load_async in Rails7.0 - Speaker Deck

load_async in Rails7.0

by Koya Suzuki

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MPBE@BTZODJO3BJMT ,PZB4V[VLJ !XBUTPOTP   #POFO,BJHJ

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8IP*BN 4NBSU#BOL *OD 4PGUXBSF&OHJOFFS ,PZB4V[VLJ !XBUTPO@ !XBUTPOTP

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3BJMTͰಋೖ͞ΕͨMPBE@BTZODʹ͍ͭͯ ຊ೔ͷςʔϚ

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ಋೖ ࣋ͪؼ͍͖͍ͬͯͨͩͨ͜ͱ 💎 MPBE@BTZOD͕Ͱ͖Δ͜ͱʹ͍ͭͯ ✍ MPBE@BTZODΛར༻͢ΔࡍͷؾΛ෇͚Δ΂͖ϙΠϯτ 📝 3BJMTͷίʔυ΍13ΛݟΔͱֶͼ͕ଟ͍

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"HFOEB MPBE@BTZODͱ͸Կ͔ MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ MPBE@BTZOD͸ͲͷΑ͏ʹ࣮૷͞Ε͍ͯΔͷ͔ʁ ؾΛ෇͚Δ΂͖ϙΠϯτ

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MPBE@BTZODͱ͸Կ͔

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MPBE@BTZODͱ͸Կ͔ IUUQTHJUIVCDPNSBJMTSBJMTCMPCTUBCMFBDUJWFSFDPSE$)"/(&-0(NE

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MPBE@BTZODͱ͸Կ͔ w 🆕3BJMTͰ௥Ճ͞Εͨ"DUJWF3FDPSEͷػೳͷҰͭ w 📝όοΫάϥ΢ϯυͷεϨουϓʔϧ͔ΒΫΤϦΛ࣮ߦ͢Δ Α͏ʹεέδϡʔϧ͢Δ w ෳ਺ͷ૬ޓʹґଘ͠ͳ͍ΫΤϦΛฒྻʹ࣮ߦ͢Δ͜ͱ͕Ͱ͖ Δ

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MPBE@BTZODͱ͸Կ͔ w DPO fi HBDUJWF@SFDPSEBTZOD@RVFSZ@FYFDVUPSʹHMPCBM@UISFBE@QPPM΋͘͠ ͸NVMUJ@UISFBE@QPPMΛઃఆ͢Δ w HMPCBM@UISFBE@QPPMΞϓϦέʔγϣϯ͕઀ଓ͢Δ͢΂ͯͷσʔλϕʔεͰ୯ҰͷϓʔϧΛ࢖͏ w NVMUJ@UISFBE@QPPMσʔλϕʔε͝ͱʹͭͷϓʔϧΛ࢖͏ ઃఆํ๏ BTZOD@RVFSZ@FYFDVUPS

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MPBE@BTZODͱ͸Կ͔ w DPO fi HBDUJWF@SFDPSEBTZOD@RVFSZ@FYFDVUPSͷσϑΥϧτ͸OJM w OJMͷ৔߹͸ɺMPBE@BTZODΛݺΜͰ΋ϑΥΞάϥ΢ϯυͰݺ͹ΕΔ ઃఆํ๏ BTZOD@RVFSZ@FYFDVUPS

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MPBE@BTZODͱ͸Կ͔ w ಉ࣮࣌ߦ਺΋มߋͰ͖Δ w σϑΥϧτ͸ͭ w ϓʔϧ͕࠷େ਺ʹ౸ୡ͢ΔͱBTZOD@RVFSZ@FYFDVUPS͕OJMͷ࣌ͱಉ͡ڍಈʹͳΔ ઃఆํ๏ ಉ࣮࣌ߦ਺

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MPBE@BTZODͱ͸Կ͔ w "4:/$ͱ͍͏ϓϨϑΟοΫε͕ϩάʹग़ྗ͞ΕɺόοΫάϥϯ΢ υͰΫΤϦ͕ॲཧ͞ΕΔ ࣮ߦ

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ w େن໛ͳΞϓϦέʔγϣϯͰ͸ίϯτϩʔϥʔ͕ෳ਺ͷσʔλϕʔ εΫΤϦΛ࣮ߦ͢Δ͜ͱ͕͋Δ ͜Ε·ͰͳͥΫΤϦͷඇಉظ࣮ߦ͕ग़དྷͳ͔ͬͨͷ͔ʁ

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ w εϨου͔ΒΫΤϦΛ࣮ߦ͢Δ͜ͱͰඇಉظॲཧΛ࣮ݱͰ͖ͦ͏ʁ ࠓ·Ͱͷඇಉظ࣮ߦ

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ ࠓ·Ͱͷඇಉظ࣮ߦ ৽نͷεϨουΛ࡞੒

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ w 3BJMTຊମ͕εϨουϩʔΧϧͳঢ়ଶʹґଘ͍ͯ͠Δ͜ͱ͕͋Γɺ ผεϨου͔Βૢ࡞͢ΔͱεϨουͷίϯςΩετ͕ࣦΘΕͨΓε ϨουηʔϑͰͳ͍Մೳੑ͕͋ΔͨΊ ࠓ·Ͱͷඇಉظ࣮ߦ

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MPBE@BTZOD͕௥Ճ͞ΕΔ·Ͱ w ઌड़ͷΑ͏ͳ՝୊Λղܾͭͭ͠ɺར༻ऀଆ͸5ISFBETBGFUZΛ΄΅ؾ ʹͤͣʹඇಉظͰΫΤϦΛ࣮ߦͰ͖ΔΑ͏ʹͨ͠ͷ͕MPBE@BTZOD MPBE@BTZODͷ௥Ճ

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ ಺෦࣮૷ w DPOOFDUJPO@QPPMΛॳظԽ͢Δࡍ ʹɺBTZOD@RVFSZ@FYFDVUPSͷத ਎ΛݟͯৼΓ෼͚

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ ಺෦࣮૷ w NBYͷUISFBETͱRVFVFΛҾ਺ʹ ηοτͯ͠ $PODVSSFOU5ISFBE1PPM&YFDVU PSΛOFX͍ͯ͠Δ

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ ಺෦࣮૷

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ ಺෦࣮૷ w BTZOD@RVFSZ@FYFDVUPSͷ஋͕ઃ ఆ͞Ε͍ͯͳ͚Ε͹௨ৗ௨ΓMPBE ͢Δ w ઃఆ͞Ε͍ͯΕ͹ผεϨουͰ 42-ΫΤϦΛൃߦ͢Δ w "DUJWF3FDPSE'VUVSF3FTVMUͷΠ ϯελϯεΛฦ٫͢Δ

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MPBE@BTZOD͸Ͳ͏΍࣮ͬͯݱ͞Ε͍ͯΔʁ ಺෦࣮૷ w !BTZOD@FYFDVUPSQPTUͷϒϩοΫ Ҿ਺͕εϨουͱͯ͠ඇಉظ࣮ߦ ͞ΕΔ w DPODVSSFOUSVCZͰఏڙ͞ΕΔε Ϩουϓʔϧͷ࢓૊ΈΛར༻ͯ͠ ͍Δ w εϨουηʔϑʹͳ͍ͬͯΔ

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ؾΛ͚ͭΔ΂͖ϙΠϯτ

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPOOFDUJPO਺Λؾʹ࣮ͯ͠૷͢Δ w MPBE@BTZOD͚ͭͨΒඞͣ͠΋όοΫάϥ΢ϯυͰ࣮ߦ͞Ε ΔΘ͚Ͱ͸ͳ͍ w τϥϯβΫγϣϯͱ૊Έ߹Θͤͯ࢖͏৔߹

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPOOFDUJPO਺Λؾʹ࣮ͯ͠૷͢Δ w MPBE@BTZOD͚ͭͨΒඞͣ͠΋όοΫάϥ΢ϯυͰ࣮ߦ͞Ε ΔΘ͚Ͱ͸ͳ͍ w τϥϯβΫγϣϯͱ૊Έ߹Θͤͯ࢖͏৔߹

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPOOFDUJPO@QPPMΛεϨου਺Ҏ্ʹར༻͢Δ

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPOOFDUJPO਺Λؾʹ࣮ͯ͠૷͢Δ w MPBE@BTZOD͚ͭͨΒඞͣ͠΋όοΫάϥ΢ϯυͰ࣮ߦ͞Ε ΔΘ͚Ͱ͸ͳ͍ w τϥϯβΫγϣϯͱ૊Έ߹Θͤͯ࢖͏৔߹

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPO fi HͰBTZOD@RVFSZ@FYFDVUPSΛઃఆ͠ͳ͍ͱϑΥΞά ϥ΢ϯυͰ࣮ߦ͞Ε·͢

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w DPOOFDUJPO਺Λؾʹ࣮ͯ͠૷͢Δ w MPBE@BTZOD͚ͭͨΒඞͣ͠΋όοΫάϥ΢ϯυͰ࣮ߦ͞Ε ΔΘ͚Ͱ͸ͳ͍ w τϥϯβΫγϣϯͱ૊Έ߹Θͤͯ࢖͏৔߹

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ؾΛ͚ͭΔ΂͖ϙΠϯτ w τϥϯβΫγϣϯϒϩοΫͷதͰMPBE@BTZOD͢Δͱڍಈ͕ มΘΔՄೳੑ͕͋Δ

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·ͱΊ

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·ͱΊ ࿩ͨ͜͠ͱ 🏢 3BJMTͰ௥Ճ͞ΕͨMPBE@BZTODʹ͍ͭͯ 🤝 ஫ҙ͢΂͖ϙΠϯτ͸͋Δ্͕ख͘࢖͑͹ॲཧΛվળͰ͖Δ͔΋ ✂ 3BJMTͷίʔυ΍13Λ௥͍ͬͯ͘ͷ͸ָ͍͠

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"QQFOEJY

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ࢀߟ w DBTQFSJT fi OFBTZODSC w IUUQTHJTUHJUIVCDPNDBTQFSJT fi OFDDEEDDFCDDEEED w *NQMFNFOU3FMBUJPOMPBE@BTZODUPTDIFEVMFUIFRVFSZPOUIFCBDLHSPVOEUISFBEQPPM w IUUQTHJUIVCDPNSBJMTSBJMTQVMM w 1BSBMMFMJ[JOH2VFSJFTXJUI3BJMTTAMPBE@BTZODA w IUUQTCMPHTLZMJHIUJPSBJMTMPBE@BTZOD w 5IF*OEFQUI(VJEFUP"DUJWF3FDPSEMPBE@BTZODJO3BJMT w IUUQTQBXFMVSCBOFLDPNSBJMTMPBEBTZOD w 3BJMTͷMPBE@BTZOD w IUUQTMFETVOIBUFOBCMPHDPNFOUSZGDFEGC w िץ3BJMT΢Υονʢʣ"DUJWF3FDPSE3FMBUJPOͷ৽ϝιουMPBE@BTZODͱFYDMVEJOHɺ"DUJWF+PCͷQFSGPSN@MBUFSͷվળ΄͔ w IUUQTUFDISBDIPCQTJODKQIBDIJ@@ w 3VCZͷฒྻฒߦॲཧͷ͜Ε·Ͱͱ͜Ε͔Β w IUUQTUFDIMJGFDPPLQBEDPNFOUSZ