Goをサービス投入して1年ほどの途中経過
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1 golang.tokyo #15 Մೳੑʹ GoΛαʔϏεೖͯ͠ 1΄Ͳͷ్தܦա May 30, 2018 Yoshihiro Takahashi Development Unit Cluex Co.,Ltd.
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 2 ໊લ: ߴڮ Ղ (Takahashi Yoshihiro) Github: @yoshi42662 Twitter: @yoshi_xxxxxiiii # ॴଐ גࣜձࣾCluex (Ϋϧʔ) ࣗݾհ # TODO Go͖ͳͷʹ࠷ۙ৮Ε͍ͯͳ͍ʂ # FIXME ࣾͰ͋͝ͻ͛ۚͱݺΕΔ
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 3 ࣗݾհ
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ࢠҭͯʹΉϚϚୡͷҝͷʮࢠҭͯ૯߹ϝσΟΞʯ ࢠҭͯʹؔ͢ΔΑ͋͘ΔΈ͔Βͪΐͬͱ໘ന͍ࢠҭͯΤϐιʔυɺ ·ͨ࢈්ਓՊݕࡧ·ͰΛൃ৴ɻ ใΛൃ৴͢Δ͚ͩͰͳ͘ɺ࢈්ਓՊখࣇՊΫνίϛɺ ·͓ͨࢠ༷࿈ΕͰར༻͍͓͢͠ళͷใͳͲɺ ͨͩͷϝσΟΞʹཹ·Βͳ͍ɺϚϚ͞Μ͕ʮຊʹཉ͍͠ใʯΛ ൃ৴͢Δࢠҭͯ૯߹ϝσΟΞͰ͢ɻ https://mamanoko.jp 4
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ϚϚͷજࡏతͳΈΛղܾ͢ΔʮࢠҭͯΞϓϦʯ · · ͷ ͯ 5
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 6 Application Ruby on Rails 5.1.4 React / Redux / Webpack Infrastructure AWS Docker on ECS ٕज़ελοΫ · · ͷ ͯ ࢠҭͯʹΉϚϚୡͷҝͷʮࢠҭͯ૯߹ϝσΟΞʯ ϚϚͷજࡏతͳΈΛղܾ͢ΔʮࢠҭͯΞϓϦʯ iOS Swift Clean Architecture Android Kotlin Clean Architecture Architecture Components API Go / echo / GORM
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7 ࣾʹ͓͚ΔGoݴޠͷಋೖࣄྫ 1 ωΠςΟϒΞϓϦ༻API
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 8 ࣾʹGopher͍ͳ͍ Goྺ1िؒఔͰ࣮։࢝ 3ϲ݄΄ͲͰॳϦϦʔε GoͷϥΠϒϥϦબͼ͍͠ ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ ωΠςΟϒΞϓϦ༻ APIΛϑϧεΫϥον Go / echo / gorm MVCΞʔΩςΫνϟ firebase / Postgres / Elasticsearch AWS ECS / Blue-Green Deployment ߏ
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 9 * ϑϧεΫϥονͰ։ൃ → αʔϏεೖͯ͠1ऑ * ػೳՃͱϦϑΝΫλϦϯάΛͻͨ͢Β܁Γฦ͢ * ϓογϡ௨ͷόονʹΰϧʔνϯΛಋೖ * ruby gemΛgoͰॻ͖͠ * ϧʔςΟϯάϨϕϧͰgo-cacheʹΑΔΩϟογϡ ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ ͜Ε·Ͱʹओʹͬͨ͜ͱ ΞϓϦAPIʹٻΊΒΕ͍ͯΔ͜ͱ * jsonΛ͍͔ʹ͘ΫϥΠΞϯτฦ͔͢
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 10 ػೳతཁ݅ * SQL4ճ → ࣌ؒܭࢉ → jsonม → σʔλྔ͕ଟ͘300~600ms / req. ͔͔Δ * ͕มΘͬͨॠؒʹΩϟογϡΛexpire͢Δඞཁੑ * ࠷খߏͰՄೳͳݶΓͷ্Λࢦ͢ ͬͨ͜ͱ * go-cacheΛಋೖ (·ͩΩϟογϡαʔόʔཱͯͨ͘ͳ͍) * routingϨϕϧͰͷΩϟογϡઃఆ͕Ͱ͖ΔΑ͏ʹͨ͠ * cacheΛอ࣋͢ΔࡍʹɺόΠφϦͰอଘ͢ΔΑ͏ʹมߋ * ฏۉ 30ms / req. ·Ͱվળ ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 11 ݁Ռ * ΫϥΠΞϯταΠυͷΤϯδχΞ͔Β͕ۤ͘Δ → LoadingදࣔΛ࣮ͨ͠ͷʹLoading͕ग़ͳ͍ ࠓޙ * TickerΛͬͯࣄલʹϨεϙϯεΛΩϟογϡʹͤΔ * singleflightͰಉ࣌ଟൃΞΫηεͷෛՙ؇ ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ
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12 ࣾʹ͓͚ΔGoݴޠͷಋೖࣄྫ 2 Go on Rails
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 13 Ruby on RailsͷΞϓϦέʔγϣϯͷߴෛՙϩδοΫ → ruby࣮ʹΑΔtextlint(ຊޠͷจࣈྻॲཧ) → ཁ্݅ɺΩϟογϡΛ༻Ͱ͖ͳ͍ → appαʔόʔͷworker͕ॲཧதͣͬͱ༗͞ΕΔ → 60 sec. / req. ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ × ϒϥβଆͰॲཧͤ͞Δ × αʔόʔϨε (AWS lambda etc.)
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 14 → ߴෛՙϩδοΫ෦ΛGo࣮ʹϦϓϨΠε → C༻όΠφϦʹมͯ͠Railsଆ͔Βffiܦ༝Ͱcall → 1sec. / req. ·Ͱվળ (60ഒͷ্) ࣾʹ͓͚Δ(Pݴޠͷಋೖࣄྫ Go࣮ + ffi (gem) 3VCZPO3BJMT %# #JOBSZ (P࣮ ⒏ ⒏ ˞'PSFJHO'VODUJPO*OUFSGBDFͷུ
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$PQZSJHIU© $MVFY$P -UE"MM3JHIUT3FTFSWFE 15 8F`SFIJSJOH ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠