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k8s_ml_platform.pdf
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kuromatsu
February 19, 2019
Technology
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2.8k
k8s_ml_platform.pdf
Kubernetes Meetup Tokyo #16
https://k8sjp.connpass.com/event/116799/
kuromatsu
February 19, 2019
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Transcript
KubernetesͰػցֶशج൫Λ ߏஙͨ͠ גࣜձࣾ࢜௨ݚڀॴ ਓೳݚڀॴ @kuromt_ 1
ࣗݾհ • TwitterΞΧϯτ: @kuromt_ • ॴଐɿגࣜձࣾ࢜௨ݚڀॴɹਓೳݚڀॴ – ػցֶशΛࢧ͑Δج൫ͷݚڀ – ͚ࣾʹػցֶशج൫Λk8s্ʹߏஙͯ͠2ؒۙ͘ӡ༻த
2
ࠓ͓͢Δ͜ͱ • ֶशίετ͕ߴ͍KubernetesΛӅṭ͠ɺֶशɾਪ ڥΛ࠶ݱՄೳͳػցֶशج൫Λߏஙͨ͠ • ӡ༻ͰಘͨݟQiitaʹެ։ – ʮػցֶशج൫ΛKubernetesͰӡ༻͖ͯͯ͠ʯ 3
KubernetesΛͬͨػցֶशج൫ͷ՝ ϝτϦΫεऩू kubectl ֶ श σ ʔ λ Ϧ
ι ʔε ͷ ֬ ೝ ֶशɺਪ • Kubernetesͷֶशίετ σʔλαΠΤϯςΟετʹ ͱͬͯߴ͗͢Δ • Job, Deployment … • Service, Ingress … • PV, PVC … • ֶशɺਪڥΛ࠶ݱ – Ϟσϧͷਫ਼͕ѱԽͨ͠ ཧ༝ͷݕূ 4
ߏஙͨ͠ج൫ 5
KubernetesΛӅṭ͢ΔಠࣗWebAPIαʔό • ػցֶशͷֶशɾਪͷͨΊʹKubernetesͷػೳΛऔࣺબ͠ ͯAPIΛཧ – ࠷ऴతʹdockerίϚϯυΛୟ͘߹ͱ΄ͱΜͲ͕ࠩͳ͍͍ํͷύϥ ϝʔλʹམͪண͍ͨ • WebAPIαʔόϚχϑΣετΛੜͯ͠kubernetes clientܦ༝
ͰίϯςφΛੜ – KubernetesΛΞοϓάϨʔυͯ͠WebAPIサーバがKubernetesͷAPI ͷมߋΛٵऩ͢ΔͷͰϢʔβύϥϝʔλΛมߋ͢Δඞཁͳ͍ 6
ҙͷֶशɾਪڥΛ࠶ݱ͢ΔΈ • ࠶ݱ͍ͨ͠ڥΛొɾར༻͢ΔAPIΛ༻ҙ – docker-composeΛج൫ͦͷͷʹొ͢Δײ֮ – ڥ໊ͱόʔδϣϯͰҰҙʹܾ·Δ • ొऀҎ֎ొ͞Ε࣮ͨߦڥΛ࠶ར༻Մೳ –
σʔλΛϚϯτ࣮ͨ͠ߦڥͷָ͕ʹͳΓɺモデルの精度の検証や PoCͷελʔτ͕ૉૣ͘ͳͬͨ 7
ߏஙֶͨ͠शɾਪج൫ ϝτϦΫεऩू ֶ श σ ʔ λ Ϧ ι
ʔε ͷ ֬ ೝ ֶशɺਪ • Ϋϥελߏ – ΦϯϓϨϛε – k8s: v1.13.2(HAߏ) – RAM: 560GBʙ1.5TB – GPU: • V100: 20ʙ40ຕ • P100: 8ʙ80ຕ • Ϧιʔε͕ෆ͢ΕNodeΛ Ճͯ͠ରԠ • શମߏCIͰཧ Web API 8
·ͱΊ • ػցֶशج൫Λߏங – KubernetesͰ͋Δ͜ͱΛҙࣝ͠ͳ͍͍ͯ͘ – WebAPIͰֶशɾਪڥΛొɾ࠶ݱͰ͖Δ • PaaSͱͯ͠ج൫͕ҭͪͭͭ͋Δ –
ݱࡏ170ਓҎ্͕ར༻ – KubernetesͩͱΒͣʹ͍ͬͯΔਓଟ͍ • 2,000ίϯςφҎ্Λಉ࣌ʹಈ͔͠ύϥϝʔλ୳ࡧ͢Δ͜ͱ 9