イベント駆動コンテンツ (a.k.a Webアプリケーションの効率を再定義するBEAR.Sundayの分散キャッシングフレームワーク)

by Akihito Koriyama

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8FCΞϓϦέʔγϣϯͷޮ཰Λ࠶ఆٛ͢Δ #&"34VOEBZͷ෼ࢄΩϟογϯάϑϨʔϜϫʔΫ Πϕϯτۦಈίϯςϯπ @koriym υϦϒϯ

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w ಉҰੑ֬ೝτʔΫϯ w ಺༰Λද͢

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ίϯϐϡʔλɾαΠΤϯεͰ೉͍͜͠ͱ͸2͔ͭ͠ͳ͍ɻ ΩϟογϡͷແޮԽͱ໊લ෇͚ͩɻ – Phil Karlton

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ݹ஑΍֝ඈͼࠐΉਫͷԻ ߥւ΍ࠤ౉ʹΑͨ͜;ఱͷ઒ มΘΒͳ͍ มΘΔ

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Ωϟογϡͱ͸ʁ IUUQTDPNNPOTXJLJNFEJBPSHXJLJ'JMF$BDIFQOHNFEJB&&"&"&"#$BDIFQOH

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ಡΈࠐΈ࣌ͷؔ৺ ݁Ռͷ࠶ར༻ 3&46-5

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໨త w 69ͷ޲্ w Ϩεϙϯε࣌ؒͷ୹ॖ w ίετ࡟ݮ w αʔόʔͷෛՙܰݮ w ωοτϫʔΫଳҬͷઅ໿

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ࢿݯઅ໿ w ܭࢉࢿݯ w ωοτϫʔΫࢿݯ

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ͳͥ೉͍͔͠ w ແޮԽઓུ w ઱౓ͷ֬อ w ґଘؔ܎ w ಈతίϯςϯπ w εέʔϧͷ໰୊ w ੔߹ੑͷ֬อ w ؅ཧίετ

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TTL ࠷΋ਓؾͷ͋Δઓུ

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TTL 1SPTɿ୯७ͳ͜ͱ $POTɿ୯७ͳ͜ͱ m simplicity well cache

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Computation Contents ಈత ੩త ର৅ʹΑͬͯઓུΛมߋ

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Dynamic Static ຊ࣭తʹ੩త ର৅ʹΑͬͯઓུΛมߋ ׬શʹಈత ༗ޮظݶ ׬શʹ੩త

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w ਅʹಈతʁ w ຊ౰ͷ༗ޮظݶ͕͋Δʁ w ߋ৽λΠϛϯά͕෼͔Δʁ ର৅Λ෼ੳ

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ΠϕϯτۦಈͷΩϟογϡແޮԽ (&5 1045

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ґଘͷ໰୊

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λάΛ͚ͭΔ $ # $ # " $

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λάͰফڈ $ $ # " $ #

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υʔφοπΩϟογϡ Ωϟογϡ͢Δ Ωϟογϡ͠ͳ͍ %POU$BDIF

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ϗʔϧΩϟογϡ Ωϟογϡ͠ͳ͍ %POU$BDIF Ωϟογϡ͢Δ

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࠶ى Ωϟογϡ͠ͳ͍ %POU$BDIF Ωϟογϡ͢Δ

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෼ࢄΩϟογϡ ϒϥ΢β $%/ αʔόʔ

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ωοτϫʔΫΩϟογϡ w ظݶ෇͖ͷϨεϙϯε w ৚݅෇͖ϦΫΤετ

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GET /cat HTTP/1.1 200 OK Cache-Control: max-age=600 RFC7234 Client

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৚݅෇͖ϦΫΤετ

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GET /cat HTTP/1.1 200 OK ETag: 3 3 GET /cat If-None-Match: 3 HTTP/1.1 304 Not-Modified 3

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GET /cat If-None-Match: cat-3 &5BH 3FQP 0SJHJO 304 200 ETag: cat-4 4 ΠϕϯτۦಈͰ&5BHߋ৽

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μΠφϛοΫίϯςϯπͷৗࣝ൱ఆ

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ωοτϫʔΫࢿݯ ґଘղܾ ෦෼ղܾ ੔߹ੑ Πϕϯτۦಈ

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ͪΐͬͱແཧͰ͢ Զ΋΍Ίͱ͘

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Ϩεϙϯε͸ΩϟογϡͰ͖㽂

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ফڈ ৚݅෇͖ ৚݅ແ͠ ظݶ෇͖ ߋ৽

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DI AOP REST Connecting Dependencies Connecting Concerns Connecting Resources ̏ͭͷΦϒδΣΫτϑϨʔϜϫʔΫ੍໿

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Dependency Injection w (PPHMF(VJDFͷ1)1൛ w ΦϒδΣΫτάϥϑϏϧμʔ A B depends D F C G E

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Domain Logic Application Logic ຊ࣭తؔ৺ ԣஅతؔ৺ Aspect Orientated Programming

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ϝιου࣮ߦ ϝιου৘ใऔಘʢ໊લɺҾ਺ʣ ద༻ ຊ࣭తؔ৺ ԣஅతؔ৺

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json REST

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hal+json REST -

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ίϯςϯπ ϝλ৘ใ ঢ়ଶίʔυ ঢ় ଶ Λ ද ݱ ʹ Ϧιʔεঢ়ଶΛηοτ ද ݱ Λ ग़ ྗ Π ϯ δ Σ Ϋ γ ϣ ϯ Ξ ε ϖ Ϋ τ ં Γ ࠐ Έ 3&45ϦΫΤετ 3FTPVSDF0CKFDU αʔϏεͱͯ͠ͷΦϒδΣΫτ 3FQSFTFOUBUJPOBM4UBUF5SBOTGFS ঢ়ଶදݱͷసૹ 3FTQPOEFS Compile, Request and Response

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ΠϕϯτυϦϒϯίϯςϯπ ࡞੒ˍߋ৽ ΩϟογϡΩʔͰ<ίϯςϯπ &5BH $%/>Λλάফڈ <ίϯςϯπ &5BH>Λλά෇͚ͯ͠ੜ੒ /blog-posting?id=1 /comment?id=1 ґଘ

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υʔφοπΩϟογϡ࣮ྫ ςϯϓϨʔτΛυʔφπʹ Ωϟογϡ υʔφοπΩϟογϡ ߹੒͸1)1͔$%/Ͱ &4*

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Origin

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w %* w "01 w 3&45ωΠςΟϒΫϥε w ηϚϯςΟοΫϝιου w એݴతͳҾ਺ w એݴతπϦʔߏ଄ w ࣗݾϨϯμϦϯά w 63* w 'BTUMZ*OTUBOU1VSHF"1* w 'BTUMZαϩήʔτΩʔ w 4ZNGPOZλάΩϟογϡ ݪଇΛੵΈ্͛ ٕज़Λڠௐ

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Ն૲΍ฌͲ΋͕ເͷ੻ ߥւ΍ࠤ౉ʹΑͨ͜;ఱͷ઒ Static Dynamic

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ෆқྲྀߦ ෆқΛ஌Β͟Ε͹جཱ͕ͪͨ͘ɺྲྀߦ஌Β͟Ε͹෩৽ͨʹͳΒͣɻ ࣌୅Λ͑ͯ͜มΘΒͳ͍Ձ஋͋Δ΋ͷ ࣌୅ͱͱ΋ʹมΘ͍ͬͯ͘΋ͷ ੍໿ͷϑϨʔϜϫʔΫ

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3&45$BDIF੍໿ ࣌୅Λ͑ͯ͜มΘΒͳ͍Ձ஋͋Δ΋ͷ ੍໿ͷϑϨʔϜϫʔΫ

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ෆқΛੵΈ্͛Δ

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"SJHBUP @koriym @BEARSunday