事業のスケールアウトを支える PHPで作る分散アーキテクチャ

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ࣄۀͷεέʔϧΞ΢τΛࢧ͑Δ PHPͰ࡞Δ෼ࢄΞʔΩςΫνϟ Yuuki Takezawa / ytake

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Pro f i le • ஛ᖒ ༗و / ytake • ελʔϑΣεςΟόϧגࣜձࣾ • PHP, Hack, Go, Scala • Apache Hadoop, Apache Spark, Apache Kafka   • twitter https://twitter.com/ex_takezawa • facebook https://www.facebook.com/yuuki.takezawa • github https://github.com/ytake

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ελʔϑΣεςΟόϧגࣜձࣾ

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ͦΜͳελʔϑΣεςΟόϧͰ͸ ΤϯδχΞืूதʂʂʂ

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Caution • ࠓճͷ಺༰͸શͯͷΞϓϦέʔγϣϯͰ   ద༻Ͱ͖Δ΋ͷͰ͸͋Γ·ͤΜ • ࣮ࡍʹຊਓ͕࠾༻͍ͯ͠Δ΋ͷ   ϕʔεͷ಺༰Ͱ͢

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Agenda • ΞϓϦέʔγϣϯͷ੒௕ͱ   λʔχϯάϙΠϯτ   • ղܾ͢ΔͨΊͷ஌ࣝ • ෼ࢄτϥϯβΫγϣϯରࡦ

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Ϗδωεͷ੒௕ͱ૊৫

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খ͞ͳνʔϜ • σʔλϕʔεઃܭ + ORM etc   ϑϨʔϜϫʔΫͰߏங͞ΕΔ   ΞϓϦέʔγϣϯ   • গਓ਺ͷ։ൃऀͰߏ੒͞ΕΔ։ൃ૊৫  

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ෳ਺ͷνʔϜ • ૿͑ΔΞϓϦέʔγϣϯػೳ   • ։ൃνʔϜͷ૿һ   εΩϧ͸༷ʑ

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ΞϓϦέʔγϣϯͱσʔλϕʔε • ORMͰN+1͕૿͑Δέʔε   ൃߦͨ͠SQL͸   ΞϓϦέʔγϣϯʹ߹͍ͬͯΔ͔ʁ • ϝϞϦɺCPUͳͲͷ૿ڧͰ৐Γ੾Δ   ໰୊͕ޙճ͠ʹͳΔ͜ͱ΋

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΍ͬͯ͠·͍͕ͪͳରԠ • σʔλऔಘ؆ུԽͷͨΊͷ   σʔλϕʔεઃܭ(;͑Δඇਖ਼نԽ)   • ͱΓ͋͑ͣϦετͰશ෦औಘ   ͦΕ͔Β1ϨίʔυͣͭৄࡉΛऔಘ͠Α͏

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ΞϓϦέʔγϣϯͱσʔλϕʔε • SELECT * FROM articles;   SELECT * FROM users WHERE user_id = ?;   • ͜Ε͕΋͠10000݅औಘͰ   ൃߦ͞Ε͍ͯͨΒʁ   • ORM͕ѱ͍ͷͰ͸ͳ͘   ద੾ʹར༻Ͱ͖͍ͯͳ͍έʔε

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େ͖͘νʔϜͱࣄۀͷ੒௕ • ૿͑ଓ͚ΔΞϓϦέʔγϣϯػೳ   • ։ൃνʔϜͷڊେԽ   ෳ਺ͷνʔϜߏ੒ͱ   ෳ਺ͷεςʔΫϗϧμ

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ෆ҆ఆͳΞϓϦέʔγϣϯ΁ • Ϩίʔυ૿Ճɾ࣮૷ίʔυ૿ՃʹΑΔ   ͞ΒͳΔύϑΥʔϚϯε௿Լ • ͍͡ΊΒΕଓ͚Δσʔλϕʔε • ͋ͪͪ͜Ͱى͜Γ࢝ΊΔো֐

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ࠔ೉ͳཁ݅ͷ࣮ݱ • ϦΫΤετ͝ͱʹϨεϙϯεΛ૊Έཱͯ   ΞϓϦέʔγϣϯͷύϑΥʔϚϯεѱԽ   • ਖ਼نԽͨ͠͸͍͍΋ͷͷɺཁ݅ʹ߹Θͤ ͨσʔλऔಘίετ૿  

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΍ͬͯ͠·͍͕ͪͳରԠ • ݪҼ͸Θ͔Γ·ͤΜ͕஗͘ͳ͖ͬͯͨͷͰ Ωϟογϡ͠·͢   -> ෳࡶԽ͢ΔΩϟογϡαʔόʔ • ݪҼ͸Θ͔Γ·ͤΜ͕஗͘ͳ͖ͬͯͨͷͰ Ωϟογϡ͠·͢   -> ΩϟογϡαʔόʹՃ͑ͯCDN΋௥Ճ

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΋͏खஈ͕ͳ͍ɾɾɾʂ

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ڊେͳΞϓϦέʔγϣϯ΁

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σʔλॲཧͷෳࡶԽ Ϣʔβʔ৘ใมߋ Ϣʔβʔ৘ใ࡟আ Ϣʔβʔ৘ใ͕ݟ͔ͭΒͳ͍ͨΊ   σʔλॲཧ͝ͱʹ"1*ΞΫηε ͋ͦ͜ͱͦ͜Ͱ৘ใ͕ҧ͏ʂ   Ͳͷσʔλ͕ຊ෺ʁ શͯͷΞϓϦέʔγϣϯ͔Β   Ωϟογϡͳ͠ͰΞΫηε   ৗʹߴෛՙঢ়ଶʹ

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ࢭΊΒΕͳ͍ ϏδωεͷՃ଎

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ฐ֐ • ϦϦʔε༏ઌͷͨΊɺ   ܧ͗଍͠ͷΞϓϦέʔγϣϯ   • εςʔΫϗϧμ૿Ճʹ൐͏   ΞϓϦέʔγϣϯͷෳࡶԽ • খதن໛ͷΞϓϦέʔγϣϯ࣌୅ͷ   ઃܭͱ࣮૷༝དྷͷෆ۩߹͕૿Ճ

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σʔλઃܭ༝དྷͷ໰୊ • େྔσʔλͷϑϧεΩϟϯ   • INDEXෆ଍ͷͨΊͷύϑΥʔϚϯε௿Լ • γϯϓϧͳߏ੒ނͷػೳ௥Ճ࣌ͷ   ΫΤϦෳࡶԽ

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࣮૷ίʔυ༝དྷͷฐ֐ • ػೳ௥ՃͷͨΊͷௐࠪʹ2ϲ݄   • ͞·͟·ͳཁҼͷੵΈॏͶʹΑΓ   བྷΈ߹ͬͨίʔυͰϞνϕʔγϣϯμ΢ϯ • ͕͔͔࣌ؒͬͯ͠·͏͕ނɺ   ϏδωενʔϜʹ·ͣҰݴ   ʮ͕͔͔࣌ؒΔͷͰͰ͖·ͤΜʯ

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ͦͷ݁Ռ • Ϗδωεͷ੒௕ػձଛࣦ • γϡϦϯΫ࢝͠ΊΔࣄۀ • ଞࣾʹෛ͚ͯ͠·͏ࣄۀ • څ༩্͕͕Βͳ͍ɾɾ

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͜ΕͰ͸ࣄۀ͕εέʔϧ͠ͳ͍ʂ

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ࣄۀ͸੒௕͢Δ΋ͷ • ΞϓϦέʔγϣϯ͸ϦϦʔε͔ͯ͠Β੒௕ • ૝ఆ֎ͷ੒௕Λ਱͛Δ   WebΞϓϦέʔγϣϯ • ͞·͟·ͳϏδωεͷՄೳੑΛߟྀͨ͠   σʔλઃܭ

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੒௕Λࢧ͑Δʹ͸ʁ • ఆظతͳσʔλϕʔεϦϑΝΫλϦϯάɺ ΞϓϦέʔγϣϯͷϦϑΝΫλϦϯά   ͕࣮ࢪͰ͖Δ͔ • ͋Γͱ͋ΒΏΔՄೳੑΛ૝ఆͨ͠σʔλ ઃܭ͸ෆՄೳ 27

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ΞϓϦέʔγϣϯͰى͜Δ໰୊ • ਖ਼نԽ͞Εͨςʔϒϧͱ   ඇਖ਼نԽςʔϒϧͷઓ͍ • ෳࡶԽ͢Δॻ͖ࠐΈॲཧͱଟൃ͢ΔN+1 • σʔλϞσϧͱυϝΠϯϞσϧ͕ҟͳΔ

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Α͋͘ΔN+1 • ঎඼Λऔಘ͠ ஍ҬɾΩονϯ৘ใΛऔಘ   • ΠΠωɺΫνίϛ਺΋औಘ͠ͳ͚Ε͹...

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public function run(): \Generato r { foreach ($repository->findAll() as $row) { yield new ReadProductTransfer ( $row , $this->kitchenRepository->find($row->getId()) , $this->areaRepository->find($row->getId() ) ) ; } }

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͜Μͳςʔϒϧઃܭͨ͠هԱ͸͋Γ·ͤΜ͔ʁ • UIΛߏ੒͢Δཁૉ͕औಘ͠΍͍͢   ςʔϒϧઃܭ • JOIN͢Δͱ஗͘ͳΔʁ   ͳΒ͹௒ϫΠυΧϥϜઃܭͩ

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͜Μͳςʔϒϧ͋Γ·ͤΜ͔ʁ • ͳʹ͔ͷεςʔλεΛฦ͢ʹ͸   ͋ͷΧϥϜͱ͜ͷΧϥϜͱ͋ΕΛɾɾɾɻ • ϏδωεϩδοΫ͕ςʔϒϧʹ͋Δ • ΧϥϜ໊ͱ༻్͕શ͘ผ

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ΞϓϦέʔγϣϯͰى͜Δ໰୊ • ඇਖ਼نԽςʔϒϧ͸ಛఆͷཁ݅Ͱ͸ղܾ Ͱ͖Δ͕ɺͦΕҎ֎ʹ͸೉͍͠ɻ   σʔλநग़ܥ΍ɺ   αʔϏε֦େɺ࢓༷มߋͳͲʹ͸ແཧ͕ ͋Δ

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ཁ݅ͱσʔλߏ଄ͷࠩ෼͸ ඞͣ͋Δ

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ॻ͖ࠐΈͱಡΈࠐΈͷҧ͍ ॻ͖ࠐΈ ಡΈࠐΈ Ұ؏ੑɾՄ༻ੑ τϥϯβΫγϣϯΛ༻ ͍ͯॻ͖ࠐΈΛߦ͏ Ұ؏ੑॏࢹ ݁Ռ੔߹ੑͱՄ༻ੑ σʔλ ਖ਼نԽ ඇਖ਼نԽ εέʔϥϏϦςΟ Ұൠతʹ εέʔϥϏϦςΟ͸   ॏཁͰ͸ͳ͍ ଟ͘ൺॏΛ઎Ί͓ͯΓ   εέʔϥϏϦςΟ͸ ॏཁ

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ߟ͑ΔϙΠϯτ • ॻ͖ࠐΈॲཧͰɺಡΈࠐΈཁ݅ʹରԠ͢Δ ͨΊͷॲཧ͕ଟ͍ • ಡΈࠐΈཁ݅Λ஌Βͳ͚Ε͹ॻ͖ࠐΊͳ͍ • Ϩεϙϯεͱσʔλߏ଄͕͋·Γʹ΋ҧ͍ ͗͢Δ

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ߟ͑ΔϙΠϯτ • σʔλͷਖ਼͠͞ͱཁ݅Ϩϕϧͷਖ਼͠͞͸ ҧ͏΋ͷ • ͲͪΒ͔ʹدͤͨઃܭʹ͢Δɺ   Ͱ͸ͳ྆͘ํΛ෼཭Ͱ͖Ε͹γϯϓϧʹ  

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ϛυϧ΢ΣΞϨϕϧͰ͸

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ॻ͖ࠐΈଟ਺ͷΞϓϦέʔγϣϯ • ॻ͖ࠐΈʹڧ͘ɺ   εέʔϧ͕༰қͳσʔλϕʔε΁   Cassandra, DynamoDB etc

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ಡΈࠐΈଟ਺ͷΞϓϦέʔγϣϯ • RDBMSͷΈͰ΋े෼   • LIKEݕࡧͳͲ͸Elasticsearch, Solr΁

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ղܾɺͰ͖ͳ͍ɾɾ • ϛυϧ΢ΣΞϨϕϧͰͷղܾํ๏Ͱɺ   ΞϓϦέʔγϣϯࣗମ͕࣋ͭ   ෳࡶ͞͸ղܾͰ͖ͳ͍ɻ • ύϑΥʔϚϯε໘Ͱͷվળ͸Ͱ͖Δ͕ɺ   ࣄۀͷ੒௕Λࢧ͑ΔεϐʔσΟ͞͸ͳ͍

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ΞϓϦέʔγϣϯϨϕϧͷ՝୊

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ΞϓϦέʔγϣϯϨϕϧͰͷ՝୊ • ෼ੳΛߦΘͳ͍͜ͱʹΑΔޡͬͨ൚༻Խ • ෳ਺ͷίϯςΩετ͕ࠞࡏ • ͳΜͰ΋͠Α͏ͱ͢Δॲཧ

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ڥք෇͚ΒΕͨίϯςΩετ ঎඼͸   ঎඼໊   ѻ͍ͬͯΔΩονϯళฮ ஋ஈ   ൢചظؒͰ͢

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ڥք෇͚ΒΕͨίϯςΩετ QSPEVDU/BNF   LJUDIFO/BNF QSJDF TBMFT1FSJPE  

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ڥք෇͚ΒΕͨίϯςΩετ ঎඼͸   ঎඼໊   ݸ਺ ഑ૹઌͰ͢

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ڥք෇͚ΒΕͨίϯςΩετ QSPEVDU/BNF   LJUDIFO/BNF QSJDF TBMFT1FSJPE RVBOUJUZ TJQQJOH"EESFTT  

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ڥք෇͚ΒΕͨίϯςΩετ ঎඼͸   ঎඼໊   ஋ஈͰ͢

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ڥք෇͚ΒΕͨίϯςΩετ QSPEVDU/BNF   LJUDIFO/BNF QSJDF TBMFT1FSJPE RVBOUJUZ TJQQJOH"EESFTT  

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ڥք෇͚ΒΕͨίϯςΩετ • ঎඼ͱ͍͏ݴ༿Ͱ΋಺༰͕ҟͳΔ • ΞϓϦέʔγϣϯ಺Ͱ΋ଟʑ • ڞ௨ԽͰ͖Δ΋ͷͰ͸ͳ͍

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ڥք෇͚ΒΕͨίϯςΩετ • ྫ͑͹ɺ঎඼Λࢦ͢ݴ༿ͱ   DB্ͷproductsςʔϒϧ͸Ұக͠ͳ͍ έʔε͕ଟ͍   • ͲͪΒ͔ʹ߹ΘͤΒΕΔ΋ͷͰ͸ͳ͍ͱ   ೝࣝ͢Δ͜ͱ

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ॻ͖ࠐΈͱಡΈࠐΈΛ ෼཭ͯ͠Έͯ͸Ͳ͏͔

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CQRS

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CQRS • ॻ͖ࠐΈϞσϧͱಡΈࠐΈϞσϧΛִ཭ • υϝΠϯϞσϧͷ෼཭͚ͩͰͳ͘   σʔλετΞ͢Β΋෺ཧతʹผ෺ʹ෼཭Մೳ   ؔ৺ࣄͷ෼཭Λపఈ   • DDDʹ͓͚ΔಡΈࠐΈͱॻ͖ࠐΈͷࠩ෼Λղܾ͢Δ ύλʔϯ

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CQRS

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CQRS ͳΜΒ͔ͷม׵ॲཧΛ௨ͯ͡   3FBEͷσʔλΛߋ৽

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CQRS • CommandͱReadʹڥքઢ͕͋Δ • CommandͱRead͸   ಉ͡ϦϙδτϦɺϢʔεέʔεͱ͠ͳ͍ • ಉ͡ςʔϒϧ͸ࢀর͠ͳ͍

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σʔλϕʔε΋෼཭Ͱ͖Ε͹ʁ

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େ͖͘ͳͬͨαʔϏεͰղܾ͞ΕΔ໰୊ • ෳࡶԽ͍ͯͨ͠ಡΈࠐΈϞσϧͷ   ύϑΥʔϚϯεΛվળ • ಡΈࠐΈϞσϧʹؔ͢Δ   εέʔϥϏϦςΟ޲্

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஫ҙ఺ • CQRS͸ಛఆͷػೳʹͷΈద༻Մೳ   ΞϓϦέʔγϣϯશͯʹద༻͢Δ΋ͷͰ͸ ͳ͍ • ॻ͖ࠐΈϞσϧͱಡΈࠐΈϞσϧͷࠩ෼͕Α ͘Θ͔Βͳ͍   -> ཁ݅ͷ෼ੳΛ·ͣ͠·͠ΐ͏

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CQRSʹΑͬͯղܾ͞ΕΔ໰୊ • ॻ͖ࠐΈϞσϧ͸CUDΛ୲౰͠ɺ   υϝΠϯϞσϧͷ࣮૷Λߦ͏ • ಡΈࠐΈϞσϧͷ୯७Խ   DTOͷΈ΁

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CQRSʹΑͬͯղܾ͞ΕΔ໰୊ • ಡΈࠐΈϞσϧ͸ɺཁ݅ʹ߹Θͤͨ   ͞·͟·ͳσʔλϕʔεΛར༻͠   ಡΈࠐΈϞσϧͷύϑΥʔϚϯεΛվળ • ॻ͖ࠐΈϞσϧ΋ಉ༷ʹ   ཁ݅ʹ߹ΘͤͨσʔλϕʔεΛར༻

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ྫ • ϥϯΩϯάॲཧ   ͋Δظؒ·ͰͷσʔλΛ࢖ͬͨ   ϥϯΩϯάΛੜ੒ • ੥ٻσʔλͷੜ੒     ͳͲ

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ϥϯΩϯά࡞੒໰୊ • ϦΫΤετຖʹϥϯΩϯά࡞੒   -> εέʔϧ͠ͳ͍   • ྫ͑͹1ԯલޙͷશσʔλʹରͯ͠   ౎౓ΫΤϦΛ౤͛ͯऔಘ͢Δ

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঎඼ͷϥϯΩϯάྫ • ྫ͑͹   ঎඼ͦͷ΋ͷΛѻ͏Ϟσϧͱ   ϥϯΩϯάΛߏ੒͢Δ঎඼ͷϞσϧΛ   ڞ௨Խͯ͠͠·͏

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঎඼ͷϥϯΩϯάྫ • ྫ͑͹   ঎඼ͦͷ΋ͷΛѻ͏Ϟσϧͱ   ϥϯΩϯάΛߏ੒͢Δ঎඼ͷϞσϧΛ   ڞ௨Խͯ͠͠·͏   -> ౰વμϝ

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ϥϯΩϯά࡞੒໰୊ղܾ • લ೔·ͰͷσʔλΛ࢖ͬͯ   ϥϯΩϯάΛ࡞Δཁ݅ͷ৔߹   ʢཁ݅ʹΑͬͯมΘΓ·͢ʣ • σʔλͷߏ੒ཁૉ͸ෆมͰ   ౎౓ੜ੒͢Δඞཁ͸ͳ͍   ࣄલʹσʔλΛੜ੒͠ɺϦʔυΛ୲౰͢Δσʔλ ϕʔεʹอ࣋

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ϥϯΩϯά࡞੒໰୊ղܾ • ϥϯΩϯάʹ͍ͭͯͷ஌͕ࣝͳ͘ͱ΋   ಘΒΕΔ͜ͱ͕Ͱ͖Δ • ElasticsearchͷΤΠϦΞεͳͲΛ   ར༻͢Δ͜ͱͰ༰қʹରԠՄೳ

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ϥϯΩϯά࡞੒໰୊ղܾ • ϥϯΩϯάੜ੒ʹෆ۩߹͕͋ͬͨ৔߹ɺ   ࠶౓ੜ੒͢Ε͹ྑ͍ • ো֐͕͋ͬͯ΋࠶࣮ߦ͢Ε͹Α͍

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CQRS ར఺

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CQRS ར఺ • ଱ো֐ੑͷ޲্ • εέʔϥϏϦςΟ • ޮ཰ͷྑ͍σʔλϕʔεͷબ୒ • పఈͨؔ͠৺ͷ෼཭

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CQRS ܽ఺

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CQRS ܽ఺ • ҰͭҰͭͷػೳ͸γϯϓϧ   ߏ੒͢Δཁૉ͕૿͑ΔͨΊશମͰݟΔͱ ෳࡶԽ   • ϨϓϦέʔγϣϯͷλΠϜϥά

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ෳࡶԽ • CUDΞϓϦέʔγϣϯ   • RΞϓϦέʔγϣϯ • ಡΈࠐΈϞσϧߋ৽ΞϓϦέʔγϣϯ

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ෳࡶԽ • ѻ͏σʔλϕʔε͕૿͑Ε͹ɺ   ͦΕͧΕͷσʔλϕʔεʹ߹Θͤͨ   ؅ཧɺӡ༻ํ๏͕ඞཁ • ։ൃ࣌ʹෳ਺ͷσʔλϕʔεͷ஌͕ࣝ   ඞਢ

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ϨϓϦέʔγϣϯͷλΠϜϥά • γϯϓϧͳϥϯΩϯάͳͲ͸໰୊ͳ͠   • ϦΞϧλΠϜੑ͕ཁٻ͞ΕΔॲཧ   ྫ) ঎඼͕ొ࿥͞ΕͨΒଈ   ݕࡧΫΤϦͰώοτͰ͖Δ༷ʹͯ͠ʂ

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ϨϓϦέʔγϣϯͷλΠϜϥά • ͍͍ͶϘλϯΛԡͨ͠ΒΠϯΫϦϝϯτ/ σΫϦϝϯτͤͯ͞ɺ͍͍ͶॱͰιʔτ • ϝοηʔδ͕౤ߘ͞ΕͨΒɺ   ϑΥϩϫʔશһʹϦΞϧλΠϜͰ௨஌

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CQRS͚ͩͰ͸ղܾ͕Ͱ͖ͳ͍ • DBͷτϦΨʔͳͲΛ༻͍ͯมߋΛݕ஌   ҟͳΔσʔλϕʔεΛબ୒͢Δͱ   ରԠෆՄೳ • ϦʔυϞσϧߋ৽༻ϓϩηεΛ   ༻ҙ͠ͳ͚Ε͹ͳΒͳ͍   ͕ɺมߋͷݕ஌͕͏·͘Ͱ͖ͳ͍

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ྫ֎ • Debezium • DynamoDB streams • LinkedIn Databus     ͳͲ͸ॻ͖ࠐΈΛݕ஌ͯ͠௨஌Մೳ

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CQRS͚ͩͰ͸ղܾ͕Ͱ͖ͳ͍ • ҟͳΔσʔλϕʔε΁ͷίϛοτ   • 2ϑΣʔζίϛοτରԠ͸೉͍ͨ͠Ί   ආ͚ͳ͚Ε͹ͳΒͳ͍

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ϑϨʔϜϫʔΫͰղܾͰ͖Δ͡ΌΜʂ • ྫ͑͹Laravel   Queue͸ɺPHPͷΦϒδΣΫτΛ   γϦΞϥΠζ͠QueueʹಥͬࠐΜͩ෺ • पลγεςϜ͕PHPͩͱ͸ݶΒͳ͍

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Event Sourcing

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Event Sourcing • ΠϕϯτΛه࿥ͯ͠࠶ݱ͢Δύλʔϯ • ΠϕϯτΛΠϕϯτετΞʹอଘ͠ਅͷιʔεʹ • ه࿥͞ΕͨΠϕϯτ͔ΒΦϒδΣΫτΛ෮ݩ • Πϕϯτ͸ෆม

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Event Sourcing • ಡΈࠐΈ͕ར༻͢Δσʔλϕʔε΁ͷ   ൓өʹඞਢ • ৴པͰ͖Δਅͷσʔλιʔεʹ   ΠϕϯτετΞʹσʔλ͕͋Ε͹ྑ͍

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Message Brokerબఆ • PubSubͰشൃੑͷͳ͍΋ͷΛબ୒͢Δ • ϝοηʔδอ؅͕ՄೳͰɺ࠶ݱ͢Δ͜ͱ ͕Մೳͳ΋ͷΛ࠾༻͢Δͷ͕๬·͍͠ • εέʔϥϒϧͰ͋Δ͜ͱ

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͓͢͢Ί͸ʁ • Message Broker͸εέʔϥϏϦςΟॏࢹ • ௚ۙͷΠϕϯτΛ͙͢ʹऔಘͰ͖Δ΋ͷ • ۤ࿑ͨ͘͠ͳ͚Ε͹Apache Kafka   (AWS MSK / Con f l uent ͳͲ)

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Event Sourcing CQRS

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CQRS

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CQRS σʔλߋ৽͕ൃੜʂ   ৽͍͠σʔλૹΓ·͢Ͷ

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ղܾͰ͖Δ໰୊

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ෳࡶ͔ͭϋΠύϑΥʔϚϯεͳ   ݕࡧ

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N+1ͳͲʹΑΔύϑΥʔϚϯεྼԽ εφοϓγϣοτతʹσʔλΛ   ॻ͖ࠐΈ   MBTUJOTFSU*%͕Ͳ͏ͯ͠΋࢖͍͍ͨ৔߹ͳͲ

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N+1ͳͲʹΑΔύϑΥʔϚϯεྼԽ %#ॻ͖ࠐΈ׬ྃޙɺ ಛఆͷΠϕϯτΛൃߦ

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N+1ͳͲʹΑΔύϑΥʔϚϯεྼԽ ಡΈࠐΈϞσϧߋ৽ϓϩηε͕ ΠϕϯτΛফඅ

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N+1ͳͲʹΑΔύϑΥʔϚϯεྼԽ &MBTUJDTFBDI΁ॻ͖ࠐΈ   ಛఆͷϨίʔυͷΈॻ͖׵͑Δ   ྫ͑͹ϥΠΫ਺΍ɺίϝϯτ਺ͳͲ

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N+1ͳͲʹΑΔύϑΥʔϚϯεྼԽ ಡΈࠐΈ͸γϯϓϧʹ   ΠϯσοΫεʹ໰͍߹ΘͤΔͷΈ   ෳࡶͳܭࢉॲཧ͸ߦΘͳ͍

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ϝϦοτ • ॴҦεϚʔτUIύλʔϯΛ   ଞʹӨڹΛ༩͑Δ͜ͱͳ࣮͘ݱ • ॻ͖ࠐΈͰඞཁͱ͞ΕΔਖ਼نԽΛ่͢͜ͱͳ͘   ରԠՄೳ • ಡΈࠐΈΛεέʔϧͤ͞΍͍͢

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ϝϦοτ • ಡΈࠐΈϞσϧͷߋ৽ॲཧ΋ࢸͬͯ؆୯   • ৔߹ʹΑͬͯ͸ϏδωεϩδοΫΛ࣮૷ ͢Δ͜ͱ΋͋ΓɺෳࡶʹͳΒͳ͍Α͏ʹ ஫ҙ͢Δ

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஫ҙ • Ϩίʔυʹߋ৽ɺ   ࡟আ͕ൃੜ͢Δ৔߹   μʔςΟϦʔυʹ஫ҙ

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෼ࢄτϥϯβΫγϣϯ

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෼ࢄτϥϯβΫγϣϯ • ಡΈࠐΈϞσϧߋ৽ϓϩηε͕   ෳ਺ͷσʔλϕʔεʹ   ॻ͖ࠐ·ͳ͚Ε͹͍͚ͳ͍έʔε • 2ϑΣʔζίϛοτ͸ίετ͕ߴ͍

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෼ࢄτϥϯβΫγϣϯ͸೉͘͠ɺෳࡶ • ෺ཧతʹҟͳΔσʔλϕʔεͰ   ॲཧ͕ࣦഊͨ͠৔߹   • औΓফ͢ॲཧΛ૸Βͤͳ͚Ε͹ͳΒͳ͍ • NoSQL΍KafkaͳͲʹ͸ͳ͍

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෼ࢄτϥϯβΫγϣϯΛ࢖Θͳ͍ • ҰͭͷϓϩηεͰ   ෳ਺σʔλϕʔε΁ॻ͖ࠐΉͷΛආ͚Δ • Ͳ͏ͯ͠΋ආ͚ΒΕͳ͍৔߹͸   ϚΠΫϩαʔϏεΞʔΩςΫνϟͷ   τϥβΫγϣϯରࡦͷҰͭɺSagaΛར༻

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ίϨΦάϥϑΟͷαʔΨ ঎඼ड஫ΠϕϯτΛൃߦ

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ίϨΦάϥϑΟͷαʔΨ ΩονϯαʔϏε͕   ঎඼ड஫ΠϕϯτΛফඅ 1&/%*/(ঢ়ଶͱ͢Δ

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ίϨΦάϥϑΟͷαʔΨ ΩονϯαʔϏε͕   ঎඼༻ҙΠϕϯτΛൃߦ

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ίϨΦάϥϑΟͷαʔΨ ঎඼༻ҙΠϕϯτΛফඅ ΫϨδοτܾࡁΛ࣮ߦ

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ίϨΦάϥϑΟͷαʔΨ ձܭαʔϏε͕   ܾࡁ׬ྃΠϕϯτΛൃߦ

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ίϨΦάϥϑΟͷαʔΨ ΩονϯαʔϏε͕   ܾࡁ׬ྃΠϕϯτΛফඅ   ࠷ऴతͳΠϕϯτΛऔಘ͢Δ·Ͱ "8"*5*/(ঢ়ଶͱ͢Δ  

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ίϨΦάϥϑΟͷαʔΨ ঎඼ड஫αʔϏε͕   ܾࡁ׬ྃΠϕϯτΛফඅ  

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ίϨΦάϥϑΟͷαʔΨ ঎඼ड஫αʔϏε͕   ड஫Λਖ਼ৗऴྃͱݟ၏͠௨஌  

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ίϨΦάϥϑΟͷαʔΨ ड஫ਖ਼ৗऴྃΛফඅ͠ɺ Φʔμʔ௨ΓͷྉཧΛ։࢝

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ίϨΦάϥϑΟͷαʔΨ ϝϦοτ • ର৅͕গͳ͘ɺγϯϓϧͳॲཧͷϑϩʔ ʹ࠷ద   • ॲཧͷ੹຿͕෼ࢄ͍ͯ͠ΔͨΊ   ୯Ұো֐఺ͳ͠

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ίϨΦάϥϑΟͷαʔΨ σϝϦοτ • ෼ࢄ͍ͯ͠Δ͕ނʹΘ͔Γʹ͍͘ • ॥؀ґଘ • ݁߹ςετͷ೉қ౓͕ߴ͍ • ؔ܎͢ΔαʔϏεͷΠϕϯτ͸શͯαϒεΫ ϥΠϒ͢Δඞཁ͕͋Δ

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ΦʔέετϨʔγϣϯͷαʔΨ ঎඼ड஫ΠϕϯτΛൃߦ

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ΦʔέετϨʔγϣϯͷαʔΨ ΩονϯαʔϏε͕   ঎඼ड஫ΠϕϯτΛফඅ 1&/%*/(ঢ়ଶͱ͢Δ

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ΦʔέετϨʔγϣϯͷαʔΨ ΩονϯαʔϏε͕   ঎඼༻ҙΠϕϯτΛൃߦ

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ΦʔέετϨʔγϣϯͷαʔΨ ΦʔέετϨλʔͱͯ͠   ঎඼༻ҙΠϕϯτΛফඅ

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ΦʔέετϨʔγϣϯͷαʔΨ ձܭαʔϏεʹ ΫϨδοτܾࡁґཔΠϕϯτΛ ൃߦ

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ΦʔέετϨʔγϣϯͷαʔΨ ΫϨδοτܾࡁґཔΠϕϯτΛ   ফඅ   ܾࡁΛߦ͏

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ΦʔέετϨʔγϣϯͷαʔΨ ΫϨδοτܾࡁ׬ྃΠϕϯτΛ   ൃߦ

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ΦʔέετϨʔγϣϯͷαʔΨ ΫϨδοτܾࡁ׬ྃΠϕϯτফඅ ΩονϯαʔϏεʹܾࡁ׬ྃΠϕ ϯτΛൃߦ

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ΦʔέετϨʔγϣϯͷαʔΨ ϝϦοτ • ॥؀ґଘͳ͠ • ؔ܎͢ΔαʔϏεͷΠϕϯτΛαϒεΫ ϥΠϒ͢Δඞཁ͕ͳ͍ • ίϨΦάϥϑΟΑΓ΋εςʔλεΛ࣋ͨ ͳ͍ͨΊɺϩδοΫ͕୯७ʹ

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ΦʔέετϨʔγϣϯͷαʔΨ ϝϦοτ • ΦʔέετϨʔλʹϏδωεϩδοΫ͕   ूத͠΍͘͢ͳΔ   ίʔσΟωʔτ͚ͩΛߦ͏Α͏ʹ   ϏδωεϩδοΫΛഉআ͢Δඞཁ͋Γ • ϫʔΫϑϩʔܗʹͳΔͨΊɺ   ো֐఺ʹͳΔՄೳੑ͋Γ

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αʔΨͷ஫ҙ఺ • ߋ৽σʔλͷ૕ࣦ • μʔςΟϦʔυ • ൓෮ෆೳಡΈऔΓ

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αʔΨͷ஫ҙ఺ • ෼ࢄॲཧ͸Ԟ͕ਂ͘೉қ౓͕ߴ͍ • PHPͰ࣮ݱͤ͞Δͷ͸͓͢͢Ί͠·ͤΜ • ಘҙͳݴޠɺ࢓૊Έʹ೚ͤΑ͏

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ES+CQRSͷ   ΤοηϯεΛऔΓೖΕΔ

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ES+CQRSͷൃల • DDD޲͚ͷղܾύλʔϯͰ͸͋Δ͕ɺ   ۙ೥Ͱ͸ΤοηϯεΛऔΓೖΕͨ   LambdaɺKappaΞʔΩςΫνϟ͕͋Δ   (େن໛σʔλॲཧ޲͚ not Web App)

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KappaΞʔΩςΫνϟ

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KappaΞʔΩςΫνϟ

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·ͱΊ

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·ͱΊ • Ϗδωεʹؔ৺Λ࣋ͭ͜ͱ͕ୈҰ • ن໛ʹ߹Θͤͨσʔλઃܭ   ఆظతͳϦϑΝΫλϦϯά   ཁ݅ͷ෼ੳͰϏδωεΛࢧ͑Δ • దࡐదॴΛݟۃΊΔٕज़

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ࣄۀΛࢧ͍͑ͯ͜͏