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Shiva 〜Nextremerをscale upする機械学習環境〜
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Chanmoro
December 14, 2017
Technology
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180
Shiva 〜Nextremerをscale upする機械学習環境〜
Nextremer 社内で運用している機械学習環境 Shiva のご紹介
tag: Docker, Mesos, Marathon, Jupyter, ceph,
Chanmoro
December 14, 2017
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Transcript
Copyright © Nextremer, inc. All Rights Reserved. 1 Shiva ʙNextremerΛScale
up͢Δػցֶशڥʙ 14th Dec 2017
Copyright © Nextremer, inc. All Rights Reserved. 2 ࣗݾհ ྆֯
ي(ΖͣΈ ͔͖ͣ) גࣜձࣾNextremer ϓϩάϥϚʔ ※ରγεςϜͷݚڀ։ൃΛ͍ͯ͠ΔاۀͰ͢ • ओʹ͍ͬͯΔ͜ͱ • αʔόʔαΠυ։ൃ • ͜͜࠷ۙ৮ٕͬͨज़ • Terraform, Ansible, Packer ← Infrasctucture as Codeʂ • Docker, Kubernetes, Apache Mesos ← ϙʔλϏϦςΟ͍͜͞͏ʂ • Python, Scala, javascript(ES6) ← ؔܕ͏·͔͚͘Δͱؾ͍͍࣋ͪʂ • Finagle, React.js ← ϚΠΫϩαʔϏε͍ͨ͠ʂϦΞΫςΟϒ͍ͨ͠ʂ
Copyright © Nextremer, inc. All Rights Reserved. 3 ࠓ͓͢͠Δ͜ͱ Nextremer
ͷػցֶशڥ Shiva ʹ͍͓ͭͯ͠͠·͢
Copyright © Nextremer, inc. All Rights Reserved. 4 ػցֶशڥ Shiva
1. ΦϑΟεʹ͋ΔGPUϚγϯʹ 2. WebͷμογϡϘʔυ͔Β 3. ઐ༻ͷJupyterΛ্ཱͪ͛ΒΕΔ
Copyright © Nextremer, inc. All Rights Reserved. 5 Shiva͕ղܾ͢Δ՝ ▪
GPUϚγϯΛ͍͍͚ͨͲɾɾɾ • Ϋϥυඅ༻Λؾʹͯ͠ؾܰʹ͑ͳ͍ • ओʹ༧ࢉ͖ͷPJҎ֎ɺτϨʔχϯάͱ͔ɺҋݚڀͱ͔ • GPUϚγϯΛෳϢʔβʔͰڞ༗͢ΔͷΓʹ͍͘ • ϥΠϒϥϦͷڝ߹ɺ୭͕ͬͯΔ͔Θ͔ΒΜ • GPUϚγϯ্Ͱͷڥߏங͕େมͩͬͨΓ • શһ͕ৄ͍͠Θ͚͡Όͳ͍
Copyright © Nextremer, inc. All Rights Reserved. 6 σϞ ※GIFΞχϝʔγϣϯͰ͢
Copyright © Nextremer, inc. All Rights Reserved. 7 Abstract ▪
ϢʔβʔຖͷDockerίϯςφ ▪ શ෦ೖΓڥ & sudoݖݶ ▪ ϗʔϜdirΛશϚγϯͰڞ༗
Copyright © Nextremer, inc. All Rights Reserved. 8 Architecture Overview
Copyright © Nextremer, inc. All Rights Reserved. 9 Architecture Overview
μογϡϘʔυ͔ΒAPIܦ༝Ͱૢ࡞ ɹɾϦιʔεར༻ঢ়گΛऔಘ ɹɾίϯςφͷىಈɾআ
Copyright © Nextremer, inc. All Rights Reserved. 10 Architecture Overview
શͰϗʔϜσΟϨΫτϦΛڞ༗ ɹɾࢄετϨʔδΛߏங ɹɾίϯςφىಈ࣌ʹϚϯτ
Copyright © Nextremer, inc. All Rights Reserved. 11 Architecture Overview
▪ ϢʔβʔͱϙʔτͷϚοϐϯά • http://host/user/kazuki.morozumi • Jupyter͕Ϧεϯ͢ΔϙʔτϥϯμϜ ▪ ίϯςφՔಇঢ়گΛެ։͢ΔAPI ▪ tmpnbΛΧελϚΠζ • https://github.com/jupyter/tmpnb
Copyright © Nextremer, inc. All Rights Reserved. 12 Infrastructure Overview
Copyright © Nextremer, inc. All Rights Reserved. 13 Infrastructure Overview
ίϯςφΦʔέετϨʔγϣϯʹ Mesos + MarathonΛར༻
Copyright © Nextremer, inc. All Rights Reserved. 14 Infrastructure Overview
▪ Mesos+MarathonΛબͨ͠ཧ༝ • ಛఆͷΞϓϦΛσʔϞϯͱͯ͠ಈ͔ͤΕे • αʔϏεσΟεΧόϦͱ͔͍Βͳ͍ • KubernetesΦʔόʔεϖοΫ͗͢Δ • ߏཁૉ͕ଟ͘ෳࡶͰߏஙɺϝϯςφϯε͕େม • ୯७ʹMesos+MarathonΛࢼͯ͠Έ͔ͨͬͨ • ߏங࣌ใ͕͔ͳΓগͳ͔ͬͨ
Copyright © Nextremer, inc. All Rights Reserved. 15 Infrastructure Overview
CPU Intel Core i7-6700K ϝϞϦ 32GB Disk SSD 500GB GPU GTX-1080 ×2ຕ GPUϚγϯεϖοΫ ݟͨେࣄʂ ɹ- ͱΓ͋͑ͣޫΒͤΔ ɹ- ΈΜͳʹݟ͑Δॴʹஔ͘
Copyright © Nextremer, inc. All Rights Reserved. 16 ӡ༻͍ͯͯ͠ىͬͨ͜ ▪
σΟεΫ্ݶ • ֶशσʔλඦGBΛΞοϓϩʔυͨ͠ΒσΟεΫ্ݶʹୡͯ͠ఀࢭ • ίϯςφଆ͔ΒsshfsͰࣗͷPCͷσΟεΫΛϚϯτͯ͠ճආͨ͠ ▪ ίϯςφ͕ͨ࣌͠ͷηʔϑςΟʔωοτ • ։ൃͨ͠ίʔυͷόάͰϗετͷCPUɾϝϞϦΛ৯͍௵͢ • ϏΪφʔͷϢʔβʔ͕͜ͷΑ͏ͳόάΛ࡞Γ͕ͪ • ରԠࡦίϯςφຖʹϦιʔε੍ݶΛ͚ͭΔ • ස͔ͭӨڹͳͷͰಛʹݱঢ়ରԠͤͣ
Copyright © Nextremer, inc. All Rights Reserved. 17 ৄࡉQiitaͷهࣄʂ
Copyright © Nextremer, inc. All Rights Reserved. 18 NextremerͰ͜Μͳ͜ͱΛ͍ͬͯ·͢ WBC؍ઓઐ༻
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Copyright © Nextremer, inc. All Rights Reserved. 19 NextremerͰ͜Μͳ͜ͱΛ͍ͬͯ·͢
Copyright © Nextremer, inc. All Rights Reserved. 20 NextremerͰ͜Μͳ͜ͱΛ͍ͬͯ·͢ ▪
ฐࣾCEO ҪΛίϐʔͨ͠ରγεςϜ • 2017/10 ୈ8ճରγεςϜγϯϙδϜʹͯσϞൃද
Copyright © Nextremer, inc. All Rights Reserved. 21 NextremerͰ͜Μͳ͜ͱΛ͍ͬͯ·͢