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クラシルのwebサイトをちょっとした改善で100倍速にした話
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Takuya Okuhara
June 24, 2017
Programming
3.4k
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クラシルのwebサイトをちょっとした改善で100倍速にした話
2017-06-22 Rails Developers Meetup #2
Takuya Okuhara
June 24, 2017
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Transcript
ΫϥγϧͷXFCαΠτΛͪΐͬͱͨ͠ վળͰഒʹͨ͠ Ԟݪ
⿏ΞδΣϯμ ɾࣗݾհ ɾEFMZͱʁΫϥγϧͱʁ ɾΫϥγϧʹ͓͚Δදࣔվળ ɾ࠷ޙʹ
⿏ࣗݾհ Α͘͏ΞΠίϯ ɾPLVUBLV ɾ3BJMTྺఔ େֶੜ͔Β ɾେֶӃͰੜԽֶઐ߈ தୀ ɾEFMZࡢʹδϣΠϯ
ɾ͖ͳྉཧ͏ͲΜ ɾٳΞΠεΧϑΣϥς୳͠ ɾೣ
⿏ϓϩάϥϛϯάΛ࢝Ί͖͔͚ͨͬ ͜͜ͰΞϧόΠτͯ͠·ͨ͠ʂ
⿏ϓϩάϥϛϯάΛ࢝Ί͖͔͚ͨͬ
⿏ֶੜ࣌ ɾϑοταϧͷίϛϡχςΟɾϚονϯάαʔϏε ɾϩʔϯν͔Βप ɾొϢʔβʔ ໊ಥഁ Πϯλʔωοτָ͍͠
⿏EFMZͱ ɾϏδϣϯʮ#&5)&46/ʯ ɾࣾһ໊ ɾϨγϐಈըαʔϏεLVSBTIJSV ɾ͝൧৯์
⿏LVSBTIJSVͱ ɾ4/4ϑΝϯສਓ ɾ݄ؒ࠶ੜԯճ ɾJ04ΞϓϦϨϏϡʔ ɹ⭐⭐⭐⭐⭐ ݅ ɾ"OESPJEΞϓϦϨϏϡʔ ɹ⭐⭐⭐⭐⭐
݅
ʮΫϥγϧΞϓϦ͕͍͢͝Ͱ͢Ͷʯ
ͪΐͬɺɺɺ
ΫϥγϧͷXFCؤுͬͯ·͢
⿏XFCͷදࣔվળ݁Ռ ɾදࣔͷվળ ɹTFDTFD ഒ λΠτϧ͔ͳΓͬͯɺ͢Έ·ͤΜ' ɾ1BHF4QFFE*OTJHIUT ˞ը૾දࣔྃ࣌ʹܭଌ
⿏ࣄͷൃ ʢAʣŇP0ᄾݺ
⿏औΓΜͩࣄ ɾΩϟογϡͷಋೖ ɾը૾ͷ࠷దԽ ɾෆཁͳDTTKBWBTDSJQUͷഉআ ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ ʼɹͨΓલͳ͜ͱ͕Ͱ͖ͯͳ͔ͬͨɹʻ ʉ:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:ʉ
⿏Ωϟογϡͷಋೖ ɾϘτϧωοΫͲ͜ʹ͋Δͷ͔ʁ XFCʹϩάΠϯػೳ͕ͳ͍ શͯͷϢʔβʔ͕ಉ͡ϖʔδΛӾཡ ߋ৽සগͳ͍ ͦͷʹಉ͡42-͕Δ
⿏Ωϟογϡͷಋೖ ɾ3BJMTͰͷΩϟογϡ ɹ⿏ϖʔδΩϟογϡഇࢭ ɹ⿏ΞΫγϣϯΩϟογϡഇࢭ ɹ⿏ϑϥάϝϯτΩϟογϡ ɾίϯϙʔωϯτ͝ͱʹظݶΛࢦఆͯ͠ΩϟογϡͰ͖Δ ɾϏϡʔͷϩδοΫͷϑϥάϝϯτΛΩϟογϡϒϩοΫ ɹͰϥοϓ͢Δ͚ͩͰ͑Δ
⿏Ωϟογϡͷಋೖ ɾར༻ྫ #FGPSFNT 7JFXTNTc"DUJWF3FDPSENT "GUFSNT 7JFXTNTc"DUJWF3FDPSENT 7JFXͰͷ"DUJWF3FDPSEԆධՁͳͷͰɺ͜ΕͰ0,
⿏Ωϟογϡͷಋೖ ɾίʔυΛಡΜͰΈΑ͏ʂ ཁɺLFZWBMVF͕͋ͬͨΒಡΈɺͳ͔ͬͨΒॻ͘
⿏Ωϟογϡͷಋೖ ɾதʁ 4USJOHͷΦϒδΣΫτ͕֨ೲ͞Ε͍ͯΔ
⿏Ωϟογϡͷಋೖ ɾߋ৽͍ͨ͠߹ʁ Ͱ͖Δ͚ͩ͘Ωϟογϡ͍͚ͤͨ͞Ͳɺߋ৽͍ͨ͠ ಛఆͷϑϥά͕͋ΔͱΩϟογϡΛߋ৽͢ΔΈ όονͰճ͢
⿏ը૾ͷѹॖ ɾ5JOZ1/(͕͓͢͢Ί
⿏ը૾ͷѹॖ ɾσβΠφʔ͔ΒόφʔΛ͕͋ͬͯ͘Δɺɺɺɺ Ͳ͕ͬͪը࣭͕͍͍ͱࢥ͍·͔͢ʁ)
⿏ը૾ͷѹॖ ɾύϯμͷҖྗ ,# ,# ͷѹॖʹޭʂ
⿏ը૾ͷѹॖ ɾࣗલͰѹॖ ɾ༻ྫ QOHRVBOUTQFFERVBMJUZCBDLHSPVOEQOH ɾRVBMJUZΛࢦఆͰ͖ΔͷͰศར ɾ͜ΕΛTZTUFNͱ͔Ͱୟ͚͍͍͔ CSFXJOTUBMMKQFHPQUJN CSFXJOTUBMMQOHRVBOU
⿏ը૾ͷ࠷దԽ ɾσόΠεʹ࠷దͳαΠζΛબ΅͏ খ ,# த ,# େ ,# શ෦Ұ൪େ͖͍αΠζΛݺΜͰͨ
⿏ը૾ͷ࠷దԽ ɾσόΠεʹ࠷దͳαΠζΛબ΅͏ খ ,# த ,# େ ,# 1$ .PCJMF
ߴ͔Ζ͏ɺΑ͔Ζ͏Ͱͳ͍ ͨΓલ
⿏ෆཁͳ֎෦ϑΝΠϧΛഉআ ɾද֨ ͜Εͱ͔ ؔऀ͍Βͬ͠ΌͬͨΒ͢Έ·ͤΜɺɺɺ ͜ΕΛΊͬͪΌSFOEFS͢Δͱ͔Γ͕ͪɺɺɺ
⿏XFCͷදࣔվળ݁Ռ ɾදࣔͷվળ ɹTFDTFD ഒ ɾ1BHF4QFFE*OTJHIUT
⿏XFCαʔόʔͷνϡʔχϯά ɾςοΫϒϩάߋ৽ʂ IUUQUFDIEFMZKQFOUSZ ΩϟογϡΛಋೖ͢Δ͜ͱͰ%#ͷෛՙ͕ݮ ΑΓଟ͘ͷϦΫΤετΛࡹ͚ΔΑ͏ʹ ͋ͨΓɺສਓಉ࣌ଓ༨༟
⿏ΩϟογϡΛ͍͍ײ͡ʹ͢ΔHFN ɾNJMMBT ϛϠε IUUQRJJUBDPNPLVUBLVJUFNTBCBF ྑ͍ײ͡ʹΩϟογϡΛࢄ͍͚ͤͨ͞ͲɺΩϟογϡ Ε͍͗ͨ͠ɺͰ͖Δָ͚ͩΛ͍ͨ͠ ৄࡉ2JJUBͰʂ
8FSFIJSJOH
͝੩ௌɺ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ