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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ϥΠϒετϦʔϛϯάαʔϏεͷ ෛՙΛࡹͨ͘Ίʹͨ͠Nͷ͜ͱ ੨໦ ܒ߶ @hoyo1111 n = 3

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@hoyo1111 ੨໦ܒ߶ʢ͓͖͚͍͋͝͏ʣ גࣜձࣾѮɹɹɹɹࣥߦ໾һ$50ɹˡࠓ೔͸ͬͪ͜ͷ࿩ גࣜձࣾϗϤελɹ୅දऔక໾ 1)1FSͰ͢ ओʹ1IBMDPOͱ͍͏ϑϨʔϜϫʔΫΛ࢖͍ͬͯ·͢ ΋ͱ΋ͱӦۀ΍ͬͯ·ͨ͠ʢ໿೥ʣ ΤϯδχΞͱͯ͠ͷ࣮຿ܦݧ͸Ѯ͕ࣾ໨Ͱ͢

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ࠓ೔࿩͢͜ͱ ΤϯδχΞܦݧθϩͷਓ͕ؒελʔτΞοϓʹδϣΠϯͯ͠ɺ ؾ߹ͱࠜੑͰαʔϏεΛܧଓ͖ͤͯͨ͞Τϐιʔυ αʔϏεͷεέʔϧʹؔ͢Δͻͱͭͷࣄྫ ΠϯϑϥͷεέʔϧΛߟ͑Δͱ͖ʹ৺͕͚͍ͯΔ͜ͱ

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ϥΠϒετϦʔϛϯά

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ഭΓདྷΔόʔεττϥϑΟοΫ

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ϥΠϒετϦʔϛϯάத

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ࢹௌऀ͕૿͑ͳ͍Α͏ʹ ϓογϡ௨஌Λ͖͋ΒΊΔ҉ࠇظ n = 1 ʢ2೥લ͘Β͍ʣ

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ଓ͚ͯݟΔϢʔβ΋͍ΔͷͰ 19࣌୆ΑΓ΋20࣌୆ɺ 20࣌୆ΑΓ΋21࣌୆ͷ΄͏͕ ΞΫηε͕૿͑Δ͜ͱ͕ଟ͍ तۀ5ʙ10෼લʹϓογϡ௨஌Λૹ͍͕ͬͯͨɺ ෛՙ͕ߴ͍ͷͱ͖͸҆ఆੑΛ༏ઌ͠ٽ͘ٽ͖͋͘ΒΊΔ͜ͱ΋…

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ΞΫηε૿΁ͷରࡦ͕΄΅օແͰ ίϝϯτऔಘͷͨΊͷϙʔϦϯάͰ αʔόͷෛՙ͕૿େ͠ଓ͚Δ ʂ ΋ ͏ݶք ʂ

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$BDIJOH-PBE#BMBODJOH

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ElastiCache(Memcached)Λ࢖͍ ίϝϯτऔಘͳͲҰ෦ʹ͍ͭͯ HTTPϦΫΤετ݁ՌΛΩϟογϡ ʂ

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Ξοϓϩʔυͨ͠ը૾ͳͲ͸ ֨ೲઌΛS3ʹมߋ ʂ ηογϣϯ৘ใͷอଘઌ΋ Memcacheʹมߋ ELBΛಋೖ

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n = 2 ഑৴͕ελʔτ͢ΔλΠϛϯά͚ͩ ҟৗͳ΄Ͳ൓Ԡ͕஗͘ͳΔ֦େظ ʢ൒೥લ͘Β͍ʣ

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ΞϓϦىಈ࣌ʹΫΤϦ͕ଟ਺࣮ߦ - Ϣʔβೝূ / ձһεςʔλε֬ೝ - ഑৴εέδϡʔϧදࣔ - ΞϓϦ಺௨஌ͷ༗ແ֬ೝɹͳͲ ʂ ΋ ͏ݶք ʂ

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"NB[PO"VSPSB

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ʂ RDSͷΤϯδϯΛAurora΁มߋ ߋ৽ܥΫΤϦͷΈwriterʹ޲͚Δ ࢀরܥΫΤϦ͸read replica΁

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nginx php-fpm haproxy writer read replica read replica

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n = 3 ৔౰ͨΓతͩͬͨϩάऩू͕ αʔϏεͷ੒௕Λ્֐͢Δస׵ظ ʢ΄΅ݱࡏਐߦܗʣ

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ϥΠϒετϦʔϛϯάࢹௌϢʔβͷ ΞΫηεϩάΛMySQLʹอଘ ࢹௌ։࢝ˠ཭୤Λ೺Ѳ͍ͨͨ͠Ί ϙʔϦϯάͷ౎౓DBʹΫΤϦ͕૸Δ ΋ ͏ݶք ʂ

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4FSWFSMFTT"SDIJUFDUVSF

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ϩάͷҰ࣌อଘઌΛ DynamoDBʹมߋ͠ɺ طଘͷAPI Server͔Β LambdaʹॲཧΛҕৡ

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ϩάͷҰ࣌อଘઌΛ DynamoDBʹมߋ͠ɺ طଘͷAPI Server͔Β LambdaʹॲཧΛҕৡ ഑৴ऴྃޙʹWorker͕ DynamoDBͷϨίʔυΛ ద੾ʹ੔ܗ͔ͯ͠Βอଘ

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights େ੾ʹ͖ͯͨ͜͠ͱ

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights #VJMEUP5IJOL

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૸Γͳ͕Βߟ͑Δ ձࣾ΍αʔϏεͷϑΣʔζʹΑͬͯબ୒ࢶ͸ແݶେ ࣍ʑͱ৽͍ٕ͠ज़͕ग़ͯ͘ΔͷͰ࠷దղ͸ৗʹมԽ͢Δ ͦ΋ͦ΋ɺεέʔϧͷ֦େΑΓ༏ઌ͢΂͖͜ͱ͕͍͍ͩͨଟ͍

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights OBOJHJHBOUVNVNFSJTJOTJEFOUFT

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ڊਓͷݞʹͷΔ ୳ͤ͹ࢁͷΑ͏ʹέʔεελσΟ͕ग़ͯ͘Δ શͯΛθϩ͔Β͍ͭͬͯ͘Δ༨༟͸ͳ͍ ελʔτΞοϓʹͱͬͯ͸ɺ࠷ઌ୺ͷҰา͋ͱΛาΉ͘Β͍͕ ͪΐ͏Ͳ͍͍ʢ৔߹΋ଟ͍ʣ ٕज़ͷ૊Έ߹Θͤ࣍ୈͰʢ͋Δఔ౓·Ͱ͸ʣͳΜͱ͔ͳΔ

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Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights 8FSF)JSJOH