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͋ͳͨͬͯͲΜͳํ(ܕ)ʁ 2018/05/25 kamakura.go#4

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ࣗݾ঺հ • ໼ਧྒྷհ a.k.a ˏKonboi • ໘ന๏ਓΧϠοΫ • SGࣄۀ෦ • αʔόʔαΠυΤϯδχΞ/
 ΤϯδχΞϦϯάϚωʔδϟʔ • Go/Perl/AWS

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ࠓ೔ͷ͓࿩

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͋ͳͨͬͯͲΜͳํ(ܕ)ʁ

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GoͷϓϩδΣΫτͰδϣϒΩϡʔΛ
 Amazon SQSΛ࢖࣮ͬͯݱͨ͠࿩

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GoͷϓϩδΣΫτͰδϣϒΩϡʔΛ
 Amazon SQSΛ࢖࣮ͬͯݱͨ͠࿩

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δϣϒΩϡʔ • a.k.a ϝοηʔδΩϡʔ/λεΫΩϡʔ • Perl • Gearman • Q4M • Rails • ActiveJob • Sidekiq • Shoryuken

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δϣϒΩϡʔ • ඇಉظʹॲཧΛߦ͍͍ͨ • ϩδοΫͷॲཧΛ෼͚͍ͨ • ex) • Ϣʔβʔొ࿥ޙϝʔϧΛૹΔ • ΫΤετΫϦΞ࣌ͷΫΤετΫϦΞνϟϨϯδͷୡ੒ • ϑϨϯυΛΫΤετʹ࿈Εͯߦͬͨ࣌ʹ
 ϑϨϯυ΁ϙΠϯτ෇༩

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GoͷϓϩδΣΫτͰδϣϒΩϡʔΛ
 Amazon SQSΛ࢖࣮ͬͯݱͨ͠࿩

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Amazon SQS • Simple Queue Service ͷུ • ϚωʔδυͷΩϡʔΠϯάαʔϏε • ඪ४ΩϡʔͱFIFO(First In First Out)Ωϡʔͷ2ͭ • ͨͩ͠ɺFIFO͸౦ژϦʔδϣϯະରԠ

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Amazon SQS • String,Number,BinaryͷσʔλΛ
 ϝοηʔδຊจʹ֨ೲՄೳ • Attributeͱݺ͹ΕΔϑΟʔϧυʹ
 ຊจͱ͸ผʹ৘ใ͕֨ೲՄೳ • Ұఆ࣌ؒܦͭͱ
 ࠶౓ϝοηʔδ͕औಘͰ͖Δ • ϝοηʔδ͸ࣗ਎Ͱ࡟আ͢Δඞཁ͕༗Δ

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ͦ΋ͦ΋ͳΜͰ
 Amazon SQSΛ࢖͏ͷ͔ʁ

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Amazon SQSΛ࢖͏ཧ༝ • ϑϧϚωʔδυ • ؅ཧίετμ΢ϯ • ଞͷϓϩδΣΫτͰ࠾༻ࡁΈ • ͨͩ͠ • SQSಠࣗͷΫηΛߟྀ͢Δඞཁ͕͋Δ • ࠓճ͸͜ͷ෦෼͸࿩͞ͳ͍ͷͰڵຯ͋Δਓ͸
 ࠙਌ձͰ

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GoͷϓϩδΣΫτͰδϣϒΩϡʔΛ
 Amazon SQSΛ࢖࣮ͬͯݱͨ͠࿩

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GoͷϓϩδΣΫτ • ొ৔ਓ෺ • Job • ඇಉظʹ࣮ߦ͍ͨ͠ॲཧ • Queue • JobΛग़͠ೖΕ͢Δ౔؅ͷΠϝʔδ • JobQueue • JobΛQueue͔ΒऔΓग़࣮ͯ͠ߦ͢Δ

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GoͷϓϩδΣΫτ • ίʔυͩͱ͜Μͳײ͡

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GoͷϓϩδΣΫτ +PC2VFVF 2VFVF +PC

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GoͷϓϩδΣΫτ +PC2VFVF 2VFVF +PC

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GoͷϓϩδΣΫτ +PC2VFVF 2VFVF +PC

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GoͷϓϩδΣΫτ +PC2VFVF 2VFVF +PC 3VO

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ͨͱ͑͹Queue͕
 channelͷ৔߹

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Queue͕channelͷ৔߹ • channelΛ༻͍ͨQueueͷίʔυ

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Queue͕channelͷ৔߹ • ਤ +PC2VFVF 2VFVF +PC DIBOOFM

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Queue͕channelͷ৔߹ • ਤ +PC2VFVF 2VFVF +PC DIBOOFM

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Queue͕channelͷ৔߹ • ਤ +PC2VFVF 2VFVF +PC DIBOOFM

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Queue͕channelͷ৔߹ • ਤ +PC2VFVF 2VFVF DIBOOFM +PC 3VO

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ͨͱ͑͹Queue͕
 Amazon SQSͷ৔߹

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ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ • amazon sqsΛ༻͍ͨQueueͷίʔυ

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ 2VFVF +PC

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ +PC 2VFVF

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ 424.FTTBHFͷ#PEZʹ
 +PCͷ৘ใΛ+40/ʹͯ͠ૹΔ 2VFVF

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ 424.FTTBHFͷ#PEZͷ
 +40/Λ+PCʹ6ONBSTIBM 2VFVF

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ +PC 2VFVF

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• ਤ ͨͱ͑͹Queue͕Amazon SQSͷ৔߹ +PC 3VO 2VFVF

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͋Ε...

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ͪΐͬͱ଴ͯΑ…✋

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ຊ୊
 (΍ͬͱ)
 
 ~͋ͳͨͬͯͲΜͳํ(ܕ)ʁ~ ࢒Γ෼͙Β͍ཉ͍͠

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લஔ͖͕௕͍ͯ͘͢·ͤΜ

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ຊ୊
 (΍ͬͱ)
 
 ~͋ͳͨͬͯͲΜͳํ(ܕ)ʁ~ ࢒Γ෼͙Β͍ཉ͍͠ Amazon SQSͷϝοηʔδ͔ΒJobʹม׵͢Δ

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Amazon SQSͷϝοηʔδ͔ΒJobʹม׵͢Δ • Job͕1छྨͩͬͨΒ໰୊ͳ͍ • ͔࣮͠͠ࡍ͸ • ΫΤετΫϦΞϛογϣϯͷδϣϒ • QuestClearJob • ϑϨϯυʹϙΠϯτΛ෇༩͢Δδϣϒ • SendFriendPointJob • Unmarshalઌͷܕ͕ҟͳΔ

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SQS͔ΒऔΓग़ͨ͠ϝοηʔδΛ
 ద੾ʹUnmarshal͢Δඞཁ͕͋Δ

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औΓग़ͨ͠λΠϛϯάͰ
 ͋ͳͨ͸ͲΜͳํ(ܕ)͔஌͍ͬͯͯ
 structΛ࡞Δඞཁ͕͋Δ

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Ͳ͏΍ͬͯղܾ͔ͨ͠

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reflect

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reflect • reflect.New(reflect.Type) • reflect.Value͕ฦͬͯ͘Δ • reflect.Value.Interface() • Interface{}͕ฦͬͯ͘Δ • ͜ΕͰstructΛੜ੒(?)͢Δࣄ͕Ͱ͖Δ

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reflect

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reflect

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͜ΕΛઌఔͷSQS Queueʹ
 ൓ө͢Δͱ

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SQS Queueʹ൓ө͢Δ

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SQS Queueʹ൓ө͢Δ

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SQS Queueʹ൓ө͢Δ

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ิ଍ • ͳΜͰJobຖʹQueueΛ༻ҙ͠ͳ͔ͬͨͷʁ • طʹJobͷ਺͕10਺ݸ͋Γ
 ࠓޙ΋૿͑Δ༧ఆ • ৽نͰJobΛ࡞Δ౓ʹ։ൃ؀ڥ/ຊ൪ͱ QueueΛ࡞Δͷ͸ΦϖϨʔγϣϯ͕൥ࡶ

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ิ଍

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ิ଍ • Queueଆ͕ԿͷJob͕ग़ೖΓ͢Δ
 ͔͸஌Δඞཁ͕ͳ͘ɺ
 ґଘ͠ͳ͍ํ͕Α͍ͱ͍͏݁࿦ʹ

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·ͱΊ • GoͷϓϩδΣΫτͰδϣϒΩϡʔΛ
 Amazon SQSΛ࢖࣮ͬͯݱͨ͠࿩ • reflect.New/reflect.Value/r.V.Interface() 
 ͔ΒಈతʹܕΛੜ੒ͯ͠ղܾ

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Ҏ্
 ͋ͳͨͬͯͲΜͳํ?(ܕ)

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Q&A

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ࢀߟURL • https://aws.amazon.com/jp/sqs/ • http://awsdocs.s3.amazonaws.com/SQS/ latest/sqs-gsg.pdf • https://golang.org/pkg/reflect/ • ΈΜͳͷGoݴޠ