開発の安定性・スループットを定量的に見る #とは / Quantitative view of development

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CONFIDENTIAL ։ൃͷ҆ఆੑɾεϧʔϓοτ ΛఆྔతʹݟΔͱ͸ 5VF։ൃੜ࢈ੑΛߴΊΔʙ4NBSU)3ɺ40%"ʹΑΔνʔϜى఺ͷऔΓ૊Έʙ ͕͢ΘΒ·͞ͷΓ 4NBSU)3ϓϩμΫτΤϯδχΞάϧʔϓϚωʔδϟʔ

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CONFIDENTIAL ࣗݾ঺հ ͕͢ΘΒ·͞ͷΓ !TVHBNBTBP ɾ4NBSU)3ʢʙʣ ɾجຊػೳͱݺ͹ΕΔϓϩμΫτͷ։ൃʹैࣄ ɾʙϚωʔδϟʔͱͯ͠ˢͷ։ൃʹؔ͢ΔϚωδ ϝϯτΛߦ͏

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CONFIDENTIAL झຯͰॻ੶ͷࣥචΛগʑ ˞ڞஶɾ୯ஶؚΉ BNB[POஶऀηϯτϥϧΑΓҾ༻

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CONFIDENTIAL աڈͷొஃ IUUQTTQFBLFSEFDLDPNTVHBNBTBPTNBSUIS

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ΑΖ͓͘͠Ͷ͕͍ ͠·͢

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w લఏͷڞ༗ w ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ w ஌ݟΛ෇͚Δͧʂ w ՄࢹԽ͢Δͧʂʙ΍͍ͬͯͧ͘ฤʙ CONFIDENTIAL

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w લఏͷڞ༗ w ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ w ஌ݟΛ෇͚Δͧʂ w ՄࢹԽ͢Δͧʂʙ΍͍ͬͯͧ͘ฤʙ CONFIDENTIAL

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CONFIDENTIAL લఏͷڞ༗

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CONFIDENTIAL ϓϩμΫτͷछྨ ओʹ͜ͷϓϩμΫτͷ࿩Λ͠·͢ νʔϜͰͷ։ൃ ϞϊϦγοΫϓϦέʔγϣϯ

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CONFIDENTIAL ͬ͘͟Γମ੍ਤ νʔϑ Ϛωʔδϟʔ 71P& Ϛωʔδϟʔ νʔϑ νʔϑ νʔϑ ϝϯόʔ ϝϯόʔ ϝϯόʔ ϝϯόʔ νʔϜ୯Ґ ϓϨΠϠʔ ϓϨΠϯάϚωʔδϟʔ ϚωʔδϟʔʢϫΠʣ

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CONFIDENTIAL ՄࢹԽɾఆྔԽʹ͍ͭͯؾʹͳ Γ࢝ΊͨϙΠϯτ

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ɾϓϩμΫτʹؔΘΔΤϯδχΞͷ਺ͷ૿Ճ ɾϓϩμΫτͷίʔυϕʔεͷ੒௕ CONFIDENTIAL ؾʹͳΓϙΠϯτ

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ɾϓϩμΫτʹؔΘΔΤϯδχΞͷ਺ͷ૿Ճ 👉೥Ͱ͓Α໊໊ͦ΁ 👉-F44Λ࢖͍νʔϜΛεέʔϧ͍ͤͯ͞Δ CONFIDENTIAL ؾʹͳΓϙΠϯτ

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ɾϓϩμΫτͷίʔυϕʔεͷ੒௕ CONFIDENTIAL +----------------------+--------+--------+---------+---------+-----+-------+ | Name | Lines | LOC | Classes | Methods | M/C | LOC/M | +----------------------+--------+--------+---------+---------+-----+-------+ | Controllers | 30108 | 23375 | 596 | 2448 | 4 | 7 | | Helpers | 790 | 643 | 0 | 82 | 0 | 5 | | Models | 50760 | 40649 | 664 | 2851 | 4 | 12 | | Mailers | 435 | 349 | 15 | 36 | 2 | 7 | | JavaScripts | 28862 | 26 | 0 | 1 | 0 | 24 | | Libraries | 6344 | 5231 | 37 | 167 | 4 | 29 | | APIs | 10502 | 9186 | 136 | 257 | 1 | 33 | : +----------------------+--------+--------+---------+---------+-----+-------+ | Total | 500857 | 384867 | 1484 | 6162 | 4 | 60 | +----------------------+--------+--------+---------+---------+-----+-------+ Code LOC: 79459 Test LOC: 305408 Code to Test Ratio: 1:3.8 ؾʹͳΓϙΠϯτ +----------------------+--------+--------+---------+---------+-----+-------+ | Name | Lines | LOC | Classes | Methods | M/C | LOC/M | +----------------------+--------+--------+---------+---------+-----+-------+ | Controllers | 32123 | 24992 | 649 | 2615 | 4 | 7 | | Helpers | 878 | 713 | 0 | 90 | 0 | 5 | | Models | 60307 | 48243 | 784 | 3261 | 4 | 12 | | Mailers | 416 | 336 | 15 | 34 | 2 | 7 | | JavaScripts | 37893 | 5889 | 0 | 125 | 0 | 45 | | Libraries | 12546 | 9856 | 71 | 352 | 4 | 26 | | APIs | 11601 | 10025 | 148 | 279 | 1 | 33 | : +----------------------+--------+--------+---------+---------+-----+-------+ | Total | 732923 | 571320 | 1719 | 7173 | 4 | 77 | +----------------------+--------+--------+---------+---------+-----+-------+ Code LOC: 100054 Test LOC: 471266 Code to Test Ratio: 1:4.7 ͓ΑͦҰ೥ޙ

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ɾ4DSVN -F44 Ͱͷ;Γ͔͑Γ΍ϕϩγςΟΛ࢖ͬͨϦϦʔε༧ଌ ͳͲجຊతͳ͜ͱ͸Ͱ͖͍ͯΔ ɾͦͷͨΊ֤νʔϜ͝ͱͷվળࢪࡦ͸ߦ͍͑ͯͯɺ֤νʔϜͷ੒௕ ΋఻ΘΔ CONFIDENTIAL ؾʹͳΓϙΠϯτ

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ɾҰํͰzϓϩμΫτzͱ͍͏୯ҐͰͲ͏ͳͬͯΔ͔ଌΕ͍ͯͳ͍ ɾνʔϜ͝ͱͷࢪࡦʹରͯ͠ఆྔతͳධՁΛߦ͑Δ΋ͷ΋͋Δ͕ɺ ௕ظతͳܭଌ͕Ͱ͖͍ͯΔΘ͚Ͱ͸ͳ͍ CONFIDENTIAL ؾʹͳΓϙΠϯτ

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௕ظతͳτϨϯυΛߟ͑Δͱఆྔతͳ؍఺Ͱ ͷ؍࡯͕ඞཁͳͷͰ͸🤔 CONFIDENTIAL ؾʹͳΓϙΠϯτ

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w લఏͷڞ༗ w ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ w ஌ݟΛ෇͚Δͧʂ w ՄࢹԽ͢Δͧʂʙ΍͍ͬͯͧ͘ฤʙ CONFIDENTIAL

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CONFIDENTIAL ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ

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ՄࢹԽ͢Δͧʂ

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νʔϜ͝ͱͷࢪࡦʹରͯ͠ఆྔతͳධՁΛߦͳ͍ͬͯΔ΋ ͷ΋͋Δ͕ɺϝϯόʔͷ૿ݮͳͲνʔϜͷ҆ఆੑʹ͸͞· ͟·ͳม਺͕͋ΔͷͰɺҰఆͷࢦඪʹΑΔ௕ظతͳՄࢹԽ ΋ඞཁͳͷͰ͸💡 CONFIDENTIAL ՄࢹԽ͢Δͧʂ

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ɾผϓϩμΫτͰಋೖΛݕ౼Λ࢝Ίͨ ɾզʑͷϓϩμΫτ΋ҰॹʹਐΊΔ CONFIDENTIAL ՄࢹԽ͢Δπʔϧͷݕ౼͢Δͧʂ

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ɾ'PVS,FZT.FUSJDTͷՄࢹԽ ɾ13ͷϦʔυλΠϜͷՄࢹԽ ɾFUDʜ CONFIDENTIAL 'JOEZ5FBNJTʜ ˞0 ff FST.(3Ͱ͸ͳͯ͘͢Έ·ͤΜ🙇

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τϥΠΞϧ͢Δͧʂ

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ɾ͔֬ʹ਺஋ͷྑ͠ѱ͠͸Θ͔Δ ɾτϨϯυϥΠϯ΋Θ͔Δ ɾҰํͰɺ਺஋ͷҙຯΛཧղ͠ͳ͍ͱʮ਺஋Λྑ͘͢ ΔͨΊͷϋοΫʯ΍ʮͱΓ͋͑ͣ਺஋Λվળͤ͞Δʯ ͷΑ͏ͳ਺஋ʹৼΓճ͞Εͯ͠·͏ݒ೦͕͋ͬͨ CONFIDENTIAL 'JOEZ5FBNͷτϥΠΞϧΛ΍ͬͯΈͯ

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׆༻ํ๏ͷΠϝʔδ͸ͳΜͱͳ͘ࢥ͍ͭ͘΋ͷͷɺࣗ ෼͕ͨͪ਺஋ͱ޲͖߹͏ͨΊͷجૅମྗ͸ඞཁͦ͏👀 ಛʹνʔϜ୯ҐͰվળʹ׆͔͢ͷͰ͋Ε͹νʔϜ͝ͱ ͷղ૾౓͕ߴ͍ํ͕ྑ͍ࢪࡦʹͭͳ͕ΔͷͰ͸🤔 CONFIDENTIAL 'JOEZ5FBNͷτϥΠΞϧΛ΍ͬͯΈͯ

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ອવͱݟͯ΋μϝͦ͏ʂΑΓޮՌతͳࢪࡦΛ ߟ͑Δʹ͸ࣗ෼ͨͪͷέΠύϏϦςΟΛ্͛ ͳͯ͘͸ɺɺɺʂʂʂʂʂ̍ CONFIDENTIAL 'JOEZ5FBNͷτϥΠΞϧΛ΍ͬͯΈͯ

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w લఏͷڞ༗ w ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ w ஌ݟΛ෇͚Δͧʂ w ՄࢹԽ͢Δͧʂʙ΍͍ͬͯͧ͘ฤʙ CONFIDENTIAL

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CONFIDENTIAL ஌ݟΛ෇͚Δͧʂ

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ಡॻձ΍Δͧʂ

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ɾ'PVS,FZT.FUSJDTͷࠜڌ͕Θ͔͍ͬͯͳ͍ ɾνʔϜͷ҆ఆੑɾεϧʔϓοτΛ਺஋Խ͢Δ ͜ͱʹର͢Δയવͱͨ͠ෆ҆ʢຊ౰ʹͦΕͰΘ ͔ΔΜͰ͔͢ʜʁʣ CONFIDENTIAL ஌ݟJTͳʹ

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ɾ·ͣ͸ݪయʹ͋ͨΔͱྑͦ͞͏ ɾʮ-FBOͱ%FW0QTͷՊֶʯ ɾࣾ಺ͰಡॻձΛ։࠵͠Α͏ CONFIDENTIAL ஌ݟJTͳʹ IUUQTCPPLJNQSFTTDPKQCPPLT

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ɾ֤νʔϜ͔Βʙ໊ ɾશϓϩμΫτʹରͯ͠੠ֻ͚ ɾ૯੎໊ˢ͕ू·ͬͨ CONFIDENTIAL ஌ݟJTͳʹ IUUQTCPPLJNQSFTTDPKQCPPLT

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ɾ֤ষΛಡΈͳ͕Β ɾʮͳΔ΄Ͳͱࢥͬͨ͜ͱʯ ɹʮࣗϓϩμΫτʹରͯ͠ ɹɹɹͰ͖ͦ͏ͳ͜ͱʯ ɾ͜ΕΒΛ෇ᝦʹॻ͖ग़͠ͳ͕Βٞ࿦ CONFIDENTIAL ஌ݟJTͳʹ

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ɾ૊৫จԽͷॏཁੑ ɾF/14΁ͷӨڹ ɾϑϩʔޮ཰ͷॏཁੑ ɾϦʔμʔγοϓͷॏཁੑ CONFIDENTIAL ݸਓతʹͳΔ΄Ͳͱࢥͬͨ͜ͱ

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ɾ૊৫จԽͷॏཁੑ ɾF/14΁ͷӨڹ ɾϑϩʔޮ཰ͷॏཁੑ ɾϦʔμʔγοϓͷॏཁੑ CONFIDENTIAL ݸਓతʹͳΔ΄Ͳͱࢥͬͨ͜ͱ ౷ܭ্ϋΠύϑΥʔϚʔͳ૊৫ͱ ؔ܎͕͋Δͱड़΂ΒΕ͍ͯͯྗڧ͍

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ɾʮ਺஋Λྑ͘͢Δ͜ͱʯͷҙຯ͕ݟ͑ ͖ͯͨ ɹ👉୯ʹ։ൃ଎౓͕଎͘ͳΔɺͷΑ͏ͳ࿩Ͱ͸ͳ͔ͬͨ ɾࣗϓϩμΫτɾ૊৫ͷྑ͘Ͱ͖͍ͯΔ ෦෼΍৳ͼ୅ͷ͋Δ෦෼͕௫Ί͖ͯͨ CONFIDENTIAL ಡॻձΛܦͯ

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w લఏͷڞ༗ w ՄࢹԽ͢Δͧʂʙ࠳ંฤʙ w ஌ݟΛ෇͚Δͧʂ w ՄࢹԽ͢Δͧʂʙ΍͍ͬͯͧ͘ฤʙ CONFIDENTIAL

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CONFIDENTIAL ՄࢹԽ͢Δͧʂ ʙ΍͍ͬͯͧ͘ฤʙ

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ՄࢹԽ͢Δͧʂʢ࠶ʣ

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ɾಉ͡ϓϩμΫτͰಡऀձʹࢀՃͨ͠ ϝϯόʔΛूΊͯͲ͏͍͏؍఺͕ॏ ཁʹͳΓͦ͏͔ೝࣝΛἧ͑Δ CONFIDENTIAL ՄࢹԽ͢Δͧʂʢ࠶ʣ

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ɾ՝୊ʹײͨ͡΋ͷɺ͍·खΛଧͯ ͍ͯΔ΋ͷͳͲͷೝࣝΛ߹ΘͤΒΕͨ CONFIDENTIAL ՄࢹԽ͢Δͧʂʢ࠶ʣ

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ԿΛͲ͏ݟΔ👀

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ɾ࣮͸ࠓ͜͜Λ΍͍ͬͯΔ࠷தͰ͢ʼʻ CONFIDENTIAL ՄࢹԽ͢Δͧʂʢ࠶ʣ

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ɾ਺஋ΛݟΔҙٛ͸੔ཧͰ͖ͨ ɾՄࢹԽ͞Εͨ݁ՌΛͲ͏࢖͏͔Λ ੔ཧ͍ͯ͘͠ $4͞Μʹ͸൐૸͍ͯ͠ ͖ͨͩେมײँ🙏 CONFIDENTIAL ՄࢹԽ͢Δͧʂʢ࠶ʣ

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ɾϓϩμΫτͷվળ ɾνʔϜͱͯ͠ͷվળ ͜ͷ఺Ͱ෼͚ͯߟ͑ͨํ͕ྑͦ͞͏ CONFIDENTIAL ԿΛͲ͏ݟΔ👀

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ɾσϓϩΠ΍ฏۉ෮چ࣌ؒʢ.553ʣ ɹ👉ϓϩμΫτͱͯ͠౤ࢿ͢Δ͔൑அ͢Δ ɹɹϙΠϯτʹͳΓͦ͏ ɾத௕ظతͳτϨϯυϥΠϯ͕Ͳ͏ಈ͍͍ͯΔ͔ ɹ👉৳ͼ୅΍վળ෦෼Λݟ͚ͭ΍͘͢ͳΓͦ͏ CONFIDENTIAL ϓϩμΫτͷվળ

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ɾ࣮ײͱ࣮੷Ͱͷײ֮ͷζϨ͕ͳ͍͔ ɹ👉ζϨ͕͋Δ෦෼͸Կ͔͋Γͦ͏ ɾνʔϜͰͷվળࢪࡦ͕ఆྔతʹվળ͞Ε͍ͯΔ͔ ɹ👉"Λվળͨ݁͠Ռ#͕ѱ͘ͳͬͨɺͳͲแׅత ͳ؍࡯͕Ͱ͖ͦ͏ CONFIDENTIAL νʔϜͱͯ͠ͷվળ

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ɾ҆ఆੑ΍εϧʔϓοτΛՄࢹԽ͢Δͷ͸े ෼Ձ஋͕͋Γͦ͏ ɾʮࠓʯ΍͍ͬͯΔࢪࡦ͕Ͳ͏͍͏݁Ռʹ݁ ͼ͔ͭ͘౷ҰతͳࢦඪͰ؍࡯Ͱ͖Δͷ͸ྑ͞ ͦ͏ CONFIDENTIAL ՄࢹԽ͢Δͧʂʢ࠶ʣ

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·ͱΊ

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ɾʮ-FBOͱ%FW0QTͷՊֶʯಡॻձ Λܦͯɺײ֮తʹྑ͍ͱࢥ͍ͬͯͨ ঢ়ଶ͕౷ܭ্ɺϋΠύϑΥʔϚʔͳ૊ ৫ʹͱͬͯॏཁͱ͍͏͜ͱ͕ݴ͑Δ Α͏ʹͳͬͨͷ͸ྑ͔ͬͨ👏 CONFIDENTIAL

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ɾʮՄࢹԽʯͷ໨తΛਂ΅͔ͬͯΒ ࠶νϟϨϯδͨ͠ͷ͸ྑ͔ͬͨ ɾ୹ظɾ௕ظɾνʔϜɾϓϩμΫτ ͦΕͧΕͷ੾ΓޱͰݟํ͕͋Γͦ͏ͱ͍͏ ੔ཧ͕෇͍ͨͷ͸ྑ͔ͬͨ CONFIDENTIAL

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͍͞͝ʹ

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ϋΠύϑΥʔϚʔͳ૊৫ΛࢲͨͪͱҰॹʹ࡞ͬ ͍͖͍ͯͨʂ ͱࢥͬͨ͋ͳͨͷԠืΛ଴͍ͬͯ·͢ʂʂ🙇🙏 IUUQTTNBSUISDPKQSFDSVJU CONFIDENTIAL 8FBSFIJSJOH