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日経電子版アプリが高速化のためにやったこと
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Taishi Takeichi
October 27, 2015
Programming
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日経電子版アプリが高速化のためにやったこと
2015/10/27 RealmMeetup #8 at Sansan
Taishi Takeichi
October 27, 2015
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Transcript
ܦిࢠ൛ΞϓϦ͕ ߴԽͷͨΊʹͬͨ͜ͱ ຊܦࡁ৽ฉࣾɹࢢେࢤ
ɾେֶଔۀޙɺόϯυ׆ಈɻ ɾɺ8FC։ൃձࣾʹೖࣾɻ8FCΤϯδχΞͱͯ͠ಇ͘ɻ ɹ+BWBTDSJQU"DUJPO4DSJQU-".1ڥͰͷ։ൃ ɹ'9औҾͷ8FCΞϓϦ։ൃͳͲʹैࣄɻ ɾɺຊܦࡁ৽ฉࣾʢຊࣾʣʹೖࣾɻ ɹαʔϏε։ൃͷϞόΠϧɾΞϓϦνʔϜʹଐɻ ࣗݾհ
ࠓ͓͍ͨ͜͠͠ͱ ɾܦిࢠ൛ʹ͍ͭͯͷ͝આ໌ ɾܦిࢠ൛ΞϓϦ͕͔ͬͨݪҼ ɹʢΞϓϦىಈʙσʔλऔಘʙը໘දࣔʣ ɾ͘͢ΔͨΊʹͬͨ͜ͱ
ܦిࢠ൛ʹ͍ͭͯ
ܦిࢠ൛ ɾ݄̏ץ ɾϝΠϯϓϩμΫτɺ ɹ1$αΠτɾεϚϗαΠτɾిࢠ൛ΞϓϦɾࢴ໘ϏϡʔΞΞϓϦ ɾຊܦࡁ৽ฉேץɾ༦ץͷશهࣄɺ8FCݶఆͷΦϦδφϧهࣄɺ ɹ͜ΕΒͷهࣄΛύʔιφϥΠζͯ͠ఏڙ͢Δ.Zχϡʔε
༗ྉձһ ສਓɹ ແྉձһ ສਓ ະొϢʔβʔ ສ6# શهࣄɾશػೳ ʢ ԁʗ݄ʣ ແྉهࣄ
༗ྉهࣄຊʗ݄ ແྉهࣄ ܦిࢠ൛
ܦిࢠ൛ΞϓϦʹ͍ͭͯ
ܦిࢠ൛ΞϓϦ ɾʹϦϦʔεɻ ɹ݄ʹϦχϡʔΞϧʢθϩ͔Β։ൃʣ ɾαʔόαΠυ"84ɻ ɾϑϩϯταΠυΛ֎෦ϝϯλʔͷ ɹྗΛआΓͭͭԽɻ ɾݱঢ়ͷମ੍ ɹɹ1.໊ ɹɹJ04ΤϯδχΞ໊̍ʴϝϯλʔ ɹɹ"OESPJEΤϯδχΞ໊̍ʴϝϯλʔ
جຊతͳը໘ͷߏ Ұཡ هࣄ ֊
؆୯ͳߏਤ "1* جຊతʹ$%/͔ΒσʔλʢKTPOʣΛ [JQϑΝΠϧͰऔಘ
؆୯ͳߏਤ "1* جຊతʹ$%/͔ΒσʔλʢKTPOʣΛ [JQϑΝΠϧͰऔಘ ࠓ͜ͷΜͷߴԽͷ
ܦిࢠ൛ΞϓϦ͕͔ͬͨݪҼ
σʔλྔ͕ଟ͍ ܦిࢠ൛ΞϓϦ͕͔ͬͨݪҼ
ேץɾ༦ץ ɾϖʔδ ɾຊͷهࣄ ɾจࣈສจࣈ ɹ৽ॻ̎ ిࢠ൛ʢ8FCץʣ ɾ8FCΞϓϦ͚ͩͰಡΊΔهࣄ ɾ̍ຊͷهࣄ ʹ̍ຊͷهࣄ هࣄ͕ଟ͍
ʢʣݟग़ͦ͠ͷ̍ ʢʣݟग़ͦ͠ͷ̎ ʢʣݟग़ͦ͠ͷ̏ ʢʣهࣄͷެ։࣌ ʢʣهࣄͷߋ৽࣌ ʢʣ༗ྉձһݶఆهࣄ͔Ͳ͏͔ ʢʣهࣄʹಈը͕͋Δ͔Ͳ͏͔ ʢʣهࣄΛอଘ͍͍͔ͯ͠Ͳ͏͔ ʢʣهࣄ͕ॴଐ͢Δ࿈ࡌɾίϥϜ໊ ʢʣهࣄຊจ
ʢʣهࣄຊจͷεχϖοτ ʢʣαϜωΠϧը૾ʢαΠζʹΑͬͯछྨʣ ʢʣαϜωΠϧը૾ͷΫϨδοτ ʢʣؔ࿈هࣄ ɾɾɾ ̍هࣄ͋ͨΓͷ߲͕ଟ͍
هࣄͷը૾࠷ॳʹ·ͱΊͯऔಘ͍ͯͨ͠ ςΩετը૾ؚΊΔͱɺ ಊʑͷ .#ʂʂ
ඥ͚͕ଟ͍ ܦిࢠ൛ΞϓϦ͕͔ͬͨݪҼ
τοϓ ใ Ϗδωε Ϧʔμʔ Ϛʔέοτ Ϛωʔ ిࢠ൛ʢ8FCץʣ ςΫϊϩδʔ τοϓ YYY
YYY YYY YYY τοϓ YYY YYY YYY YYY ேץɾ༦ץ ֊ߏ͕ਂ͍ ɾɾɾ ɾɾɾ ϥΠϑ εϙʔπ ө૾ ୈ̍֊ ୈ̎֊ ୈ̏֊ ୈ̐֊ هࣄ
هࣄը૾ ؔ࿈هࣄ هࣄ όοΫ φϯόʔ -- - . 4 ΫϨδοτ
63- ෯ ߴ͞ هࣄ͔Βઌͳ͔ͳ͔ͷߏ ɾɾɾ ༻ޠ اۀ໊ גՁͳͲ اۀ֓ཁ ؔ࿈هࣄ YYY ຊจ ɾɾɾ
͘͢ΔͨΊʹͬͨ͜ͱ
औಘ͢ΔσʔλྔΛݮΒ͢ ͘͢ΔͨΊʹͬͨ͜ͱ
ɾը૾[JQ͔Βऔಘͤͣʹɺදࣔ͢Δ࣌ʹऔಘ͢Δ ɹˠ௨৴ڥ͕̑લΑΓେ෯ʹվળ ɾਂ͍֊දݱ͠ͳ͍͜ͱʹͯ͠ɺ֊ใྔΛݮΒ͢ ɹˠͲ͏ͤεϚϗը໘Ͱදݱ͖͠Εͳ͍ ɾΘͳ͍αΠζͷը૾ใऔಘ͠ͳ͍ औಘ͢ΔσʔλΛݮΒ͢
औಘ͢ΔσʔλΛݮΒ͢ .#ɹɹ,ʙ, ɾը૾[JQ͔Βऔಘͤͣʹɺදࣔ͢Δ࣌ʹऔಘ͢Δ ɹˠ௨৴ڥ͕̑લΑΓେ෯ʹվળ ɾਂ͍֊දݱ͠ͳ͍͜ͱʹͯ͠ɺ֊ใྔΛݮΒ͢ ɹˠͲ͏ͤεϚϗը໘Ͱදݱ͖͠Εͳ͍ ɾΘͳ͍αΠζͷը૾ใऔಘ͠ͳ͍
KTPOϑΝΠϧΛෳʹ͚Δ ͘͢ΔͨΊʹͬͨ͜ͱ
֊ߏσʔλ ֤هࣄҰཡσʔλ [JQͷKTPOϑΝΠϧΛෳʹ͚Δ هࣄ"ͷσʔλ ϚελʔKTPO هࣄKTPO ɾɾɾ هࣄ#ͷσʔλ هࣄ$ͷσʔλ هࣄ%ͷσʔλ
֊ߏσʔλ ֤هࣄҰཡσʔλ هࣄ"ͷσʔλ ϚελʔʴهࣄKTPO ɾɾɾ هࣄ#ͷσʔλ هࣄ$ͷσʔλ هࣄ%ͷσʔλ
֊ߏσʔλ ֤هࣄҰཡσʔλ KTPOϑΝΠϧΛෳʹ͚Δ هࣄ"ͷσʔλ ϚελʔKTPO هࣄKTPO ɾɾɾ هࣄ#ͷσʔλ هࣄ$ͷσʔλ هࣄ%ͷσʔλ
֊ߏσʔλ ֤هࣄҰཡσʔλ هࣄ"ͷσʔλ ɾɾɾ هࣄ#ͷσʔλ هࣄ$ͷσʔλ هࣄ%ͷσʔλ [JQ[BQΛͬͯɺ[JQΛղౚͤͣʹ ͦͷ࣌ʹඞཁͳKTPOσʔλ͚ͩऔΓग़͢ ϚελʔʴهࣄKTPO
σʔλ֊ΛͳΔ͘ϑϥοτʹ͢Δ ͘͢ΔͨΊʹͬͨ͜ͱ
ேץɾ༦ץͷҰཡʹ࣮֊ߏ͕ɾɾ ֊ΛϑϥοτʹͰ͖Δͱ͜Ζ͢Δ هࣄ ࢠهࣄ ࢠهࣄ ࢠهࣄ ଙهࣄ هࣄ ࢠهࣄ ࢠهࣄ
ࢠهࣄ ଙهࣄ ϓϩύςΟͰ͔ࢠ͔ଙ͔Λ࣋ͭ
ΞϓϦͷσʔλऔಘॲཧϑϩʔ [JQϑΝΠϧΛऔಘ ҰཡใͷσʔλΛऔΓग़ͯ͠ɺ Ұ෦֊Λϑϥοτʹͯ͠ɺ3FBMNʹอଘ Ұཡ͔ΒهࣄભҠͨ࣌͠ʹɺ هࣄใͷσʔλΛऔΓग़ͯ͠ɺ3FBMNʹอଘ
$PSF%BUBˠ3FBMN ͘͢ΔͨΊʹͬͨ͜ͱ
3FBMNͷ͍͍ͱ͜Ζ σʔλଆɾ"1*ଆΛͯ͠ɺ $PSF%BUBͷॲཧʹݶք͕͋ͬͨɾɾɾ ɾ$PSF%BUBؔ࿈Λ͚ͭͨΦϒδΣΫτΛ·ͱΊͯ݅΄Ͳอଘ͢Δͱɺ ɹύϑΥʔϚϯε͕ٸܹʹམͪΔɻ ɹˠσʔλඥ͚͕ଟ͍ܦిࢠ൛ΞϓϦʹ͍͍ͯͳ͍ɻ ɾ3FBMNؔ࿈Λ͚ͭͯߴͰಈ࡞͢Δɻ ɾςʔϒϧͷఆ͕ٛෆཁͰɺϞσϧͷఆ͕ٛͦͷ··ө͞ΕΔɻ શൠతʹ3FBMNʹΓସ͑ͨɻ
3FBMNͷͪΐͬͱ໘ͳͱ͜Ζ ɾOJM͕ೖΕΒΕͳ͍ ɹˠσϑΥϧτΛઃఆͯ͠ɺۭจࣈͳͲΛೖΕͨ ɹˠೖΕΒΕΔΑ͏ʹͳͬͨʂ ɾεϨουΛ·͍ͨͰͷΦϒδΣΫτͷࢀর͕Ͱ͖ͳ͍ ɹˠࣄલʹϓϥΠϚϦʔΩʔΛϩʔΧϧͰอ࣋ͯ͠ɺ ɹɹͦΕΛ༻ͯ͠ҧ͏εϨουͰऔಘͨ͠ ɾΧεέʔυআ͕Ͱ͖ͳ͍ ɹˠআ͢ΔϓϩύςΟ໊Λฦ͢ϝιουͱɺ ɹɹରͱͳΔϓϩύςΟΛআ͢ΔϝιουΛࣗ࡞ͨ͠
#FGPSF $PSF%BUBˠ3FBMNͰॖͰ͖ͨ࣌ؒ J1IPOFʗJ04Ͱɺ͋ΔͷேץΛऔಘ
#FGPSF "GUFS $PSF%BUBˠ3FBMNͰॖͰ͖ͨ࣌ؒ J1IPOFʗJ04Ͱɺ͋ΔͷேץΛऔಘ
#FGPSF "GUFS $PSF%BUBˠ3FBMNͰॖͰ͖ͨ࣌ؒ J1IPOFʗJ04Ͱɺ͋ΔͷேץΛऔಘ ༧Ҏ্ͷߴԽʹɺ ࣾͰ͓͡͞·ͨͪΛத৺ʹڻ͖ͷʂ
·ͱΊ
·ͱΊ ɾσʔλߏ"1*ɾΞϓϦͷ྆໘͔ΒߴԽ ɾ࣌ʹαʔϏεͷཁ݅Λม͑Δ͜ͱඞཁ ɾͦͯ͠3FBMN͔ͬͨ ܦిࢠ൛ΞϓϦɺ ·ͩ·ͩΞοϓσʔτ͍͖ͯ͠·͢ɻ ࢴ໘ϏϡʔΞΞϓϦͰ3FBMNΛɻ
ܦిࢠ൛ͰɺΤϯδχΞΛืू͍ͯ͠·͢ɻ ɾϑϩϯτΤϯυͰόοΫΤϯυͰ0, ɾͱΓ͋͑ͣ৬ͷ͍ͧͯΈ͍ͨɺͰ0, Լه·Ͱؾܰʹ࿈བྷ͍ͩ͘͞ɻ EH@MBC!OFYOJLLFJDPKQ
͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ