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クックパッドの機械学習を支える基盤のつくりかた / Machine Learning ops at Cookpad
Yuichiro Someya
June 01, 2017
Programming
18
6.7k
クックパッドの機械学習を支える基盤のつくりかた / Machine Learning ops at Cookpad
AWS Summit Tokyo 2017 w/
https://speakerdeck.com/kanny
http://www.awssummit.tokyo/summit/index.html
Yuichiro Someya
June 01, 2017
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Transcript
ؙحؙػحسך 堣 唒㷕 统 佄ִ㛇 湍ךא ַֻ 2017/06/01
AWS Summit Tokyo ΫοΫύουגࣜձࣾ છ୩ ༔Ұ ే
ࣗݾ հ HJUIVCDPNBZFNPT UXJUUFSDPNBZFNPT@Z XXXBZFNPTNF ‣ છ୩༔Ұ<:VJDIJSP4PNFZB> ‣
ΫοΫύουגࣜձࣾ ݚڀ։ൃ෦ΤϯδχΞ ৽ଔೖࣾ
Ϩγϐ ສҎ্ ݄࣍ར༻ऀ ສਓҎ্ ݄࣌
Χࠃʹల։ ݴޠʹରԠ ݄࣌
ΫοΫύουͱ"84 "NB[PO&$Πϯελϯε d ఔ "NB[PO4ΦϒδΣΫτ ԯҎ্ ‣ ʹ%$͔ΒશҠߦ
‣ BQOPSUIFBTU͓ΑͼVTFBTUΛओʹར༻ άϩʔόϧαʔϏεओʹ64ͰՔಇ SFRTҎ্ ϐʔΫ࣌ಉ࣌ϦΫΤετ
ར༻͍ͯ͠ΔαʔϏε ‣ ࠓճͷ͓ʹؔ͢ΔαʔϏε "NB[PO&$ "NB[PO71$ "84-BNCEB Ҏ߱&$ 71$
-BNCEBͱදه "NB[PO424 "NB[PO4/4 Ҏ߱424 4/4ͱදه "NB[PO4 3FETIJGU Ҏ߱4 3FETIJGUͱදه "84$POpH "NB[PO$MPVE8BUDI "84$MPVE5SBJM "84*". Ҏ߱$POpH $MPVE8BUDI $MPVE5SBJM *".ͱදه
ΫοΫύουͷػցֶशج൫ ςʔ Ϛ
ΫοΫύουͷݚڀ։ൃ෦ʹ͍ͭͯ ‣ ݄ʹൃ ݚڀ։ൃνʔϜ ݄d ɺݚڀ։ൃࣨ ݄d Λܦͯ
ݱࡏਖ਼ࣾһ໊ ΞϧόΠτʗΠϯλʔϯ໊ͷ৫ʹ ‣ ػցֶशΛத৺ʹɺ৯จԽܥͷݚڀʹ͓͚Δ࣮ ΫοΫύουߐށ͝൧ ୈճਓೳֶձશࠃେձ ‣ ྉཧ͖Ζ͘ͷެ։ ݄
ྉཧ͖Ζ͘ ΈࠐΈχϡʔϥϧωοτϫʔΫ ʹΑΔྉཧը૾ͷࣗಈೝࣝ εϚʔτϑΥϯͷࣸਅͷɺ ྉཧࣸਅΛࣗಈతʹऩूه
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ ը૾ͷΞοϓϩʔυɺఆॲཧʹ͕͔͔࣌ؒΔ dඦNT "1*αʔόʔͱ౷߹ͯ͠ಉظॲཧ͢Δͷඇݱ࣮త ඇಉظͳྉཧʗඇྉཧͷఆॲཧ͕ඞཁ
‣ ඞཁͳܭࢉػڥ͕ΞϓϦέʔγϣϯαʔόʔͱେ͖͘ҟͳΔ 3VCZ˱1ZUIPO 3BJMT˱$IBJOFS $16˱(16 ఆॲཧͱΞϓϦέʔγϣϯΛૄ݁߹ʹ͢Δͷ͕ϕλʔ
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ 4 424Λհͨ͠ඇಉظͰૄ݁߹ͳࣸਅఆϑϩʔͷ࣮ 424 4
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ "1*αʔόʔͰ41SF4JHOFE63-Λੜ ੜ͞Εͨ63-Λར༻ͯ͠ΫϥΠΞϯτ J04 "OEPJSE ͔Βఆ༻ ʹॖখ͞ΕͨࣸਅΛ4ʹΞοϓϩʔυ
1SF4JHOFE63- ͷൃߦ
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ "1*αʔόʔͰ41SF4JHOFE63-Λੜ ੜ͞Εͨ63-Λར༻ͯ͠ΫϥΠΞϯτ J04 "OEPJSE ͔Βఆ༻ ʹॖখ͞ΕͨࣸਅΛ4ʹΞοϓϩʔυ
ఆ༻ը૾ͷ Ξοϓϩʔυ 1SF4JHOFE63- ͷൃߦ https://s3.amazonaws.com/thumbnails/123.jpg? expires=1495436210&Signature=XXXYYYZZZ
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ 4&WFOU/PUJpDBUJPOͰࣸਅͷΞοϓϩʔυΠϕϯτΛ424ʹ &ORVFVF &WFOUΛ424ʹ &ORVFVF ఆ༻ը૾ͷ Ξοϓϩʔυ
s3://thumbnails/123.jpg 1SF4JHOFE63- ͷൃߦ { bucket: thumbnails key: 123.jpg }
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ ఆॲཧXPSLFS͕424͔ΒϝοηʔδΛ%FRVFVFͯ͠ॲཧ ϝοηʔδʹؚ·ΕΔࣸਅͷ4্ͷLFZใΛར༻ͯࣸ͠ਅΛμϯϩʔυ LFZʹؚ·ΕΔࣸਅͷJEΛར༻ͯ͠"1*ӽ͠ʹఆ݁ՌΛ௨ୡ &WFOUΛ424ʹ
&ORVFVF s3://thumbnails/123.jpg { bucket: thumbnails key: 123.jpg } &$4$MVTUFS
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ ఆॲཧXPSLFS͕424͔ΒϝοηʔδΛ%FRVFVFͯ͠ॲཧ ϝοηʔδʹؚ·ΕΔࣸਅͷ4্ͷLFZใΛར༻ͯࣸ͠ਅΛμϯϩʔυ LFZʹؚ·ΕΔࣸਅͷJEΛར༻ͯ͠"1*ӽ͠ʹఆ݁ՌΛ͑Δ &WFOUΛ424ʹ
&ORVFVF s3://thumbnails/123.jpg 8PSLFS͕ϝοηʔδ Λ%FRVFVF { bucket: thumbnails key: 123.jpg }
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ ఆॲཧXPSLFS͕424͔ΒϝοηʔδΛ%FRVFVFͯ͠ॲཧ ϝοηʔδʹؚ·ΕΔࣸਅͷ4্ͷLFZใΛར༻ͯࣸ͠ਅΛμϯϩʔυ LFZʹؚ·ΕΔࣸਅͷJEΛར༻ͯ͠"1*ӽ͠ʹఆ݁ՌΛ͑Δ 4্ͷࣸਅΛ
μϯϩʔυ 8PSLFS͕ϝοηʔδ Λ%FRVFVF &WFOUΛ424ʹ &ORVFVF { bucket: thumbnails key: 123.jpg }
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ ఆॲཧXPSLFS͕424͔ΒϝοηʔδΛ%FRVFVFͯ͠ॲཧ ϝοηʔδʹؚ·ΕΔࣸਅͷ4্ͷLFZใΛར༻ͯࣸ͠ਅΛμϯϩʔυ LFZʹؚ·ΕΔࣸਅͷJEΛར༻ͯ͠"1*ӽ͠ʹఆ݁ՌΛ͑Δ 4্ͷࣸਅΛ
μϯϩʔυ ఆ݁ՌΛ"1*ӽ͠ʹ ͑Δ &WFOUΛ424ʹ &ORVFVF 8PSLFS͕ϝοηʔδ Λ%FRVFVF
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ ‣ 424ͷ$MPVE8BUDIϝτϦΫεʹج͍ͮͨ"MBSNͰXPSLFSΛΦʔτεέʔϧ ΞϓϦέʔγϣϯͷੑೳཁٻΛຬͨ͢Α͏ʹ ྫ͑ɺ৽͘͠Ξοϓϩʔυ͞Εͨࣸਅ࣌ؒҎʹఆ͞Εͯཉ͍͠
"QQSPYJNBUF"HF0G0MEFTU.FTTBHF͕ར༻Ͱ͖Δ &$4$MVTUFS
ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ "QQSPYJNBUF"HF0G0MEFTU.FTTBHF &$4$MVTUFS εέʔϧΞτ (desired_count++) ‣ 424ͷ$MPVE8BUDIϝτϦΫεʹج͍ͮͨ"MBSNͰXPSLFSΛΦʔτεέʔϧ
ΞϓϦέʔγϣϯͷੑೳཁٻΛຬͨ͢Α͏ʹ ྫ͑ɺ৽͘͠Ξοϓϩʔυ͞Εͨࣸਅ࣌ؒҎʹఆ͞Εͯཉ͍͠ "QQSPYJNBUF"HF0G0MEFTU.FTTBHF͕ར༻Ͱ͖Δ
&$4$MVTUFS ྉཧ͖Ζ͘ͷΞʔΩςΫνϟ "QQSPYJNBUF"HF0G0MEFTU.FTTBHF εέʔϧΞτ (desired_count++) ‣ 424ͷ$MPVE8BUDIϝτϦΫεʹج͍ͮͨ"MBSNͰXPSLFSΛΦʔτεέʔϧ
ΞϓϦέʔγϣϯͷੑೳཁٻΛຬͨ͢Α͏ʹ ྫ͑ɺ৽͘͠Ξοϓϩʔυ͞Εͨࣸਅ࣌ؒҎʹఆ͞Εͯཉ͍͠ "QQSPYJNBUF"HF0G0MEFTU.FTTBHF͕ར༻Ͱ͖Δ
&$4্Ͱͷࣸਅఆ ‣ FBHMFUNUIBLP Λར༻ ZBNMܗࣜͷϑΝΠϧͰఆॲཧXPSLFSΛఆٛɺ$-*ίϚϯυͰ্ཱͪ͛
ΦʔτεέʔϧͷઃఆIBLPͰߦ͑Δ scheduler: cluster: hako-production-g2 desired_count: 1 autoscaling: min_capacity: 4 max_capacity: 10 policies: - alarms: [cookpadnet-worker-busy] cooldown: 300 adjustment_type: ChangeInCapacity scaling_adjustment: 1 app: image: cookpadnet-worker cpu: 128 memory: 1024 env: AWS_REGION: ap-northeast-1 COOKPADNET_ENV: production ... &$4$MVTUFS "QQSPYJNBUF"HF0G0MEFTU.FTTBHF IUUQTHJUIVCDPNFBHMFUNUIBLP
&$4্Ͱͷࣸਅఆ ‣ ࣸਅఆʹ(16Λ༻͍ͯ͠Δ ఆॲཧʹ(16ΞΫηϥϨʔγϣϯ͕ར༻Ͱ͖Δ ಉՁ֨ଳͷ$16Πϯελϯεͱൺͯdഒͷੑೳࠩ ‣ HΠϯελϯεͰࣸਅఆ༻ͷ&$4$MVTUFSΛߏ
&$4$MVTUFS H 5BTL $POUBJOFS &$4্Ͱͷࣸਅఆ ‣ $POUBJOFS͔Β(16Λૢ࡞͢Δҝʹඞཁͳઃఆ /7*%*"%SJWFSͷΠϯετʔϧ
$MVTUFSʹΠϯετʔϧ͠ɺ5BTL͔Β WPMVNFͰݟΔ దͳ-JOVY$BQBCJMJUZͷ༩ QSJWJMFHFEΦϓγϣϯΛར༻ (16 /7*%*"%SJWFS LFSOFMNPEVMFT /7*%*"%SJWFS VTFSMJCSBSJFT "QQ 8PSLFS
&$4$MVTUFS H &$4্Ͱͷࣸਅఆ ‣ QSJWJMFHFEͳ5BTL ͷSPPUϢʔβʔ ɺ&$4Ϋϥελ ʹରͯ͠SPPUϢʔβʔͱಉ༷ͳݖݶΛͭ
ΫϥελʹӨڹΛ༩͑ΔΑ͏ͳૢ࡞͕Մೳ NMPDL LJMM VUJNF ʜ &$4ͰAEFWJDFAΦϓγϣϯ͕͑Δͱʜ ‣ 5BTLͰඇSPPUͳϢʔβʔΛར༻͢Δ %PDLFS'JMFͰA64&3XPSLFSA $MVTUFS্ͷ/7*%*"%SJWFS VTFSMJCSBSJFT ͕ ݟ͑ͳ͘ͳΔ 5BTL $POUBJOFS (16 /7*%*"%SJWFS LFSOFMNPEVMFT /7*%*"%SJWFS VTFSMJCSBSJFT "QQ 8PSLFS
&$4$MVTUFS H 5BTL $POUBJOFS &$4্Ͱͷࣸਅఆ ‣ $MVTUFSͱಉ͡όʔδϣϯͷVTFSMJCSBSJFTΛ $POUBJOFSʹΠϯετʔϧ
$POUBJOFS͕$MVTUFSʹόʔδϣϯґଘ͢Δ ผͷ$MVTUFSͰಈ͔ͳ͍͔͠Εͳ͍ (16 /7*%*"%SJWFS LFSOFMNPEVMFT /7*%*"%SJWFS VTFSMJCSBSJFT "QQ 8PSLFS
ӡ༻࣮ ݱࡏ ‣ ը૾ೝࣝϞσϧΛҰΞοϓσʔτ ‣ ΞοϓσʔτΓӽ͑ɺେ͖ͳͳ͘ӡ༻Ͱ͖͍ͯΔ ਓҎ্
ͷྉཧࣸਅ ͷϢʔβʔ͕ར༻ ຕҎ্
ػցֶशج൫ʹ͍ͭͯ
ే ΄͠΄͘ͱ !LBOJ@C ‣ ΫοΫύουגࣜձࣾ ΠϯϑϥετϥΫνϟʔ෦෦ ৽ଔೖࣾ ‣
43& ηΩϡϦςΟΤϯδχΞ ઃܭߏஙӡ༻ *%4 8"' ੬ऑੑஅ *4.4 FUD ‣ "84ೝఆ4" %FW0QTΤϯδχΞ 1SPGFTTJPOBM
ػցֶशج൫ͱ ‣ ݚڀ։ൃ෦ͷΤϯδχΞ͕ࣗ༝ʹखΛಈ͔ͤΔॴ ຊ൪ڥͱΓ͞Ε͍ͯΔ ‣ ࣗ༝͕ߴ͘ຊ൪ͷӡ༻ʹࠨӈ͞Εͳ͍
ݚڀ։ൃ෦ઃཱॳ ‣ ඞཁͳΠϯελϯεྨશͯΠϯϑϥ෦͕४ຊ൪ڥʹ༻ҙ ґཔΛड͚ɺͦΕΛͱʹඞཁͳϦιʔεΛ४උ͢Δ ‣ ຊ൪ڥͱಉ༷ͷӡ༻ ίʔυΛϕʔεʹͨ͠ϓϩϏδϣχϯάɺࢹɺFUD
ݚڀ։ൃ෦ઃཱ࣌ͷ"84ཧମ੍ ‣ Πϯϑϥ෦ͷӡ༻୲ऀͷΈ͕શݖݶΛ࣋ͭ ৽͍͠Ϧιʔεͷ४උجຊతʹ Πϯϑϥ෦͕ߦ͏ ίʔυԽ͞Ε͍ͯΔՕॴl࣮ߦz Πϯϑϥ෦͕୲
‣ "84ʹؔ͢Δશͯͷ͜ͱΛΠϯϑϥ෦ʹू ઃܭɺӡ༻ɺ͍߹ΘͤɺFUD ֤ࣄۀ෦ Πϯϑϥ෦ ٕज़ج൫ܥ෦ॺ ݚڀ ։ൃ෦
ى͖ͨ ‣ Ϧιʔεͷ༻ҙ͕͍͔ͭͳ͍ αʔϏεͷӡ༻ߦ͏ͨΊ༏ઌ͕Լ͕Γ͍͢ ඞཁͳϦιʔε͕ଟ͘ɺਓһ૿ՃͱͱʹՃ ‣ ຊ൪ڥͰߦ͍ͬͯͨӡ༻ʹ߹Θͳ͍
ݟ͕͋·Γͳ͘ɺϛυϧΣΞઃఆͷஈ֊͔Β৭ʑखΛಈ͔͢ ҆ఆͨ͠ϓϩϏδϣχϯάΑΓࢼߦࡨޡʹΑΔ݁Ռ
தԝཧͷݶք ‣ ن֦େʹ͍Πϯϑϥ෦͕ࣗϘτϧωοΫʹͳΔ͜ͱ͕૿͑ͨ ৽Ϧιʔεͷ࡞ ઃܭͳͲͷ૬ஊ ͍߹ΘͤͳͲ ‣ զʑ͕ಘҙͱ͢ΔΑ͏ͳӡ༻ΛٻΊΒΕͳ͍ͷ͕ग़͖ͯͨ
ݚڀ։ൃ ‣ ʮͦͦ"84ͷརΛ׆͔͍ͤͯͳ͍ͷͰʯͱ͍͏ٙ ηϧϑϚωʔδͰ͖Δ͜ͱ͕ྑ͞ͷҰͭͰ͋Δͣ ‣ ຊདྷΔ͖͜ͱʹ࣌ؒΛ͑ΔΑ͏ʹ͍ͨ͠ l"84ͷݕূཧzͰͳ͘lϢʔβʹαʔϏεΛಧ͚Δ͜ͱz͕ࣄ
ཧํͷస ‣ ݖݶͱΛΠϯϑϥ෦͔Β֤։ൃऀҠৡ͢Δํʹγϑτ ‣ ͨͩ์Γ͛ΔͷͰͳ͘ཧ͖͢෦Λ͓͑ͯ͞Ҡৡ͍ͯ͘͠ ͦͷͨΊͷΈͷଟ͘Λ"84͕ఏڙ͍ͯ͘͠Ε͍ͯΔ ‣ ػցֶशج൫ͦͷॳظͷऔΓΈ
ج൫උ୲Λݚڀ։ൃ෦͔ΒΞαΠϯ
ࣗ༝ͳڥͷͨΊʹඞཁͩͬͨͷ ‣ ෦ͷϝϯόʔ͕ࣗ༝ʹ৮ΕΒΕΔ"84ڥͷ༻ҙ ‣ "84ڥΛ҆શʹ͑ΔηΩϡϦςΟ ‣ ༧ࢉཧ ‣ "84ʹؔ͢Δ૬ஊϊϋͳͲͷҠৡ
ΞΧϯτͷ ‣ ͱʹ͔͘खΛಈ͔͢ϑΣʔζʹ͓͍ͯຊ൪ڥ΄Ͳ ཧ͞Ε͍ͯΔඞཁ͕ͳ͍ ‣ ຊ൪ڥͱϦιʔε͕ࠞ͡Βͳ͍ڥ͕ཉ͍͠ ‣ ݚڀ։ൃ༻ͷ"84ΞΧϯτΛ࡞ͯͦͪ͠ΒΛ͏Α͏ʹ ‣
ࢧ͍ຊ൪ڥͷΞΧϯτʹ·ͱΊΔ $POTPMJEBUFE#JMMJOH
ݖݶཧ ‣ ຊ൪ڥͰ͏*".6TFS ݸਓ͝ͱൃߦ ͔Β"TTVNF3PMF ඞཁͳαʔϏεͷ"ENJOݖݶΛ͘༩ ‣ $MPVE5SBJM$POpHΛ༗ޮʹ͠PVUQVUઌΛຊ൪ΞΧϯτͷ4
͢3PMF͔ΒݖݶΛൈ͍͓ͯ͘ ‣ ։ൃऀʹݖݶΛͭͭ͠վ᜵ෆೳͳܗͰτϨʔεͰ͖Δڥʹ
‣ ෦ͷϝϯόʔ͕ࣗ༝ʹ৮ΕΒΕΔ"84ڥͷ༻ҙ✅ ‣ "84ڥΛ҆શʹ͑ΔηΩϡϦςΟ ‣ ༧ࢉཧ ‣ "84ʹؔ͢Δ૬ஊϊϋͳͲͷҠৡ
ࣗ༝ͳڥͷͨΊʹඞཁͩͬͨͷ
ωοτϫʔΫͷߏ ‣ ౿Έ44)αʔό͕͋Δ71$ ຊ൪ΞΧϯτ Πϯϑϥ෦ཧ ͔Β71$1FFSJOHܦ༝ͰଓͰ͖ΔΑ͏ʹ͢Δ ౿ΈΛΠϯϑϥ෦ཧԼͷαʔόʹूͰ͖Δ
‣ /BNFλάΛͬͨਖ਼Ҿ͖ɺٯҾ͖Λఏڙͯ͠ΞΫηε͘͢͠
ઃఆঢ়گͷࢹ ‣ "84$POpH3VMFTͰηΩϡϦςΟάϧʔϓͷΠϯλʔωοτղ์Λ νΣοΫ ઃఆมߋΛτϦΨͱͯ͠MBNCEBGVODUJPOͰνΣοΫՄೳ "84ఏڙͷGVODUJPOϨϙδτϦBXTMBCTBXTDPOpHSVMFT ‣
ࡉ͔͍"1*ίʔϧ$MPVE5SBJM͔ΒνΣοΫ
‣ ෦ͷϝϯόʔ͕ࣗ༝ʹ৮ΕΒΕΔ"84ڥͷ༻ҙ✅ ‣ "84ڥΛ҆શʹ͑ΔηΩϡϦςΟ✅ ‣ ༧ࢉཧ ‣ "84ʹؔ͢Δ૬ஊϊϋͳͲͷҠৡ
ࣗ༝ͳڥͷͨΊʹඞཁͩͬͨͷ
༧ࢉཧ ‣ ࡉ͔͍ཧཁٻ͞Ε͍ͯͳ͍ͷͷɺ͋ΔఔѲ͖͢ མͱ͠Ε৵ೖͳͲͷΞϥʔτʹͳΓ͏Δ ‣ #JMMJOH$POTPMFͰఏڙ͞Ε͍ͯΔ#VEHFUTΛར༻ ‣ ʮࠓ݄༧ࢉΛ͑ͦ͏
༧ଌ ʯͳ߹ʮ༧ࢉͷOׂΛͬͨ ࣮ࡍ ʯʹ 4/4/PUJpDBUJPOΛड͚औΓඞཁ͕͋ΕରԠ
‣ ෦ͷϝϯόʔ͕ࣗ༝ʹ৮ΕΒΕΔ"84ڥͷ༻ҙ✅ ‣ "84ڥΛ҆શʹ͑ΔηΩϡϦςΟ✅ ‣ ༧ࢉཧ✅ ‣ "84ʹؔ͢Δ૬ஊϊϋͳͲͷҠৡ
ࣗ༝ͳڥͷͨΊʹඞཁͩͬͨͷ
"84૬ஊ ϊϋ ‣ "84ʹؔ͢ΔϊϋجຊతʹΠϯϑϥ෦͕͍࣋ͬͯͨ ૬ஊ΄΅Πϯϑϥ෦͕ड͚Δ ‣ αϙʔτϓϥϯσϕϩούʔ ͷҠߦҎདྷ
έʔεͷԠʹ͕͔͔࣌ؒΔͨΊجຊతʹࣗͨͪͰௐࠪ "84ͷ͍߹ΘͤߦͷΑ͏ʹͳ͍ͬͯͨ͜ͱ͋ͬͨ ‣ ຊདྷ͕ࣗͨͪղ͔ͳͯ͘ྑ͍ʹ͕͔͔͍࣌ؒͬͯͨ
ΤϯλʔϓϥΠζαϙʔτͷҠߦ ‣ ͷҠߦॳ͔Βར༻͍ͯͨ͠σϕϩούʔ͔ΒΓସ͑ ‣ ܖͰ$POTPMJEBUFE#JMMJOHԼͷෳΞΧϯτʹద༻Մೳ ‣ Ձ֨ͦΕͳΓʹ͢Δ ࣌NP ࠷
‣ 5".ΞαΠϯ έʔεରԠΛߟྀ͠ΤϯλʔϓϥΠζΛબ ࣌ؒͱࣝΛങ͏͜ͱ͕ओͳత
αϙʔτέʔεରԠͲ͏ͳ͔ͬͨ ‣ Ԡͷ্࣭͕͕Γɺղܾ·Ͱͷ࣮࣌ؒ֬ʹ͘ͳͬͨ ʮαϙʔτʹฉ͍ͯΈΑ͏ʯͱͳΔ৺ཧίετ͕ͱͯԼ͕ͬͨ ඞཁͳΒαʔϏενʔϜʹΤεΧϨʔγϣϯͯ͘͠ΕΔ "VSPSBͳͲ͍ͷ͋ΔϓϩμΫτΛ͏࣌ຯʹޮ͍ͯ͘Δ
‣ ֤։ൃऀ͕উखʹέʔεΛ࡞ͯ͠ղܾͰ͖ΔΑ͏ʹͳͬͨ ෆ۩߹͚ͩͰͳ͘ػೳͷ࣭ɺཁͳͲଟ্͕͘Δ
ͦͷଞ ‣ 5".ΞαΠϯʹΑΓίϯςΩετڞ༗͕͘͢͠ έʔεͷऔΓ·ͱΊྉۚϨϙʔτͷ࡞͓ئ͍͍ͯ͠Δ ‣ -JNJU*ODSFBTFͷॲཧ͕രʹ ίϯγΣϧδϡ͕ΞαΠϯ͞ΕͯରԠͯ͘͠ΕΔ
࠷ ‣ "84ཧӡ༻Ͱຯʹ͔͔͍ͬͯͨίετ͕͔ͳΓԼ͕ͬͨ "84ͷґଘ͕ߴ͍৫ʹͱͬͯಛʹ༗༻ͩͱࢥ͏
‣ ෦ͷϝϯόʔ͕ࣗ༝ʹ৮ΕΒΕΔ"84ڥͷ༻ҙ✅ ‣ "84ڥΛ҆શʹ͑ΔηΩϡϦςΟ✅ ‣ ༧ࢉཧ✅ ‣ "84ʹؔ͢Δ૬ஊϊϋͳͲͷҠৡ✅
ࣗ༝ͳڥͷͨΊʹඞཁͩͬͨͷ
։ൃऀΞΧϯτ ‣ ݚڀ։ൃ༻ΞΧϯτͱಉ༷ͷ։ൃऀΞΧϯτ༻ҙ શ։ൃऀ͕ࣗ༝ʹ৮Δ͜ͱͷͰ͖Δ"84ΞΧϯτ ‣ ωοτϫʔΫཧܥͷ࣮ݚڀ։ൃ༻ΞΧϯτͱ΄΅ಉ͡ ‣ ৭ʑͳαʔϏεΛࣗ༝ʹݕূͰ͖Δ
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͜ͷ͋ͱհ͠·͢ Πϯϑϥ෦ඞཁͳ࣌ʹڠྗ
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Πϯελϯεͷར༻ํ๏ ‣ (16λεΫجຊతʹഉଞ ଞͷ։ൃऀͱಉ࣌ʹར༻ͮ͠Β͍ ‣ རศੑΛॏࢹ͠ɺݸਓຖʹઐ༗ΠϯελϯεΛ༻ҙ ӡ༻্ͷ՝ͷ༷ࢠݟΛ͍ͨ͠ͱ͍͏ͷ͋ͬͨ
ݚڀ։ൃతͰɺࡶʹTVEPग़དྷΔಠཱͨ͠ڥ͕ศར
ΞΠυϧΠϯελϯεͷࢹ ‣ ͍ͬͯͳ͍Πϯελϯεͷམͱ͠ΕͳͲ͕ൃੜ අ༻໘Ͱେ͖ͳͰͳ͍͕ɺ͍ۙকདྷ৫֦େͷোนʹ ͳΓ͔Ͷͳ͍ ‣ ར༻୯Ձͷߴ͍Πϯελϯεʹ͍ͭͯɺΞΠυϧঢ়ଶΛࢹ
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͘͢खΛಈ͔͠αʔϏεΛͭ͘ΔͨΊʹ ηϧϑαʔϏεԽ શͯΛཧ͢ΔͷͰͳ͘ τϨʔεͰ͖ΔΈͮ͘Γ $MPVE5SBJM $POGJH ϊϋ૬ஊઌͷҠৡ ΤϯλʔϓϥΠζαϙʔτͷ׆༻
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PR
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