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Hatena::Letの式年遷宮
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Takafumi ONAKA
PRO
November 25, 2021
Technology
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Hatena::Letの式年遷宮
Hatena Engineer Seminar #17 はてラボの裏側編
https://hatena.connpass.com/event/230919/
Takafumi ONAKA
PRO
November 25, 2021
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Transcript
)BUFOB-FUͷࣜભٶ )BUFOB&OHJOFFS4FNJOBS େೳ࢙BLBJEPOL
ࣗݾհ w େೳ࢙BLBJEPOL w גࣜձࣾͯͳνʔϑΤϯδχΞ w ϊϕϧνʔϜॴଐ w νʔϜͰ8FCΞϓϦέʔγϣϯΤϯδχΞɺ ٕज़άϧʔϓશମͰϚωʔδϟۀΛ͍ͬͯ·͢
ࠓͷ
ࣜભٶ
ࣜભٶͱ w ҏਆٶͰɺʹҰɺ఼ࣾͱਆๅΛ৽ௐͯ͠େޚਆʹ͓ભΓ ئ͏ w ͕ഒ༻ҙ͞Ε͍ͯͯɺ͓͖ʹྡʹݐͯͯҠ͢ w ఼ࣾޚਆๅΛɺมΘΔ͜ͱͳ͘ܧঝ͠ଓ͚Δࡇ w ݐͦͷͷ͕ϨΨγʔ
ΦϦϯϐοΫͰฉ͍ͨํ ͳͷͰͳ͘ɺ ҡ࣋͢Δମ੍Λҡ࣋͢Δ
ιϑτΣΞʹ͓͚Δ ࣜભٶ
ιϑτΣΞࣜભٶͱ w ʹJELFOKJTLZXBMLFSʹΑͬͯఏএ͞Εͨ֓೦ w w ҏਆٶˍग़Ӣେࣾͷࣜભٶͷ w Πϯϑϥͷ#(σϓϩΠϝϯτΛ ࣜભٶʹݟཱͯͨ
IUUQTCMPHLFOKJTLZXBMLFSPSHTIJLJOFOTFOHPPJOGSBTUSBDUVSF
ιϑτΣΞࣜભٶͱ w ʹҰൠʹ·Δ w JEBOUJQPQ w +"84%":4*NNVUBCMF*OGSBTUSVDUVSFτϥοΫͷύωϧσΟεΧογϣϯ w JESZPUBSBJ w
ΫοΫύουͷαʔόϓϩϏδϣχϯάࣄΫοΫύου։ൃऀϒϩά w JENJSBLVJ w ΫοΫύουͷܧଓతͳͷͨΊʹ։ൃͱӡ༻͕ԿΛ͖ͯͨ͠ͷ͔ɺͦͷࣦഊͱ ޭʹ͍ͭͯ4QFBLFS%FDL
ιϑτΣΞࣜભٶͱ w JEFEWBLGʹΑΔ֦େղऍ w ์ஔ͕ͪ͠ͳࣾγεςϜͦࣜ͜ભٶ͍ͯ͜͠͏QJYJWJOTJEF w Πϯϑϥ͚ͩ͡Όͳ͘ιϑτΣΞࣜભٶ͢Δ w ఆظతʹ࡞Γ͢͜ͱͰɺϝϯςφϏϦςΟ্͕͠ɺ৽ن։ൃ ͔ΒͷֶͼಘΒΕΔ
ιϑτΣΞࣜભٶͱ w JEEBJLTZʹΑΓߋʹҙຯ͕Ճ͑ΒΕΔ w ϓϩμΫτΛӡ༻͢ΔνʔϜΛͭ͘Δ%FW4VNJ 4QFBLFS%FDL w શͯΛϑϧεΫϥονͰ࡞Γ͢લʹɺपظతʹखΛೖΕଓ͚Δ w ϓϩμΫτΛߏ͢Δཁૉ୯ҐͰ࡞Γ͢͜ͱͰϒϥοΫϘοΫε
ෛ࠴ʹͳΓ͔͚ͨཁૉΛϞμϯʹ͠ɺΤϯδχΞͷٕज़ܧঝΛߦ͏ w ࡞Γͨ͠ޙɺભٶࢀՃऀͦͷཁૉʹҰ൪ৄ͍͠ঢ়ଶʹͳΔ
ࠓͷ w ιϑτΣΞࣜભٶͱ w )BUFOB-FUͷྺ࢙ w ભٶͷϦΞϧ w ·ͱΊ
)BUFOB-FUͱ w ϒοΫϚʔΫϨοτΛ͔ΜͨΜʹ࡞ɾެ։Ͱ͖ΔϥϘαʔϏε
)BUFOB-FUͷྺ࢙ w w αʔϏε։ൃ߹॓ͰJETFDPOEMJGFͱJEDIP͕։ൃ w ༨ஊɿಉ͡։ൃ߹॓Ͱ࡞ΒΕͨͷ͕)BUFOB)BJLV w w
ϥϘαʔϏεͱͯ͠ެ։
)BUFOB-FUͷྺ࢙ w w JETFDPOEMJGFୀ৬ w w JEDIPୀ৬ w
JETBNQMF͕Ҿ͖ܧ͙ w w JETBNQMFୀ৬ w ༗ࢤͷΦʔφʔෆࡏʹ w 41'νʔϜ͕Φʔφʔͱͯ͠ϝ ϯςφϯε ˞ެ։ใ͕ݟ͔ͭΒͳ͍ͷͰԾ໊ɻ
)BUFOB-FUͷྺ࢙ w w JEPOLೖࣾ w w ΦʔφʔҾ͖ܧ͗ w
Ҿ͖ଓ͖ϝϯςφϯεϞʔυ w w ͞Α͏ͳΒ1FSMɺ͜Μʹͪ3VCZ
ભٶͨ͠
ભٶͱ͍͏બʹࢸΔ·Ͱ w ϦϦʔε࣌ ͷٕज़ w ͯϥϘαʔό w ͯͳ͕"84Λ͍ग़ͨ͠ͷ w
ͯϥϘ%# w ڞ௨%#Ϟσϧ w )BUFOBϑϨʔϜϫʔΫ 1FSM w 3JEHF .P$P w ͬ͘͟Γݴ͏ͱ3BJMT͙Β͍ʹ૬
ભٶͱ͍͏બʹࢸΔ·Ͱ w ʹ࡞ΒΕͨ··ɺࡉʑͱϝϯςφϯε͞Ε͍ͯΔ w &$Ҡసڞ௨%#ग़ߦΘΕͨ w %#ͷεΩʔϚϕετͰͳ͍ w 3JEHF .P$Pͷ··ϝϯςφϯε͢Δͷίετ͕ߴ͍
w 3JEHFMBTUDPNNJU w .P$PMBTUDPNNJU w ࣦΘΕٕͨज़ελοΫ
αʔϏεΛ࡞Δͱ͖ͷ࣠ w αʔϏεΛ࡞Δͱ͖ҎԼͷ࣠Ͱߟ͑Δ͜ͱ͕ଟ͍ɻ ಧ͚ΔͱɺϢʔβʹՁ͕͋Δ͔Ͳ͏͔ IUUQTXXXTMJEFTIBSFOFUUBLBGVNJPOBLB
αʔϏεΛ࡞Δͱ͖ͷ࣠ w ୈݶʮΔʯ w ୈݶʮΒͳ͍ʯ w ୈݶʮ༠ʯ w ͙͢Ͱ͖Δ͚ͲɺͦΜͳʹՁͳ͍ w
ଞͷ༏ઌ՝͕͋Δ͔͠Εͳ͍ w ᆵʹੴˠ࠭ˠਫΛ٧ΊΔͬͯίϐϖ͕͋ΔΑͶʁ IUUQTXXXTMJEFTIBSFOFUUBLBGVNJPOBLB
αʔϏεΛ࡞Δͱ͖ͷ࣠ w ୈݶΛҰ൪ߟ͑ͳ͖Ό͍͚ͳͯ͘ɺ Ձ͕͋Δ͔Βͥͻ࡞Γ͍ͨɻ͚Ͳ࡞Δͷ ͕͍͠ػೳ w ͜ΕΛ࣮ݱ͢Δͷ͕ϓϩάϥϚͱͯ͠ͷͷ ݟͤॴʹͳΔ IUUQTXXXTMJEFTIBSFOFUUBLBGVNJPOBLB
αʔϏεΛ࡞Δͱ͖ͷ࣠ w ϑϨʔϜϫʔΫʮՁ͕͋Δ͜ͱΛ͙͢࡞ ΕΔΑ͏ʹ͢Δʯͷ͕ w ୈݶΛୈݶʹม͑Δ w ͘͠ୈݶΛັྗత࣭·ͰߴΊΔ ͜ͱͰୈݶʹม͑Δ w
ͦ͜ʹد༩͠ͳ͍ͳΒෆཁ IUUQTXXXTMJEFTIBSFOFUUBLBGVNJPOBLB
ભٶͱ͍͏બʹࢸΔ·Ͱ w શͯΛঠѲͯ͠ɺϝϯς͍͖͍ͯͨ͠ w ಛʹ%#ϦϑΝΫλϦϯάΛ͍ͨ͠ w ࠓͷϑϨʔϜϫʔΫՁʹد༩͍ͯ͠ͳ͍ w ؆୯ʹ%#ΛมߋͰ͖Δ͔ʁݱࡏʹ͓͍ͯ/P w
ັྗత࣭ΛੜΜͰ͍Δ͔ʁݱࡏʹ͓͍ͯ/P
ભٶ༻ͷٕज़બఆ w Πϯϑϥϊʔλον w 4JOBUSB "DUJWF3FDPSE w &3# w TUBUJD
fi MFTϊʔλον
ͬͨ͜ͱ w .P$P"DUJWF3FDPSEʹม w ςʔϒϧఔͩͬͨͷͰɺؾ߹͍ w ͦͦ͜͜"3ͷதΛͬͯͳ͍ͱ͔ͬͨ͠ͱࢥ͏ w 1,͕ແ͍ςʔϒϧΛɺ1,ඞਢͳ03.Ͱѻ͏ w
φνϡϥϧΩʔ1,ͳؔ࿈ςʔϒϧΛɺαϩήʔτΩʔΛظ͢ Δ03.Ͱѻ͏
ͬͨ͜ͱ w "DUJWF3FDPSEೖͷৗखஈ w ଞͷϦϙδτϦͰ͍ͬͯΔ w ϝϯς༻ͷ3&1-03.͕ཉ͍͠ w σʔλΛཧղ͢ΔͨΊͷ࠷खஈ ۭͰ&3ਤ͕ॻ͚ΔΑ͏ʹͳΔ·Ͱࣸܦ͢Δ
w ֶʹԦಓͳ͠ IUUQTEFWFMPQFSIBUFOBTUB ff DPNFOUSZ
ͬͨ͜ͱ w 3JEHF4JOBUSBʹม w 3&45GVMͰͳ͍63-͕ΘΕ͍ͯΔ͕શͯҡ࣋ͨ͠ w ঠѲ͕ઌɺมߋޙ w ٱʑʹTJOBUSBBQQΛ࡞ͬͨJEPOLͷͯͳϒϩά
ͬͨ͜ͱ w 9TMBUF&3#ʹม w ϑΝΠϧఔͩͬͨͷͰɺͦ͜·Ͱखؒ͡Όͳ͍ w 9TMBUF͔Β&3#ͳΒͦͷ··༁Ͱ͖Δ w ͕͜͜؆୯Ͱ͋ͬͯཉ͍͠ͷͰαʔόଆͰ)5.-ΛϨϯμϦϯά ͢ΔखஈΛબΜͩ
͡Ί͔ΒΓ͍ͨ͠ީ܈ IUUQTXXXIZVLJDPNLPLPSPIBKJNF
શ෦ಡΉͱ͔ͬͨ໘നϙΠϯτ w ʮʯ۠ΓͷΫΤϦύϥϝʔλ͕ଘࡏ͍ͯ͠Δ w IUUQTPOLIBUFOBCMPHKQFOUSZ w 7BMJEͰ͋Δ͕ɺ࣮ࡍ63-&TDBQFͯ͠͠·͏Ϋϩʔϥ͕ଘࡏ͠ ͍ͯͨ w *OରԠ͍ͯͨ͠
w ϝχϡʔϘλϯͷจݴ͕ӳޠʹ
શ෦ಡΉͱ͔ͬͨ໘നϙΠϯτ w *&41ରԠ w 63-ͷ੍ݶ͕Ωπ͍ จࣈ ͨΊɺNJOJGZͯ͠ AKBWBTDSJQU GVODUJPO \^
AܗࣜͩͱɺΑ͋͘;ΕΔ w ҰఆҎ্ͩͱTDSJQUλάΛૠೖ͢ΔϒοΫϚʔΫϨοτʹͳΔ Έʹͳ͍ͬͯΔ w .JYFEDPOUFOUT$POUFOU4FDVSJUZ1PMJDZͷӨڹΛड͚Δ
ͰݟΔભٶ w HJUTIPXYYYTUBUT w )FMMP 3VCZ w fi MFTDIBOHFE
JOTFSUJPOT EFMFUJPOT w #ZF1FSM w fi MFTDIBOHFE EFMFUJPOT w ͍͍͙ͩͨΒ͍ͷίʔυྔʹ
ભٶޙʹͬͨ͜ͱ w "DUJWF3FDPSEͰྑ͔ͬͨʂ w JHOPSF@DPMVNOTDBMMCBDLΛۦͯ͠ɺຊ൪%#ϦϑΝΫλϦϯάΛ ࣮ݱՄೳͩͬͨ w Ϩʔϧ͔Β֎ΕͨσʔλϕʔεΛѻ͏POLOJOKB w ओΩʔ͕ແ͍ςʔϒϧෳ߹ओΩʔαϩήʔτΩʔΛՃ͢Δ
w UJNFTUBNQTΛݟ׳ΕͨYYY@BUʹϦωʔϜ w φνϡϥϧΩʔΛͨ͠Γɺςʔϒϧ͝ͱ࡞Γͨ͠Γ
ભٶޙʹͬͨ͜ͱ w 63-ΛϦιʔεࢤʹγϑτ w 1045࣌ʹΫΤϦύϥϝʔλͱ#PEZ͕྆ํ͋ͬͨΒͲ͏ѻΘΕΔ ͷ͔ɺΈ͍ͨͳΈͲ͜Ζ͕͋ͬͨɻͷͰݮΒͨ͠ w 'PSL(&5Ͱͳ͘1045Λ͏ w Ϋϩʔϥ͕(&5ϦϯΫΛݟ͚ͭͯɺΫϦοΫ͍ͯͨ͠
w ຖճ͙Β͍ɺΫϩʔϥ͕ ϦμΠϨΫτ͞Εͯ ϩάΠϯ ը໘Λදࣔͯ͠ɺఘΊ͍ͯͨ
ભٶޙʹͬͨ͜ͱ w ΠϯϑϥΛϚωʔδυԽ w 1FSM࣌&$ &$ .Z42- w ࠓ"-#
&$4 "VSPSB &MBTUJ$BDIF 3FEJT
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ίϛϡχέʔγϣϯͷتͼ w Ϣʔβ͞Μ͍߹ΘͤͤͣʹɺαʔϏε্Ͱෆ۩߹ͷಈ࡞֬ೝΛ ͯ͘͠ΕΔ w ࠶ݱ͢Δ࠷খίʔυΛߘͯ͘͠ΕΔͷੌ͗͢Δ w 501ϖʔδΛோΊ͍ͯͨΒݟ͚ͭͨ
ίϛϡχέʔγϣϯͷتͼ w ରԠ͓ͯ͘͠ͱԠ͕͋Δ
ίϛϡχέʔγϣϯͷتͼ w ߋʹରԠ͓ͯ͘͠ͱԠ͕͋Δ w จ௨ͷΑ͏ͳָ͠Έ
ࠓޙͷల։ w (SFBTFNPOLFZʹͲ͜·Ͱ͔ۙͮ͘ w ྫ͑(SFBTZ'PSLͱ͍͏ڝ߹αʔϏε͕͋Δ w Πϯετʔϧͱ͔ΛऔಘͰ͖ΔΑ͏ʹͳΔͱެ։͢Δָ͕͠͞ ૿͑Δ w ݕࡧ͍ͨͬͯ͠ʹ্खʹରԠ͍ͨ͠
ࠓޙͷల։ w HSBQIRMSVCZΛಋೖͯ͠ϑϩϯτΤϯυ৽ w %#վળ͕ऴΘͬͨͷͰɺ͘͢͝ѻ͍͘͢ͳͬͨ w 3VCZͳͷͦͷ··Ͱྑ͍͔ͳ͊ w )BUFOB-FUΛ࡞ͬͨJETFDPOEMJGFɺͯͳͰ3VCZΛ͍ଓ ͚͍ͯͨਓͳͷͰɺҙࢤΛܧ͍Ͱ͍͘ʢʁʣ
w 1FSMͷձࣾͰΘΕΔ3VCZͷར༻๏ͱ ຊ3VCZΧϯ ϑΝϨϯε
ࠓޙͷల։ w ΠϯϑϥߏͰ༡Ϳ w ݱࡏ"-# &$4 "VSPSB &MBTUJ$BDIF 3FEJT
w ͜͏ͯ͠ΈΔʁ w $MPVE'SPOU "1*(BUFXBZ $MPVE.BQ &$4 "VSPSB %ZOBNP%# w $MPVE'SPOU "1*(BUFXBZ -BNCEB "VSPSB %ZOBNP%# w SFRNJOະຬͳΒ"1*(BUFXBZ"-#ΑΓ͓ಘ w ίετ͕͘ͳΔͱ࣋ଓՄೳੑ͕ߴ·Δ w ͪΐͬͱ໘ന͍ߏͲΜͲΜࢼ͓͖͍ͯͨ͠
ࣾͷඪ४ελοΫͷҰาྡΛߦ͘ w ਖ਼͍͠ϥϘαʔϏεͷ࢟ w ࠷ۙͷͯͳͷඪ४ٕज़ελοΫHRMHFO /FYUKT w ࣅ͍ͯΔ͕গ͠ҧ͏ٕज़Λ͏͜ͱͰɺࣝͷ෯Λ͛Δ w ͜Ε͕બखˍ)BUFOB-FU͕ΞϓϦέʔγϣϯͱͯ͠খ͍͔͞Β
બͿํ๏ w ׳Ε͍ͯͳ͍PSෳࡶͳཁ͕݅͋ΔͳΒɺಉٕ͡ज़ΛෳΞϓϦέʔγϣ ϯͰ͏ํ͕༧֎ͷཁ݅Ͱߥʹᎍ·ΕΔ͜ͱʹͳΓɺਂΈ͕ग़Δ
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