Realtime Databaseに向いてる・向いてないサービス
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yamacraft
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RTDBʹ͍ͯΔɾ͍ ͯͳ͍αʔϏε @yamacraft
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profile • @yamacraft (Wataru Yamada) • Mobile Application Engineer • LeadingMark, inc • team Y.G.E.(private) • Ұ෦دߘ → → →
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ποίϛɾࢦఠ༏͠ΊͰ ͓ئ͍͠·͢
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IUUQTZPSPPOFZBNBHMPKQ
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YoroOneͱʁ • ອըՈͷએπΠʔτΛ·ͱΊͨWebαʔϏ εͰ͢
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YoroOneͷߏਤ
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RTDBʹ͍ͯΔαʔϏεʁ ʢݸਓͷݟղͰ͢ʣ
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• ํࢀর͠߹͏σʔλ͕গͳ͍ • อଘ͢Δσʔλʢϊʔυʣͷߏ͕γϯϓϧ • ≒ϊʔυ͝ͱͷॻ͖ࠐΈʗಡΈࠐΈͷ੍ݶ͕γϯϓϧ • ݕࡧΒϑΟϧλͱ͍ͬͨػೳΛΘͳ͍ • ͜Εͷઆ໌ল͖·͢ • Elasticsearchͱ͔Λ͓͏Ͷɺ͍ͬͯ͏
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ํࢀর͕গͳ͍ߏ
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อଘ͢Δσʔλͷྫ
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ํࢀরϚγϚγͷ߹
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อଘ͢Δσʔλͷྫ
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ϦϯΫ͕૿͑Δ͜ͱͷฐ • σʔλͷཧ͕ෳࡶԽ͢Δ • ͱ͍͑ɺআͷࡍʹϦϯΫઌΛಛఆʴআͷΊΜͲ͘͞͞୯ํͦΜ ͳʹ… • ࣮ࡍʹެࣜʮͲͬͪʹϦϯΫ͚ͭΑ͏ɻҰํ͚ͩফͯ͠ɺϦϯΫͷnull νΣοΫ͢ΕΠΠϯμϤɻʯͱਐΊ͍ͯΔ • ͰͦΕԼͷ௨৴ྔʢσʔλྔʣͷΈ͕ग़ͯ͘ΔΑ͏ͳؾ͕… • ୯७ͳϊʔυ͝ͱͷσʔλྔͷ૿Ճ • ಡΈࠐΈͷࡍɺࢦఆϊʔυҎԼͷશσʔλΛऔಘ͢Δ͜ͱΛΕ͍͚ͯͳ͍
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ͱ͍ͬͯ… • ࠷ॳʹσʔλͷߏ͕ΩνϯͱͰ͖͍ͯΕཧͷ қͦΜͳʹߴ͘ͳ͍ͣ • ຊʹେมʹͳΔͷʮ͋ͱ͔Βํ͢ΔσʔλΛ Ճ͢Δʯ߹ • ʢঢ়گ࣍ୈ͚ͩͲʣશσʔλΛચ͍ग़͢ඞཁ͕͋Δ ͨΊ • ࢀর͋͠͏σʔλͷચ͍ग़͠ࣄલʹΑ͘ߟ͑Α͏
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ϊʔυͷߏͷΈͲ͜Ζ • ϊʔυΛࡉԽ͢Εࡉ͔͘ΞΫηε੍ݶ͕͔͚ΒΕΔ • ͜ͷใϑΥϩϫʔͷΈಡΈࠐΈԽɺຊਓͷΈॻ͖ࠐΈԽɺͱ ͔ • ϊʔυ͕૿͑ΔͱϧʔϧϑΝΠϧʢjsonʣ͕ංେԽ͢Δ • ཧ͕͠ΜͲ͍… • ͳΔ͘Ұͭϊʔυʹ·ͱΊΔͱ༨ܭͳ௨৴ྔ͕૿͑Δ… • ࢠϊʔυͷσʔλશͯಡΈࠐΈʗॻ͖ࠐΈରͱͳΔͨΊ
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ϊʔυ͝ͱʹr/wͷઃఆඞཁ
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ͦͷଞͷΈͲ͜Ζ • ̍ϓϩδΣΫτͰDB͍ͭ͘࡞Εͳ͍ • ඞવతʹϊʔυ͕૿͑Δɺ૿͑ΔͱߏͷΈ͕ग़ͯ͘Δ • ෳͷϓϩδΣΫτͷRTDBΛ·͕ͨͬͯಉ࣌ར༻͢Δ͜ͱ΄ ΅ෆՄೳ • Ϣʔβʔ͕ར༻͢ΔσʔλཧऀͷΈ͕ར༻͢Δσʔλಉ ͡RTDBʹอଘ͢Δͷ৺ཧతোน͕͋Δʢؾ͕͢Δʣ • Cloud FunctionsͳΒؤுΕͰ͖Δ͔ʢະݕূʣ
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·ͱΊ • ػೳϞϦϞϦͳαʔϏεΛRTDBͰશ෦·͔ͳ͏ͷ…Ίͱ ͜͏ʂ • ίϯςϯπ͕গͳ͍αʔϏεʹ͍ͯ·͢ • ػೳ࣍ୈͰRDBʢϦϨʔγϣφϧσʔλϕʔεʣฒߦͰӡ ༻͠Α͏ • RTDBͱRDBؒͰͷಉظॲཧͷϊϋ…ʁ • ΈΜͳϊϋͲΜͲΜग़ͯ͜͠ʂ
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͓͠·͍