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「マイクロサービスはもう十分」か? / Enough with the microservices?
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Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
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qsona
January 18, 2018
Technology
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「マイクロサービスはもう十分」か? / Enough with the microservices?
Microservices Meetup vol.6 Sponsor LT
qsona
January 18, 2018
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Transcript
4QPOTPS-5 ʮϚΠΫϩαʔϏε͏ेʯ͔ʁ ٱଠ !RTPOB גࣜձࣾ'J/$ .JDSPTFSWJDFT.FFUVQWPM
લͷهࣄ ˞ݱࡏͳ͔ͥআࡁΈɾɾɾ
ݩͷهࣄ r&OPVHIXJUIUIFNJDSPTFSWJDFTc"EBN%SBLF IUUQTBBESBLFDPNQPTUTFOPVHIXJUIUIFNJDSPTFSWJDFTIUNM
هࣄͷओு ελʔτΞοϓاۀͷ΄ͱΜͲɺ ϚΠΫϩαʔϏεΛ࠾༻͖͢Ͱͳ͍ɻ
هࣄͷओு w ओு w ελʔτΞοϓاۀͷ΄ͱΜͲͰɺϚΠΫϩαʔϏεΛ࠾༻͖͢Ͱͳ͍ɻ w ཧ༝ w ϚΠΫϩαʔϏεΛ࠾༻͢Δཧ༝ͱͯ͠ڍ͛ΒΕΔ՝ʹରͯ͠ɺ͍͍ͨͯɺ ઌʹߟ͑Δ͖ଞͷղܾํ๏͕͋Δɻ
w ϚΠΫϩαʔϏεΛ࠾༻͢Δʹɺٕज़తʹલఏͱͳΔ͕݅ଘࡏ͢Δɻ ͦΕΛελʔτΞοϓͷϑΣʔζͰಘΔ͜ͱ͍͠ɻ w ϚΠΫϩαʔϏεɺຊ࣭తʹෳࡶ͞ΛੜΉͷͰɺελʔτΞοϓͷϑΣʔζͰରॲ͢Δͷ͍͠ɻ
ײ w ͦͷ௨Γͩͱࢥ͍·͢ɻ w ϚΠΫϩαʔϏεϞδϡʔϧͷڥք͕ෆ໌ྎͳ͏ͪʹΔͱࣦഊ͠ ͍͢ɻ w ςετɺϩΪϯάɺࢹͳͲΛ͖ͪΜͱߦ͏ͷ͕ɺϞϊϦγοΫʹൺ ͯେมɻ w
ࢄγεςϜຊ࣭తʹෳࡶɻ
ۜͷؙͳ͍ ࢳౙ
None
ʜ͏গ͠ৄ͘͠ɻ w هࣄͷओுͷ͏ͪɺ࠷Ҿ༻͕ଟ͔ͬͨ෦ʹ͍ͭͯɺ ਫ਼ࠪͯ͠ΈΔɻ w ʮνʔϜؒͷґଘੑʯͱ͍͏՝ʹରͯ͠ͷղܾࡦͱͯ͠ɺ ͍͖ͳΓϚΠΫϩαʔϏεΛಋೖ͢Δͷ͏·͍͔͘ͳ͍ ͱ͍͏
r&OPVHIXJUIUIFNJDSPTFSWJDFTc"EBN%SBLF l%PO`UDPOGVTFEFDPVQMJOHXJUI EJTUSJCVUJPOz
هࣄͷओு w ৫͕େ͖͘ͳͬͯ͘Δͱɺ ෳͷνʔϜ͕ҰͭͷίʔυϕʔεͰ࡞ۀ͢ΔΑ͏ʹͳΔɻ w νʔϜؒͷґଘ ίϛϡχέʔγϣϯίετ ΛԼ͛ΔͨΊɺ ϚΠΫϩαʔϏεʹ͠Α͏ͱ͢Δྫ͕͋Δɻ w
͔͠͠ɺϚΠΫϩαʔϏεʹͨ͠ͱͯ͠ίϛϡχέʔγϣϯͷ͕ ղܾ͢ΔΘ͚Ͱͳ͍ɻ w ࣮ࡍʹɺϞϊϦεͷϞδϡʔϧׂͰेରॲͰ͖Δɻ
ஸೡʹߟͯ͠ΈΔ w ʮνʔϜʯͱԿͳͷ͔ʁ w ͳͥνʔϜ͕େ͖͘ͳΔͱνʔϜΛׂ͢Δͷ͔ʁ w ʮνʔϜؒͷґଘʯͱԿͳͷ͔ʁ ʮνʔϜؒͷґଘʯ͕ߴ͍ͱԿ͕ͳͷ͔ʁ
ʮνʔϜʯͱԿͳͷ͔ʁ w ͋ΔతͷͨΊʹڠྗͯ͠ߦಈ͢Δάϧʔϓ ࣙԓ w ͦͷతʹ͔ͬͯɺνʔϜࣗओతɾࣗతʹಈ͚Δ͖ w ଟ͘ͷίϛϡχέʔγϣϯܾఆɺνʔϜͰ݁͢Δ͖
νʔϜ͕େ͖͘ͳΔͱ w ίϛϡχέʔγϣϯͷύε͕ଟ͘ͳΔ w νʔϜͷతͱϝϯόʔͷׂ͕ԕ͘ͳΓɺࣗੑ͕Լ͕Δ
νʔϜΛׂ͢Δ w େ͖ͳతΛɺΑΓࡉ͔͍తʹղ͢Δ w ࡉ͔͍తʹ߹Θͤͯɺখ͞ͳνʔϜʹղ͢Δ w ͔͠͠ɺେ͖͍νʔϜͷΛղফͰ͖Δ͔ɺ ͜ͷղͷํ๏ʹΑΔ w ѱ͍ղͷྫతಉ͕࢜ίϯϑϦΫτ͢Δ
ѱׂ͍ͷྫ%FW0QT w ։ൃͱӡ༻ɺత͕ίϯϑϦΫτ͢Δ w ຊདྷɺ։ൃͱӡ༻Λ߹ΘͤͯϏδωε্ͷతΛୡ͢ΔͷͰ͋Δ
ʮνʔϜͷґଘʯͱʁ w ֤νʔϜ͕શʹಠཱͯ͠ҙࢥܾఆͨ͠ΓߦಈͰ͖Δঢ়ଶɺ νʔϜͷґଘ͕θϩ w ࣮ࡍʹɺҰఆҎ্ͷίϛϡχέʔγϣϯ͕ඞཁ w ڠྗɺརؔͷௐͳͲ w ґଘ͕গͳ͍΄ͲɺνʔϜ͕ࣗతʹಈ͚Δ
໋ܕ৫ػೳܕ৫ w ৫ɺͭͷయܕతͳܗଶʹ͚ΒΕΔɻશͳ ໋த৺ͷܗଶͱػೳผฤܗଶͰ͋Δɻ w ձࣾͷେ෦Λ໋த৺ܗଶʹ৫Խ͢Δॴ ུ ɺݸʑͷूஂ୯Ґ͕ɺઈ͑ͣࣗͷࣄۀ͋Δ ͍ʹର͢Δχʔζͱ৮Λอͪɺ͜͏͠ ͨχʔζͷมԽʹରͯ͠ਝʹରԠͰ͖Δͱ͍͏
ᶸ͚ͩᶹͰ͋Δɻ w ͔͠͠ɺͲΜͳࣄۀͰɺͦͷຊڥ͔Βͷ धཁͱχʔζʹԠ͑Δ͜ͱͰ͋Γɺ͜ͷଈԠͰ͖Δ ͔൱͔͕͖ΘΊͯॏཁͳΧΪͰ͋Δɻ rΞϯυϦϡʔɾ4ɾάϩʔϒ )*()065165."/"(&.&/5 ষϋΠϒϦου৫
໋ܕ৫ػೳܕ৫ w ໋த৺ͷ৫ w ໋Ϗδωε w ˞ٕज़ͦͷͷ͕Ϗδωεͷ৫͋Δ w ਨׂ w
FH'J/$ΞϓϦνʔϜ w ػೳத৺ͷ৫ w ػೳٕज़ w ਫฏׂ w FHαʔόʔαΠυνʔϜ
ϚΠΫϩαʔϏε໋ܕ ϚΠΫϩαʔϏεओʹϏδωευϝΠϯʹ ج͍ͮͯϞσϧԽ͢Δ͜ͱͰɺैདྷͷ֊ܕ ΞʔΩςΫνϟͷΛආ͚͍ͯ·͢ɻ rϚΠΫϩαʔϏεΞʔΩςΫνϟ ͡Ίʹ 4BN/FXNBOஶɺࠤ౻ੜ༁ɺԼ༁
ϚΠΫϩαʔϏεࣗత ϚΠΫϩαʔϏεɺڠௐͯ͠ಈ࡞͢Δখن ͰࣗతͳαʔϏεͰ͢ɻ rϚΠΫϩαʔϏεΞʔΩςΫνϟ ষ 4BN/FXNBOஶɺࠤ౻ੜ༁ɺԼ༁
ϚΠΫϩαʔϏεͱ৫ w ৫ߏͱϚΠΫϩαʔϏεɺશʹΞφϩδʔͷؔʹ͋Δ w ৫ͷಠཱੑσϓϩΠͷಠཱੑ w ৫ಉ࢜ͷ࿈ܞ"1*࿈ܞΠϕϯτ࿈ܞ w ৫ಉ͕࢜ີ݁߹ͳΒɺ ͦΕʹԊͬͯϚΠΫϩαʔϏεԽͯ͠Γີ݁߹ʹͳΔ
هࣄͷओு ࠶ܝ w ৫͕େ͖͘ͳΔͱɺෳͷνʔϜ͕ҰͭͷίʔυϕʔεͰ࡞ۀ͢ΔΑ͏ʹͳΔɻ w νʔϜؒͷґଘ ίϛϡχέʔγϣϯίετ ΛԼ͛ΔͨΊɺϚΠΫϩαʔϏεʹ ͠Α͏ͱ͢Δྫ͕͋Δɻ w
͔࣮͠͠ࡍʹɺϞϊϦεͷϞδϡʔϧׂͰेରॲͰ͖Δɻ w ·ͨɺϚΠΫϩαʔϏεʹͨ͠ͱͯ͠ίϛϡχέʔγϣϯͷ͕ղܾ͢ΔΘ͚ Ͱͳ͍ɻ
ελʔτΞοϓͱ৫ w ଟ͘ͷελʔτΞοϓͰɺ৫Λ͖Ε͍ʹׂ͢Δ͜ͱ͕͍͠ w తͷղ ઓུ ͕ेͰͳ͍ w ͜Ζ͜ΖมΘΔ w
͔ͩΒϚΠΫϩαʔϏεʹׂ͢Δͷ͍͠ w Ͱɺ࠷ॳϞϊϦεͷ··ϞδϡʔϧԽ͚͖ͩ͢ͳͷ͔ʁ
ͭͷ Ҿ༻ʹΑΔ ٕज़తʹɺదʹղ͞Εͨಠཱͨ͠Ϟδϡʔ ϧΛͭͷϞϊϦγοΫϓϩηεʹ࡞͢ Δ͜ͱՄೳͳͣͰ͢ɻ͔͠͠ɺ·ͩ΄ͱΜ Ͳొ͍ͯ͠·ͤΜɻϞδϡʔϧ͙͢ʹΓ ͷίʔυͱີ݁߹ʹͳΓɺओͳརͷͭΛ ์غ͢Δ͜ͱʹͳΓ·͢ɻϓϩηεڥքͰ ͢Δͱɺ͜ͷͰਖ਼͍͠ঢ়ଶ͕ڧ੍͞Ε·͢ গͳ͘ͱؒҧͬͨ͜ͱΛ͠ʹ͘͘ͳΓ·͢
ɻ ͪΖΜɺओʹ͜ͷ͜ͱʹΑͬͯɺϓϩηε Λਪਐ͖ͩ͢ͱݴ͍·ͤΜ͕ɺ࣮ੈքͰ ϓϩηεڥքͰͷϞδϡʔϧͷଋ͕ कΒΕͨ͜ͱ΄ͱΜͲ͋Γ·ͤΜɻ rϚΠΫϩαʔϏεΞʔΩςΫνϟ ষ 4BN/FXNBOஶɺࠤ౻ੜ༁ɺԼ༁
ελʔτΞοϓͱ৫ w ڊେͳϞϊϦεʹͳͬͯ͠·͏ͱɺΓׂ͢Δ͜ͱ͕͍͠ w ϚΠΫϩαʔϏεʹ͚ͳͯ͘ɺීஈ͔ΒυϝΠϯΛҙࣝ͢Δ w ໌Β͔ʹ໌֬ͳυϝΠϯ͕Ͱ͖ͨλΠϛϯάͰɺੵۃతʹϚΠΫϩαʔϏ εʹׂ͍ͯ͘͠ w όϥϯεײ͕֮ॏཁ
૯ w ελʔτΞοϓاۀͷ΄ͱΜͲͰɺϚΠΫϩαʔϏεΛ࠾༻͖͢Ͱ ͳ͍ɻɺͨͿΜਖ਼͍͠ɻ w ͔͠͠ɺελʔτΞοϓʹঢ়گϑΣʔζ͕͋Δɻ w ͙͢ʹϚΠΫϩαʔϏεʹ͔Θͳͯ͘ɺʮϚΠΫϩαʔϏεਫ਼ਆʯΛ ࣋ͭ͜ͱେࣄͳͷͰͳ͍͔ɻ