Realtime Databaseに向いてる・向いてないサービス

by yamacraft

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RTDBʹ޲͍ͯΔɾ޲͍ ͯ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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YoroOneͱ͸ʁ • ອըՈͷએ఻πΠʔτΛ·ͱΊͨWebαʔϏ εͰ͢

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YoroOneͷߏ੒ਤ

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RTDBʹ޲͍ͯΔαʔϏεʁ ʢݸਓͷݟղͰ͢ʣ

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• ૒ํ޲ࢀর͠߹͏σʔλ͕গͳ͍ • อଘ͢Δσʔλʢϊʔυʣͷߏ੒͕γϯϓϧ • ≒ϊʔυ͝ͱͷॻ͖ࠐΈʗಡΈࠐΈͷ੍ݶ͕γϯϓϧ • ݕࡧ΍ΒϑΟϧλͱ͍ͬͨػೳΛ࢖Θͳ͍ • ͜Εͷઆ໌͸ল͖·͢ • Elasticsearchͱ͔Λ࢖͓͏Ͷɺ͍ͬͯ͏࿩

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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֐ • σʔλͷ؅ཧ͕ෳࡶԽ͢Δ • ͱ͸͍͑ɺ࡟আͷࡍʹϦϯΫઌΛಛఆʴ࡟আͷΊΜͲ͘͞͞͸୯ํ޲΋ͦΜ ͳʹ… • ࣮ࡍʹެࣜ΋ʮͲͬͪʹ΋ϦϯΫ͚ͭΑ͏ɻҰํ͚ͩফͯ͠ɺϦϯΫͷnull νΣοΫ͢Ε͹ΠΠϯμϤɻʯͱਐΊ͍ͯΔ • Ͱ΋ͦΕ͸Լͷ௨৴ྔʢσʔλྔʣͷ೰Έ͕ग़ͯ͘ΔΑ͏ͳؾ͕… • ୯७ͳϊʔυ͝ͱͷσʔλྔͷ૿Ճ • ಡΈࠐΈͷࡍɺࢦఆϊʔυҎԼͷશσʔλΛऔಘ͢Δ͜ͱΛ๨Εͯ͸͍͚ͳ͍

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ͱ͍ͬͯ΋… • ࠷ॳʹσʔλͷߏ଄͕ΩνϯͱͰ͖͍ͯΕ͹؅ཧͷ೉ қ౓͸ͦΜͳʹߴ͘ͳ͍͸ͣ • ຊ౰ʹେมʹͳΔͷ͸ʮ͋ͱ͔Β૒ํ޲͢ΔσʔλΛ ௥Ճ͢Δʯ৔߹ • ʢঢ়گ࣍ୈ͚ͩͲʣશσʔλΛચ͍ग़͢ඞཁ͕͋Δ ͨΊ • ࢀর͋͠͏σʔλͷચ͍ग़͠͸ࣄલʹΑ͘ߟ͑Α͏

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ϊʔυͷߏ੒ͷ೰ΈͲ͜Ζ • ϊʔυΛࡉ෼Խ͢Ε͹ࡉ͔͘ΞΫηε੍ݶ͕͔͚ΒΕΔ • ͜ͷ৘ใ͸ϑΥϩϫʔͷΈಡΈࠐΈԽɺຊਓͷΈॻ͖ࠐΈԽɺͱ ͔ • ϊʔυ͕૿͑ΔͱϧʔϧϑΝΠϧʢjsonʣ͕ංେԽ͢Δ • ؅ཧ͕͠ΜͲ͍… • ͳΔ΂͘Ұͭϊʔυʹ·ͱΊΔͱ༨ܭͳ௨৴ྔ͕૿͑Δ… • ࢠϊʔυͷσʔλ΋શͯಡΈࠐΈʗॻ͖ࠐΈର৅ͱͳΔͨΊ

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ϊʔυ͝ͱʹr/wͷઃఆ͸ඞཁ

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ͦͷଞͷ೰ΈͲ͜Ζ • ̍ϓϩδΣΫτ಺ͰDB͸͍ͭ͘΋࡞Εͳ͍ • ඞવతʹϊʔυ͕૿͑Δɺ૿͑Δͱߏ଄ͷ೰Έ͕ग़ͯ͘Δ • ෳ਺ͷϓϩδΣΫτͷRTDBΛ·͕ͨͬͯಉ࣌ར༻͢Δ͜ͱ͸΄ ΅ෆՄೳ • Ϣʔβʔ͕ར༻͢Δσʔλ΋؅ཧऀͷΈ͕ར༻͢Δσʔλ΋ಉ ͡RTDB಺ʹอଘ͢Δͷ͸৺ཧతোน͕͋Δʢؾ͕͢Δʣ • Cloud FunctionsͳΒؤுΕ͹Ͱ͖Δ͔΋ʢະݕূʣ

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·ͱΊ • ػೳϞϦϞϦͳαʔϏεΛRTDBͰશ෦·͔ͳ͏ͷ͸…΍Ίͱ ͜͏ʂ • ίϯςϯπ͕গͳ͍αʔϏεʹ͸޲͍ͯ·͢ • ػೳ࣍ୈͰ͸RDBʢϦϨʔγϣφϧσʔλϕʔεʣ΋ฒߦͰӡ ༻͠Α͏ • RTDBͱRDBؒͰͷಉظॲཧͷϊ΢ϋ΢…ʁ • ΈΜͳϊ΢ϋ΢ͲΜͲΜग़ͯ͜͠ʂ

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͓͠·͍