LINEポイントクラブにおける PerlからKotlinへの移行を振り返る / The migration from Perl to Kotlin at LINE Point Club

by LINE Developers

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-*/&ϙΠϯτΫϥϒʹ͓͚Δ 1FSM͔Β,PUMJO΁ͷҠߦΛৼΓฦΔ 0"%FWνʔϜେݪ߁ฏ

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ొஃऀ঺հ l ։ൃηϯλʔ 0GGJDJBM"DDPVOU։ൃࣨ l αʔόαΠυ։ൃऀ l ͜Ε·Ͱͷ࢓ࣄ l ೥݄ d೥݄ɿ-*/&ϙΠϯτΫϥϒ։ൃ l ೥݄ dɿ-*/&ެࣜΞΧ΢ϯτ։ൃ l ,PUMJOྺ l ೥݄͔Β l ͦͷલ͸ 1FSMϝΠϯ +BWBͪΐͬͱ େݪ ߁ฏ

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ʮ-*/&ϙΠϯτΫϥϒʯͱ͸ʁ ͳͥ ,PUMJOʹॻ͖׵͑ͨͷ͔ʁ 1FSM͔Β ,PUMJO΁Ҡߦ͢ΔϓϩδΣΫτͷશ๴ 1FSM͔Β ,PUMJO΁Ҡߦ͢ΔϓϩδΣΫτͰى͖ͨ໰୊ɾվળ ϓϩδΣΫτΛৼΓฦͬͯΈͯ 01 02 03 04 05 ࠓ೔͓࿩͢͠Δ಺༰

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-*/&ϙΠϯτΫϥϒͱ͸ʁ

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ஷΊΔλϒ ϙΠϯτΛஷΊΔ͜ͱ͕Ͱ͖Δ ೥͔ΒαʔϏε։࢝ͨ͠ 1FSMͰॻ͔Ε͍ͯͨ ೥͔Β೥ʹ͔͚ͯ ,PUMJOʹॻ͖׵͑ͨ ʢࠓճͷൃදʣ

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࢖͏λϒ ϙΠϯτΛ༷ʑͳ΋ͷʹަ׵͢Δ͜ͱ͕Ͱ͖Δ ೥ʹαʔϏε։࢝ͨ͠ ,PUMJOͰॻ͔Ε͍ͯΔ

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l QNϑΝΠϧͷ਺ l ௒͑ʢςετ͸আ͘ʣ l QNϑΝΠϧɿ$POUSPMMFS .PEFM ػೳͷϏδωεϩδοΫͷཻ౓ l ίϛοτ਺ l ໿ ίϛοτ ։ൃͷن໛ײɿϦϓϨʔεલͷ 1FSMϓϩδΣΫτͰ͸

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l LUϑΝΠϧͷ਺ l ௒͑ʢςετ͸আ͘ʣ l 1FSMϓϩδΣΫτͷ ௒ͷ QNϑΝΠϧΑΓ΋૿͍͑ͯΔओͳཧ༝ l %BUBDMBTT͕૿͑ͨҝ l ϩδοΫΛϨΠϠ͝ͱʹ෼͚ͨҝ l ίϛοτ਺ l ໿ ίϛοτ l ͬ͘͟Γܭࢉ͢Δͱฏ೔ຖ೔໿ ίϛοτҎ্ͷࠩ෼͕औΓࠐ·Ε͍ͯΔΠϝʔδ ։ൃͷن໛ײɿϦϓϨʔεޙͷ ,PUMJOϓϩδΣΫτͰ͸

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l ͳͥ (P΍ଞͷݴޠ͡Όͳ͍ͷ͔ʁ l +BWB,PUMJO͕ࣾ಺Ͱ࠷΋࢖ΘΕΔݴޠ͔ͩΒ l ผͷνʔϜͱ஌ݟ͕ڞ༗͠΍͍͢J l ΤϯδχΞ͕ผͷνʔϜʹҟಈ͠΍͍͢ʢΩϟονΞοϓ͠΍͍͢ʣJ l ࣾ಺ͷΤίγεςϜ͕ར༻Ͱ͖ΔJ l ͳͥ +BWBͰͳ͍ͷ͔ʁ l νʔϜͰ։ൃͯ͠ΔଞͷϓϩμΫτͱٕज़ηοτΛ߹Θ͔͔ͤͨͬͨΒ l ,PUMJO͕ॻ͖΍͍͢ͱฉ͍͍ͯͨ ͳͥ ,PUMJOʹॻ͖׵͑ͨͷ͔ʁ

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l ՝୊ղܾͷҝ l γεςϜͷߏ੒͕ෳࡶԽ͍ͯͨ͠ l ஷΊΔλϒ͕ 1FSMͰ࢖͏λϒ͕ ,PUMJO l ౰࣌ 1FSM͔Β௚઀ )#BTF͕࢖͑ͳ͔ͬͨҝ +BWB,PUMJOͰॻ͔Εͨ )#BTFHBUFXBZBQQΛ࣮૷ɾ؅ཧ͍ͯͨ͠ l ػೳࣗମͷෳࡶԽɻෆཁͳػೳ΋ଟ͔ͬͨ l ݴޠͷ໰୊Ͱ͸ͳ͍͕ɺॻ͖׵͑ϓϩδΣΫτʹΑͬͯղܾͰ͖ͦ͏ͳϙΠϯτ l ஷΊΔλϒΛ։ൃ͢ΔͨΊͷ 1FSMΤϯδχΞͷ࠾༻͕೉͍͠ l 1FSMͷ࠷ۙͷϛυϧ΢ΣΞʹର͢ΔΫϥΠΞϯτϥΠϒϥϦ͕ ๛෋ͱ͸ݴ͑ͳ͘ͳ͖ͬͯͨ 1FSM͔Β͜ͷλΠϛϯάͰॻ͖׵͑Δ͜ͱʹܾΊͨཧ༝ʢʣ

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l ॻ͖׵͑ϓϩδΣΫτʹऔΓ૊ΊΔ࣌ظͩͬͨҝ l ௚ۙ൒೥͸େ͖ͳγεςϜվम͕ͳͦ͞͏ͱ͍͏ݟ௨ཱ͕͍ͬͯͨ͠ 1FSM͔Β͜ͷλΠϛϯάͰॻ͖׵͑Δ͜ͱʹܾΊͨཧ༝ʢʣ

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l ݴޠɿ,PUMJO l ϑϨʔϜϫʔΫɿ4QSJOH#PPU "SNFSJB l ϛυϧ΢ΣΞɿ.Z42- )#BTF 3FEJT ,BGLB l "1*ɿ3&45 H31$ ٕज़ελοΫ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase Ϣʔβ͕ϙΠϯτΫϥϒ΁ΞΫηεͨ͠ࡍʹ֤छίϯςϯπΛฦ͢ BQQ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase ؅ཧը໘༻ͷ BQQ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase ϙΠϯτ෇༩ॲཧΛߦ͏ BQQ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase ஷΊΔλϒͷओͳػೳΛ H31$ Ͱఏڙ͢Δ BQQ

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DPSFBQQ։ൃ׬ྃɾ ଞͷ BQQͷઃܭ ΠϯςάϨʔγϣϯɾ 2" 1FSM,PUMJOҠߦϓϩδΣΫτͷશ๴ɿεέδϡʔϧ 1FSMʹ࢒͍ͯͨ͠ ػೳͷ։ൃ શମ։ൃ׬ྃ ϝΠϯػೳͷϦϦʔε શମઃܭɾDPSFBQQઃܭɾ ։ൃ؀ڥ੔උ

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DPSFBQQ։ൃ׬ྃɾ ଞͷ BQQͷઃܭ ΠϯςάϨʔγϣϯɾ 2" 1FSMʹ࢒͍ͯͨ͠ ػೳͷ։ൃ શମ։ൃ׬ྃ ϝΠϯػೳͷϦϦʔε શମઃܭɾDPSFBQQઃܭɾ ։ൃ؀ڥ੔උ 1FSM,PUMJOҠߦϓϩδΣΫτͷશ๴ɿεέδϡʔϧ

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l ߹ܭ໊ߏ੒ l ໊ͷ +BWB,PUMJOΤϯδχΞ l 1FSMϓϩδΣΫτͷ࢓༷ʹ͍ͭͯ͸શવ෼͔Βͳ͍ঢ়ଶ͔Βͷελʔτ l ݩʑͷΞαΠϯɿ࢖͏λϒɾͦͷଞͷϓϩδΣΫτͷ։ൃ l ໊ͷ 1FSMΤϯδχΞ l +BWB,PUMJOʹ͍ͭͯࢲ͸গ͚ͩ͠෼͔Δɺଞͷ໊͸શવ෼͔Βͳ͍ঢ়ଶ ͔Βͷελʔτ l ݩʑͷΞαΠϯɿஷΊΔλϒͷ։ൃ ϓϩδΣΫτͷશ๴ɿ։ൃऀߏ੒

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l ՝୊ l λεΫͷׂΓৼΓ΍޻਺ݟੵ΋Γͷ೉͕͋ͬͨ͠͞ l ղܾࡦ l ҠߦϓϩδΣΫτॳظ͸؇͍෼ۀମ੍Λෑ͍ͨ l 1FSMϝϯόʔ͕࢓༷Λॻ͘ l +BWB,PUMJOϝϯόʔ͸։ൃΛ؆୯ʹਐΊΒΕΔΑ͏ͳࣄલ४උΛ͢Δ ՝୊ɿνʔϜ಺ͷۀ຿஌ࣝɾ։ൃεΩϧͷෆۉߧ

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l ݁Ռ l ฒߦͯ͠࢓༷ࡦఆͱ։ൃͷ४උΛਐΊΒΕͨ l 1FSMϝϯόʔ͕ٕज़ελοΫ͕෼͔Βͳ͍ؒ͸࢓༷͕ᐆດͳ෦෼͕࢒ͬͯ ͠·ͬͨ l ։ൃ͠ͳ͕Β࢓༷Λ੔͍͑ͯ͘͜ͱʹͳ͍ͬͯͬͨ l +BWB,PUMJOϝϯόʔʹ͸։ൃɾίʔυϨϏϡʔͷෛՙ͕دͬͯ͠·ͬͨ l ίʔυϨϏϡʔίετ΋େ͖Ίʹͳͬͨ l ࢓༷ͷશ๴ ٕज़ͷશ๴͕ݟ͑ͯͳ͍ͷͰ࡞ۀྔͷݟੵ΋Γ͕೉͔ͬͨ͠ ՝୊ɿνʔϜ಺ͷۀ຿஌ࣝɾ։ൃεΩϧͷෆۉߧ

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l ΑΓεϜʔζͳελʔτΛ੾ΔͨΊʹ͸Ͳ͏ͨ͠ΒΑ͔͔ͬͨʁ l ࢓༷ࡦఆͷ࣌ؒΛ΋ͬͱ௕͘औΔ l ࢓༷ϨϏϡʔɾٕज़शಘͷલ४උΛΑΓஸೡʹ΍Δ l ཧ૝Λݴ͑͹ɿ্هͭͰϓϥεϲ݄͘Β͍ͱΕΔͱεϜʔζͩͬͨΑ͏ʹײ͡Δ l ޻਺Λݟੵ΋Δࡍʹɺ +BWB,PUMJOϝϯόʔͷίʔυϨϏϡʔෛՙΛ ΑΓେ͖Ίʹߟྀ͢Δ ՝୊ɿνʔϜ಺ͷۀ຿஌ࣝɾ։ൃεΩϧͷෆۉߧ

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l ࠷΋େ੾ʹͨ͜͠ͱ l ʮ-*/&ϙΠϯτΫϥϒʯӡӦʹܞΘΔਓ͕ࢪࡦΛԁ׈ʹ਱ߦͰ͖ΔΑ͏ʹ͢Δ͜ͱ l ʮஷΊΔʯλϒͱʮ࢖͏ʯλϒͷΞϓϦέʔγϣϯͷ౷߹ l ϝϯςφϯείετ࡟ݮͱଐਓԽͷղফΛૂ͏ l ઃܭͷݟ௚͠ l ࣗ෼ͨͪͰϝϯςφϯε͍ͯͨ͠ಠࣗͷδϣϒΩϡʔΛഇࢭ͠ɺ ,BGLBΛಋೖͨ͜͠ͱͳͲ ઃܭͰେ੾ʹͨ͜͠ͱɾલఏͱͳͬͨػೳཁ݅

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l σʔλϕʔεʹେ͖͘खΛೖΕΔ͜ͱ l ຊ౰͸εΩʔϚߏ੒͕ෳࡶԽ͍ͯͨ͠ͷͰखΛೖΕ͔ͨͬͨ l ޻਺͕๲େʹͳΓ࠷ॳͷϦϦʔε·Ͱ͕͔͔࣌ؒΓ͗͢Δ͜ͱ͕൑໌ͨ͠ l ୅ΘΓʹɺΞϓϦέʔγϣϯͷίΞ෦෼ͰෳࡶੑΛӅณ͢Δํ਑ʹͨ͠ ઃܭͰબ͹ͳ͔ͬͨҊ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟɿϙΠϯτ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase 3FEJTʹͷΈ઀ଓ͠εέʔϥϏϦςΟͷվળ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟɿϙΠϯτ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase ಠࣗͷδϣϒΩϡʔ͔Β ,BGLB΁Ҡߦ

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Kafka ,PUMJO ͰͷγεςϜΞʔΩςΫνϟɿϙΠϯτ media core admin cv-worker Redis Clusters Redis gRPC gRPC media DB DB for Earn Tab MySQL REST DB for Use Tab MySQL MySQL HBase ஷΊΔλϒͱ࢖͏λϒͷ౷߹

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DPSFBQQ։ൃ׬ྃɾ ଞͷ BQQͷઃܭ ΠϯςάϨʔγϣϯɾ 2" 1FSMʹ࢒͍ͯͨ͠ ػೳͷ։ൃ શମ։ൃ׬ྃ ϝΠϯػೳͷϦϦʔε શମઃܭɾDPSFBQQઃܭɾ ։ൃ؀ڥ੔උ ॗʑͱ։ൃ 1FSM,PUMJOҠߦϓϩδΣΫτͷશ๴ɿεέδϡʔϧ

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DPSFBQQ։ൃ׬ྃɾ ଞͷ BQQͷઃܭ ΠϯςάϨʔγϣϯɾ 2" 1FSMʹ࢒͍ͯͨ͠ ػೳͷ։ൃ શମ։ൃ׬ྃ ϝΠϯػೳͷϦϦʔε શମઃܭɾDPSFBQQઃܭɾ ։ൃ؀ڥ੔උ ॗʑͱ։ൃ 1FSM,PUMJOҠߦϓϩδΣΫτͷશ๴ɿεέδϡʔϧ -*/&%&7&-01&3%":Ͱ͜͜ͷ࿩Λͯ͠·͢ʂ ಈըɾهࣄΛݟ͍ͯͩ͘͞ʂ

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l 1FSMͰಠཱͯ͠ಈ࡞Մೳͳػೳ l όονॲཧ l ؅ཧը໘ l ֎෦޲͚ͷ "1* ॳظͷϦϦʔεʹؚΊͳ͔ͬͨػೳ σʔλϕʔε΁ͷมߋΛ࠷খݶʹͱͲΊͨ͜ͱͰ 1FSMΛ࢒͠ͳ͕ΒҠߦͰ͖ͨ

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l ΄ͱΜͲ͸ҠߦͰ͖ͨ l ݱࡏ΋एׯͷҠߦ͸࢒͍ͬͯΔ͕ɺ શϝϯόʔ͕ϑϧͰҠߦ࡞ۀΛ͍ͯ͠Δ༁Ͱ͸ͳ͍ l ࢒͍ͬͯΔͷ͸ɺࡉ͔͍όονॲཧ l DPSPVUJOF΍ JOMJOFDMBTTͳͲͷػೳ΋ར༻࢝͠Ί͍ͯΔ ݱঢ়

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l ࠓ೔࿩͢͜ͱ l ྫ֎ॲཧͷ΍Γํʹ໰୊͕͋ͬͨ࿩ l ੩తղੳπʔϧ %FUFLU Λಋೖͨ͠Βྑ͔ͬͨΑͱ͍͏࿩ l ࠓ೔࿩͞ͳ͍͜ͱ l -*/&%&7&-01&3%":Ͱൃදͨ͠಺༰ ,PUMJOҠߦϓϩδΣΫτͰى͖ͨ໰୊ͱվળ

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l ͜Μͳίʔυॻ͍ͯ·ͤΜ͔ʁ ྫ֎ॲཧͷ΍Γํ͕ྑ͘ͳ͔ͬͨ

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l ͜Μͳίʔυॻ͍ͯ·ͤΜ͔ʁ ྫ֎ॲཧͷ΍Γํ͕ྑ͘ͳ͔ͬͨ ࣗલͰϩΪϯά͔ͯ͠Β࠶ૹग़͢ΔΞϯνύλʔϯ

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l ͲΜͳ໰୊͕ى͜Δͷ͔ʁ l ಉ͡໰୊ʹىҼ͢Δϩά͕ෳ਺ग़ྗ͞ΕΔ͜ͱͰࠞཚΛҾ͖ى͜͢ l ͳͥࠞཚ͕ى͜Δͷ͔ʁ l ݸผͷϩάʹՃ͑ͯɺେҬྫ֎ϋϯυϥͰ΋ϩά͕ग़ྗ͞ΕΔҝ l େҬྫ֎ϋϯυϥͱ͸ʁ l ϑϨʔϜϫʔΫଆͰ༻ҙ͍ͯ͠ΔେҬతͳྫ֎ॲཧػߏͷ͜ͱ l ෳ਺ $POUSPMMFSʹڞ௨ͨ͠ྫ֎ϋϯυϥ͕ॻ͚Δ l ྫɿ4QSJOH.7$Ͱ͸ !$POUSPMMFS"EWJDF Λ෇༩ͨ͠ΫϥεͰهड़Ͱ͖Δ ࣗલͰϩΪϯά͔ͯ͠Β࠶ૹग़͢ΔΞϯνύλʔϯͱ͸ʁ ˞ࢀߟɿஈ֊తʹཧղ͢Δ +BWBྫ֎ॲཧ IUUQTRJJUBDPNUTJJUFNTEGDDEBFE

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l ϩΪϯά͸େҬྫ֎ϋϯυϥʹ೚ͤΔ l ,PUMJOͰ͸ελοΫτϨʔε͕ϩάʹग़ྗͰ͖ΔͷͰɺ Լͷ֊૚Ͱࡉ͔͘ϩΪϯά͢Δඞཁ͸ͳ͍ ઌ΄Ͳͷίʔυ͸Ͳ͏͢Ε͹ྑ͍ͷ͔ʁ

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l 1FSMͷϓϩδΣΫτͰ͸େҬྫ֎ϋϯυϥ΍ελοΫτϨʔεΛ ϩάʹग़ྗ͢Δ࢓૊Έʹͳ͍ͬͯͳ͔ͬͨҝɺஞҰϩΪϯά͍ͯͨ͠ l ͦ͏͍ͬͨίʔυΛ ,PUMJOʹҠߦ͢ΔࡍʹΞϯνύλʔϯʹ͍ؕͬͯͨ ͳͥ͜ͷΞϯνύλʔϯʹؕͬͨͷ͔ʁ

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l %FUFLU ಋೖલ͸ LUMJOU ͸ಋೖ͞Ε͍ͯͨ l LUMJOU ͱ %FUFLU ͷҧ͍ l LUMJOU ͸ DPEJOHTUZMFΛ֬ೝ͢Δ l %FUFLU ͸ίʔυͷෳࡶ౓΍ίʔυͷ೏͍ʢ໰୊ͷஹީʣΛݕ஌͢Δ ੩తղੳπʔϧ %FUFLU Λಋೖͨ͠Βྑ͔ͬͨ

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l -POH.FUIPE ΍ $PNQMFY.FUIPE ͋ͨΓͷܯࠂ͕ಛʹ͋Γ͕͍ͨ l ਓ͕ؒʮ͜ͷϝιου͸௕͍ɾෳࡶͳͷͰमਖ਼͍ͯͩ͘͠͞ʯͱϨϏϡʔ͢Δͷ͸೉͍͠ l ओ؍తͳଆ໘͕͋ͬͯࢦఠͮ͠Β͔ͬͨΓਓʹΑͬͨΓ͢Δ෦෼͕େ͖͍ҝ l ػցతʹܯࠂ͕ग़Δͱ඼࣭ͷҡ͕࣋͠΍͍͢ l େ͖͍ϓϩδΣΫτͰ΋్த͔Βಋೖ͠΍͍͢ l طଘͷίʔυʹग़͍ͯΔܯࠂΛແࢹ͢Δҝͷ CBTFMJOFYNM Λग़ྗͰ͖Δػೳ͕ศར %FUFLU ͷྑ͍఺

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l ܕ͕͋Δɾ/VMM ҆શੑ͕͋Δ l දݱྗ͕ߴ͍ l ֦ுؔ਺ l JG USZ XIFOͳͲ͕஋ΛฦͤΔ l /VMMͷ৔߹ͷॲཧͷॻ͖෼͚͕؆୯ʹͰ͖Δʢ ΍ ʣ l ๛෋ͳ +BWBࢿ࢈Λ࢖͑Δ l ࣮ߦ଎౓͕଎͍ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿϙδςΟϒฤʢʣ

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l ܕ͕͋Δɾ/VMM ҆શੑ͕͋Δ l දݱྗ͕ߴ͍ l ֦ுؔ਺ l JG USZ XIFOͳͲ͕஋ΛฦͤΔ l /VMMͷ৔߹ͷॲཧͷॻ͖෼͚͕؆୯ʹͰ͖Δʢ ΍ ʣ l ๛෋ͳ +BWBࢿ࢈Λ࢖͑Δ l ࣮ߦ଎౓͕଎͍ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿϙδςΟϒฤʢʣ ΫϥεΛܧঝͤͣʹɺ Ϋϥεʹ৽͍͠ػೳΛ௥Ճ͢Δ

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l ܕ͕͋Δɾ/VMM ҆શੑ͕͋Δ l දݱྗ͕ߴ͍ l ֦ுؔ਺ l JG USZ XIFOͳͲ͕஋ΛฦͤΔ l /VMMͷ৔߹ͷॲཧͷॻ͖෼͚͕؆୯ʹͰ͖Δʢ ΍ ʣ l ๛෋ͳ +BWBࢿ࢈Λ࢖͑Δ l ࣮ߦ଎౓͕଎͍ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿϙδςΟϒฤʢʣ /VMMͩͬͨΒޙଓͷॲཧΛ͢Δʢ͜͜Ͱ͸ྫ֎Λ౤͛Δʣ

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l ܕ͕͋Δɾ/VMM ҆શੑ͕͋Δ l දݱྗ͕ߴ͍ l ֦ுؔ਺ l JG USZ XIFOͳͲ͕஋ΛฦͤΔ l /VMMͷ৔߹ͷॲཧͷॻ͖෼͚͕؆୯ʹͰ͖Δʢ ΍ ʣ l ๛෋ͳ +BWBࢿ࢈Λ࢖͑Δ l ࣮ߦ଎౓͕଎͍ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿϙδςΟϒฤʢʣ UFYU͕OVMMͳΒ MFOHUI͸࣮ߦ͞Εͣ OVMMΛฦ͢

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l ։ൃ؀ڥʹؔ͢ΔΤίγεςϜ͕੔͍ͬͯΔ l ,PUMJOͷ։ൃݩ͕ +FU#SBJOT TSP Ͱ͋Γɺ *%&΍पลπʔϧ΋։ൃ͍ͯ͠ΔͨΊ ڧྗͳαϙʔτ͕͋Δ l ܰྔͳฒྻԽ͕Ͱ͖Δ l $PSPVUJOFͳͲ l ࣾ಺ͷଞνʔϜͱ৘ใަ׵͕੝ΜͳͨΊαʔόαΠυ։ൃͷ ૬ஊ͕ߦ͍΍͍͢ l ฼਺ͷؔ܎্ 1FSM։ൃΑΓ΋૬ஊ͕ਐΈ΍͍͢ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿϙδςΟϒฤʢʣ

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l Ϗϧυʹ͕͔͔࣌ؒΔҝखݩͰͷमਖ਼ΠςϨʔγϣϯ͸ 1FSM࣌୅ΑΓ΋஗͘ͳͬͨ l 4QSJOH#PPU΍ HSBEMF ͳͲ BQQΛ࡞੒͢Δ্Ͱඞཁͳ ஌ࣝ΍ٕज़͕ଟ͍ l 1FSMͰ͸γϯϘϧςʔϒϧΛ͍͡Δ͜ͱͰ NPOLFZQBUDI͕ ඇৗʹ༰қͰɺಛघͳςετ͕؆୯ʹॻ͚ͨ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿωΨςΟϒฤʢʣ

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l スレッドセーフに関して注意する必要がある l 1FSMではマルチプロセス・シングルスレッドのアプリケーションを書いていたので意識が薄かった 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿωΨςΟϒฤʢʣ

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l H31$ ͷ CJEJSFDUJPOBMTUSFBNJOHΛ࢖ͬͯΈ͍ͨ l 1FSM࣌୅ͷ "1*Λ࠶ݱ͢Δ͜ͱΛ༏ઌ͍ͯͨ͠ͷͰɺ·ͩख͕ճ͍ͬͯͳ͍ 1FSM͔Β ,PUMJO΁Ҡߦͯ͠ײͨ͜͡ͱɿͦͷଞฤ

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l ౰ͨΓલͰ͸͋Δ͕ผͷݴޠʹ׬શʹҠߦ͢Δͷ͸݁ߏେมͩͬͨ l ςετΛআ͖ QNϑΝΠϧ ௒͑Δ͘Β͍ͷن໛ͩͱΤϯδχΞਓͰ೥Ҏ্͔͔Δ l νʔϜҰؙͰ୹ظؒʹϓϩδΣΫτશମΛผͷݴޠ΁Ҡߦ͢Δͷ͸ νʔϜશһʹͱͬͯྑ͍ܦݧʹͳͬͨ l 1FSM΋޷͖͕ͩͬͨɺ ,PUMJO΋޷͖ʹͳͬͨ ϓϩδΣΫτͷ୲౰Λऴ͑ͨࠓͷؾ࣋ͪ

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l -*/&ϙΠϯτΫϥϒͷ 1FSM͔Β ,PUMJO΁ͷҠߦϓϩδΣΫτͷ঺հ l ͳͥࠓ ,PUMJOʹͨ͠ͷ͔ʁ l ͳͥ ,PUMJOʁɿॻ͖΍͍͢ҝɾࣾ಺ͰΑ͘࢖ΘΕ͍ͯΔҝ l ͳͥࠓʁɿ௕೥ӡ༻͍ͯ͠ΔதͰ՝୊͕ੵΈॏͳ͍ͬͯͨҝɾऔΓ૊ΊΔ࣌ظͩͬͨҝ l ઃܭͰେ੾ʹͨ͜͠ͱ΍ݱঢ়ͷ঺հ l ϓϩδΣΫτͰى͖ͨ໰୊ͱվળ l ྫ֎ॲཧͷ࢓ํ͕ҧ͏ͱ͍͏࿩ͱ %FUFLU ಋೖͨ͠Βྑ͔ͬͨͱ͍͏࿩ l ৼΓฦͬͯͷײ૝ͷ঺հ ·ͱΊ