱ͸ɺ͍ΘΏΔը૾ݕࡧػೳ
    • ΞϓϦ͔ΒࣸਅΛݩʹ঎඼Λݕࡧ͢Δ
    • ঎඼໊Λ஌Βͳͯ͘΋ը૾͔Β঎඼Λݕࡧ
    Ͱ͖Δ
    !4
    ಈըϦϯΫ: https://youtu.be/kTni8EvOCgI

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  5. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    جຊతͳࣸਅݕࡧͷ࢓૊Έ
    !5
    Deep Neural Networks
    (DNN)Λ࢖༻ͯ͠঎඼ը૾
    ͔Βಛ௃ϕΫτϧΛऔಘ
    औಘͨ͠ಛ௃ϕΫτϧΛ
    Approximate Nearest
    Neighbor Index(ANN Index)
    ʹ௥Ճͯ͠ը૾indexΛߏங
    ݕࡧ࣌ʹ͸ಉ͘͡঎඼ը૾͔Β
    DNNΛհͯ͠ಛ௃ϕΫτϧΛऔ
    ಘ͠ɺANN Index͔Βݕࡧ
    2 3
    1

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  6. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    What is Kubernetes
    • KubernetesʢҎԼk8sʣͱ͸Φʔϓϯιʔε
    ͷίϯςφɾΦʔέετϨʔγϣϯγες
    Ϝ
    • k8sʹ͸Custom Resource Definitionͱݺ͹
    ΕΔಠࣗͷϦιʔεΛఆٛͰ͖Δػೳ͕͋
    Γɺ։ൃऀ͸ͦͷػೳΛհͯ͠k8sͷػೳΛ
    ֦ுͰ͖Δ
    • Amazon Elastic Container Service for
    Kubernetes (Amazon EKS) ͱ͸k8sͷϚω
    ʔδυɾαʔϏεɺίϯτϩʔϧϓϨʔϯ
    ͷ؅ཧΛߦͬͯ͘ΕΔ
    !6

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  7. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    What is Custom Resource Definition
    • Custom Resource DefinitionʢҎԼCRDʣͱ
    ͸ಠࣗʹϦιʔεΛఆٛͰ͖Δk8sͷػೳ
    • CRDɾϦιʔεͱɺΧελϜɾίϯτϩʔ
    ϥͰߏ੒͞ΕΔ
    • ΧελϜɾίϯτϩʔϥ͕CRDɾϦιʔε
    ͷϥΠϑαΠΫϧ/ঢ়ଶʹԠͯ͡Ϋϥελͷ
    ঢ়ଶΛίϯτϩʔϧ͢Δ
    !7

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  8. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ML Platform Lykeion
    ࣸਅݕࡧ͸Lykeionͱݺ͹ΕΔ಺੡ͷML Platform্
    ʹߏங͞Ε͓ͯΓɺԼهͷػೳ͸Platformଆͷػೳ
    Λ࢖༻͍ͯ͠Δ
    !8
    • Training/Serving CRD & ΧελϜίϯτϩʔϥ
    • ίϯςφϕʔεɾύΠϓϥΠϯ
    • Training/Serving ίϯςφΠϝʔδɾϏϧμʔ
    • ϞσϧɾϨϙδτϦ

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  9. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Architecture
    !9

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  10. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Architecture֓ཁਤ
    !10
    S3
    EKS

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  11. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    1.TrainingɾϦιʔεͷ࡞੒
    !11
    S3
    EKS

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  12. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    TrainingɾϦιʔεͷ࡞੒
    • Training custom resourceΛCronJob͕࡞੒
    • ΧελϜɾίϯτϩʔϥ͕CRDɾϦιʔε
    Ͱઃఆ͞ΕͨίϯςφϕʔεɾύΠϓϥΠ
    ϯΛ࣮ߦ
    • ࣮ߦ͢Δόον୯Ґͱͯ͠͸Hourly, Daily,
    Monthly͕ଘࡏ
    !12

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  13. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ίϯςφϕʔεɾύΠϓϥΠϯ
    • ֤޻ఔΛݸผͷίϯςφɾΠϝʔδͰ࣮ߦ
    • ϥΠϒϥϦͷґଘؔ܎ͳͲ؀ڥφΠʔϒͳMLύΠϓϥΠϯͷ໰୊Λղܾ
    • ύΠϓϥΠϯDAG͸YAMLͰهड़
    • ֤޻ఔͷೖग़ྗ͸Persistent VolumeʢҎԼPVʣΛհ͢
    !13

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  14. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Batch Execution as Custom Resource
    • શͯͷόον࣮ߦ৘ใ͕CRDɾϦιʔεͱͯ͠
    k8s্ʹ࢒Δ
    • ಉ͡ॲཧΛ࠶࣮ߦग़དྷΔͨΊɺόονͷ࠶࣮ߦ
    Λ൐͏ো֐෮چ࡞ۀ͕༰қ
    !14

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  15. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    2.ը૾ͷμ΢ϯϩʔυ
    !15
    S3
    EKS

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  16. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ը૾ͷμ΢ϯϩʔυ
    • Amazon S3্ʹଘࡏ͢ΔϝϧΧϦɾΠϝʔδετΞ͔Β঎඼ը૾Λμ΢
    ϯϩʔυ
    • ύΠϓϥΠϯ্΋ͬͱ΋͕͔͔࣌ؒΔ޻ఔʢը૾਺͕๲େͳͨΊ)
    • ͦͷͨΊPVʹҰఆظؒΩϟογϡ͢ΔࣄʹΑͬͯ࠶ΠϯσοΫε͕
    ඞཁͳ࣌ʹ͸ૉૣ͘ύΠϓϥΠϯΛճͤΔΑ͏ʹ͍ͯ͠Δ
    • PVͷ࣮ମ͸ Amazon EBS
    !16

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  17. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    3.ΞηοτͷΞοϓϩʔυ
    !17
    S3
    EKS

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  18. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ΞηοτͷΞοϓϩʔυ
    • ύΠϓϥΠϯͷ੒Ռ෺Ͱ͋Δಛ௃ϕΫτϧͱANN IndexΛϞσϧɾϨϙδτϦʹอଘ
    • શͯͷ੒Ռ෺͸όʔδϣϯ؅ཧ͞Εͨঢ়ଶͰอଘ͞ΕΔ
    • ϞσϧɾϨϙδτϦ͸GCS্ʹߏங
    !18

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  19. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    4.ServingΠϝʔδͷϏϧυ
    !19
    S3
    EKS

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  20. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ServingΠϝʔδͷϏϧυ
    1. ϞσϧɾϨϙδτϦΛImage Builderͱݺ͹ΕΔdaemon͕؂ࢹ
    2. ৽͍͠Serving͢΂͖Ϧιʔε͕௥Ճ͞ΕΔͱࣗಈͰServingίϯςφɾΠϝʔδΛϏϧυ
    • ίϯςφɾΠϝʔδ͸શͯͷANN Index౳ͷαʔϏϯάʹඞཁͳϦιʔεΛશؚͯΜͰ͍Δ
    3. Ϗϧυ͞ΕͨίϯςφɾΠϝʔδΛίϯςφɾϨδετϦʹϓογϡ
    !20

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  21. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    5.ServingɾϦιʔεͷ࡞੒
    !21
    S3
    EKS

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  22. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ServingɾϦιʔεͷ࡞੒
    • Image Builder͸ίϯςφɾΠϝʔδΛϏ
    ϧυͨ͋͠ͱɺServingΧελϜɾϦιʔ
    εΛ࡞੒
    • ServingΧελϜɾίϯτϩʔϥ͸CRDɾ
    ϦιʔεͷઃఆΛݩʹඞཁͳ
    DeploymentɺService౳Λ࡞੒
    • ຊγεςϜͰ͸ߏங͞ΕͨANN IndexΛ
    ݸผͷIndexαʔϏεͱͯ͠σϓϩΠ
    !22

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  23. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    6.αʔϏεɾσΟεΧόϦ
    !23
    S3
    EKS

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  24. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    αʔϏεɾσΟεΧόϦ
    • Ϋϥελ্ʹଘࡏ͢ΔIndexαʔϏεΛ
    k8sΛհͯࣗ͠ಈతʹऔಘ͢Δ
    • ͳΔ΂͘େ͖ͳཻ౓ͷIndexΛ࢖༻͢ΔΑ
    ͏ɺҟͳΔظؒɾཻ౓ͷIndexαʔϏε
    (Hourly, Daily, Monthly) Λࣗಈతʹ૊Έ߹
    ΘͤΔ
    • REST <-> IndexαʔϏεؒͷϓϩτίϧ
    ͸gRPCΛ࢖༻
    !24

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  25. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ֓ཁਤͷৼΓฦΓ
    !25
    S3
    EKS

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  26. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Conclusion
    !26

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  27. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    ࣸਅݕࡧͷόοΫΤϯυɾΠϯϑϥ
    1. ίϯςφɾϕʔεͷ࠶ݱੑͷߴ͍γεςϜ
    2. k8sͷCRD/ΧελϜɾίϯτϩʔϥ΍αʔϏεɾσΟεΧόϦ౳ͷػೳΛ׆༻
    3. Batch Execution as Custom Resource౳ɺML PlatformͰ࣮ݱ͞Ε͍ͯΔػೳΛ࢖༻
    ͠ɺϩόετͳγεςϜΛߏங
    4. Ϋϥ΢υɾΠϯϑϥΛk8sͰந৅Խ͢ΔࣄʹΑͬͯɺ֤Ϋϥ΢υɾϕϯμͷྑ͍ͱ͜औΓ
    Λ͍ͯ͠Δ
    !27

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  28. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Amazon EKSʹ͍ͭͯ
    • k8sͱ͍͑͹GCPͱ͍͏Πϝʔδ͕͋Δ͕(։ൃݩ͔ͩΒ౰વ)ɺEKS΋͜ͳΕ͖ͯͯ҆ఆͨ͠ӡ
    ༻͕ग़དྷΔΑ͏ʹͳͬͨɻ͔͠͠Pros/Cons͸౰વଘࡏ͢Δɻ
    • Pros
    • ૉͷk8sʹۙ͘ɺͦ͏͍ͬͨҙຯͰ͸ॊೈͳߏ੒Λ૊Έ΍͍͢
    • Cons
    • ଞࣾͷϚωʔδυk8sαʔϏεʹൺ΂ɺk8sʹ͍ͭͯඞཁͳࣄલ஌͕ࣝଟ͍
    • ͔͠͠࢖͍উखͷྑ͍AWSͷS3΍RDS౳ͷଞαʔϏεΛɺk8sͱڞʹ࢖͍͍ͨϢʔβ͕᪳᪯͢
    Δཧ༝͸΋͸΍ͳ͍
    !28

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  29. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    AWSͷྑ͍ͱ͜Ζ
    • AWSͷྑ͍ॴ͸Կͱݴͬͯ΋RDSɺAuroraʹ୅ද͞ΕΔɺϚωʔδυɾRDBMSαʔϏε
    • ࠷ॳRDSͰ࡞ͬͯɺύϑΥʔϚϯεʹࠔͬͨΒAuroraΛ࢖͏
    • Persistent૚͕ॏཁͳɺಛʹRDBΛ࢖༻͢ΔγεςϜͰ͸ɺ࠷ॳͷબ୒ࢶʹͳΔ
    • ࠓճͷߏ੒ྫͱ͸গ͠ҧ͏͕ɺk8s(EKS)ͰϏδωεɾϩδοΫ͕ͷΔΠϯϑϥ෦෼Λ
    ந৅Խ͠Persistent૚ʹRDS౳ͷαʔϏεΛ࢖༻͢Δͷ͸͓͢͢Ίߏ੒ͷ̍ͭ
    !29

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  30. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
    Thank you all for coming today
    !30

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