パフォーマンス改善のケーススタディ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 'SPOUSFOE7PM%FDUI ,PUB:BOBHJ !QBHV ύϑΥʔϚϯεվળͷ έʔεελσΟ

"CPVUNF DISPNFEFWTVNNJUCSJFpOHTFTTJPO ,PUB:BOBHJ༄ɹߞଠ !QBHV w $ZCFS"HFOU *OD೥৽ଔೖࣾ w "NFCBϒϩάॴଐ w
ϑϩϯτΤϯυΤϯδχΞ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ຊεϥΠυͰѻ͏಺༰

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w (FU%PXOUP#VTJOFTT8IZUIF8FC.BUUFST w 4UBUFPGUIF6OJPOGPS4QFFE5PPMJOH w 4QFFE&TTFOUJBMT,FZ5FDIOJRVFTGPS'BTU 8FCTJUFT w .PEFSO8FCTJUFTGPS&DPNNFSDFJOUIF3FBM
8PSME

DISPNFEFWTVNNJUCSJFpOHTFTTJPO (FU%PXOUP#VTJOFTT8IZUIF 8FC.BUUFST 8FCύϑΥʔϚϯε͕ॏཁͰ͋Δཧ༝

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ճઢ଎౓͕஗͍ࠃ͕·ͩଟ͋͘Δ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4QPUJGZ w ೥࣌఺Ͱ8FCαΠτʹ͸ΞϓϦ%-ͷಋઢ͕͋Δ ͚ͩ w τϥϑΟοΫࣗମ͸ͦΕͳΓʹ͋ͬͨ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4QPUJGZ w ϒϥδϧͰͷϢʔβʔςετ w ̎̐࣌ؒҎ಺ͷ࠶ੜ཰ɿ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w .FEJBTFTTJPO"1* w "EEUPIPNFTDSFFO w 1SPUFDUFEDPOUFOU

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ̍೔Ҏ಺ͷ࠶ੜ཰ɿ૿ w ೔ޙͷΞΫςΟϒϢʔβʔ਺ɿ૿ w ೔Ҏ্ར༻ͯ͠ͳ͔ͬͨϢʔβʔͷ෮ؼ཰ɿ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ΞϓϦͱḮ৭ͳ͍ମݧ w ৴པੑ w ଎͞ w Τϯήʔδ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ΦϑϥΠϯαϙʔτ w Ϣʔβʔ৘ใͷอଘ w ύϑΥʔϚϯεվળ w ҆શָ͔ͭͳϩάΠϯ w
ϗʔϜը໘ʹ௥Ճ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ωΠςΟϒΞϓϦ͕ಈ͔ͳ͍؀ڥͰ΋࢖͑ΔΑ͏ʹ w σεΫτοϓαΠτͰͷ69͕޲্ w 4UBSCVDLT3FXBSETͷXFCܦ༝Ͱͷొ࿥ɿˋ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ॳճಡΈࠐΈ࣌ؒɿ w +BWB4DSJQUɿ,#ˠ,# w $44ɿ,#ˠ,#

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w -PHHJOH w 1JOOFS8BJU5JNFͷܭଌ w "MFSU w όϯυϧαΠζͷ؂ࢹ w
1SFWFOUJPO w ϞόΠϧͰσεΫτοϓ༻ͷίʔυΛ࢖Θͳ͍Α͏ʹ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w िؒϢʔβʔ͕ɿ૿ w ηογϣϯܧଓ͕࣌ؒɿ૿ w Ϣʔβʔొ࿥͸ϞόΠϧ8FC͕࠷΋ଟ͘ͳͬͨ w ଳҬ෯͕ݶΒΕͯΔ஍ҬͰͷ੒௕ w
िؒϢʔβʔɿ૿ w Ӿཡ͞Εͨϐϯ਺ɿ૿

8PSME

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4UBUFPGUIF6OJPOGPS4QFFE 5PPMJOH ύϑΥʔϚϯεվળʹ༻͍Δπʔϧ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO r1FUFS%SVDLFS l:PVDBO`UJNQSPWFXIBUZPV %PO`UNFBTVSFz

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 8FCͷओͳࢦඪ w 'JSTU$POUFOUGVM1BJOU w 5JNFUP*OUFSBDUJWF w 'JSTU*OQVU%FMBZ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ͦΕͧΕΛଌΔͨΊͷπʔϧ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO -JHIUIPVTFW w 18"3FGBDUPS w ࣮ߦ࣌ؒඵඵ w ྘ʹͳΔͨΊͷ఺਺ w 'BTU(ͷϥϕϧ͕4MPX(ʹมߋ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 18"3FGBDUPS

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ଞͷπʔϧͱͷ౷߹ w $BMJCSF w USFP w 4QFFE$VSWF w XFCEFW
w 4RVBSF4QBDF

DISPNFEFWTVNNJUCSJFpOHTFTTJPO XFCEFW

DISPNFEFWTVNNJUCSJFpOHTFTTJPO $S69 w ࠃ͝ͱͷσʔληοτ͕࢖༻ग़དྷΔΑ͏ʹͳͬͨ w $S69%BTICPBSE

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 1BHF4QFFE*OTJHIUT w -JHIUIPVTFΛ෼ੳΤϯδϯʹ࢖༻ w 1FSGPSNBODFͷτοϓείΞΛఏڙ w 'JFME%BUBʹ$S69Λར༻͢ΔΑ͏ʹͳͬͨɻ

8PSME

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4QFFE&TTFOUJBMT,FZ 5FDIOJRVFTGPS'BTU8FCTJUFT 8FCαΠτߴ଎ԽͷͨΊͷςΫχοΫ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ϞόΠϧͷϦιʔε࢖༻཰ *NBHFT +BWB4DSJQUT 'POUT

DISPNFEFWTVNNJUCSJFpOHTFTTJPO *NBHFT w ద੾ͳϑΥʔϚοτʹ͢Δ w ద੾ʹѹॖ͢Δ w ద੾ͳαΠζɺղ૾౓ w -B[Z-PBE
w ͜ΕΒͷ͜ͱΛࣗಈԽ͢Δ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ద੾ͳϑΥʔϚοτʹ͢Δ (*' .# .1&( ,#

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 5XJUUFSͷ(*'ը૾

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 8FC1

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 8FC1 w +1&(΍1/(Λ࢖͏ΑΓ΋d࡟ݮ w 8FC1ະରԠϒϥ΢βରԠ΋؆୯

DISPNFEFWTVNNJUCSJFpOHTFTTJPO <picture> <source type="image/webp" srcset=“flowwer.webp”> <source type="image/jpeg" srcset=“flowwer.jpg"> <img src="flower.jpg">
</picture>

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ద੾ʹѹॖ͢Δ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ඇՄٯѹॖ༻ͷπʔϧ w *NBHFNJO͕Ұൠతͳπʔϧ w 8FCQBDL w /PEFKT w (VMQ
w (SVOU w 4IFMM

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4RVPPTI

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ద੾ͳαΠζɺղ૾౓ w େ͖͍ը૾͸σʔλͷసૹྔ͚ͩͰ͸ͳ͘$16ʹෛՙ Λ͔͚Δ w dαΠζͷը૾Λ༻ҙ͓ͯ͘͠ͷ͕ྑ͍

DISPNFEFWTVNNJUCSJFpOHTFTTJPO -B[Z-PBE w 4QPUJGZ͸.#͋ΔϦιʔεΛ-B[Z-PBEͰ཈͑ͯΔ w /BUJWF-B[Z-PBE΋࣮૷༧ఆ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO +BWB4DSJQU w 4QMJUCVOEMF w 1SFMPBE w ඞཁͳϑΝΠϧͷਫ਼ࠪ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w 1SFMPBE w $PEF4QMJUUJOH w ϧʔτϨϕϧͰߦ͚ͬͨͩͰ,#ˠ,# w 1FSGPSNBODF#VEHFU w
νϟϯΫ͝ͱʹ,ͷ#VEHFUΛઃఆ

8PSME

DISPNFEFWTVNNJUCSJFpOHTFTTJPO .PEFSO8FCTJUFTGPS& DPNNFSDFJOUIF3FBM8PSME &$αΠτʹ͓͚ΔύϑΥʔϚϯεվળ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO Ϟμϯͳ&$αΠτΛ࡞ΔͨΊͷٕज़

DISPNFEFWTVNNJUCSJFpOHTFTTJPO 4BBUWBͷࣄྫ w ৄࡉը໘Λ".1Խ w Χʔτ͸௨ৗϖʔδͩͬͨͨΊɺεϐʔυͷ͕ࠩੜͨ͡ w ͜Ε͸69తʹྑ͘ͳ͍ w Χʔτϖʔδ΋".1Խ͠ৄࡉ໘͔ΒΧʔτʹ௥Ճग़དྷ
ΔΑ͏ʹ w λοϓͷಈ࡞͕ඞཁͩͬͨͷ͕λοϓʹݮগ w ίϯόʔδϣϯ཰ɿ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO Ұ؏ੑΛอͭͨΊʹඞཁͳཁૉ ૊৫ͷڠྗ ٕज़తΞϓϩʔν ޮՌܭଌ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ૊৫ͷڠྗ w ύϑΥʔϚϯεվળ͸૊৫શମͷ՝୊ w ίϯςϯπɿ࠷దԽ͞Ε͍ͯͳ͍ը૾ͷ഑৴ w ϚʔέςΟϯάɿܭଌ༻ͷλά͕ॏ͍

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ϚʔέςΟϯάνʔϜͱٕज़νʔϜΛ૊৫౷߹ w ͦΕΛ$.0͕཰͍ͯԣ࣠૊৫Λܗ੒ w ෳ਺ͷ෦໳Λ౷߹ w ڞ௨໨ඪͱͯ͠ʮ৽ͨʹग़͖ͯͨମݧʹ౤ࢿ͢Δɻʯ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ίϯόʔδϣϯ཰ɿ૿ w 5JNFUP*OUFSBDUJWFɿʹݮ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ϘτϜΞοϓͰվળΛߦͬͨ w 18"ͷޮՌΛܭଌͯ͠ίϯηϯαεಘΔ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ༧໿ɿ૿ w ܧଓ཰ɿഒ w 4QFFE*OEFYɿݮ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ٕज़తΞϓϩʔν ௕ظతͳϏδϣϯΛ࣋ͭ ୹ظతͳΰʔϧΛઃఆ͢Δ ΰʔϧΛ௕ظతͳϏδϣϯʹԊ͏Α͏ʹઃఆ͢Δ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ௕ظత໨ඪɿ5JNFUP*OUFSBDUJWFΛݮ w ୹ظతͳΰʔϧɿ+BWB4DSJQU,#ˣ$44,#ˣ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w Ұ෦ͷϖʔδͰ55*ɿݮ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ݕࡧ݁Ռͷ্ҐͭΛQSFGFUDI

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ܭଌ w ڞ༗Ͱ͖ΔϝτϦΫε w ࣗಈԽπʔϧ w ࣮ߦՄೳͳ࣍ͷεςοϓ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ϞόΠϧϢʔβʔ਺ͷച্ͷൺ཰͕௿͔ͬͨ w ϚʔέςΟϯάνʔϜʹݪҼௐࠪΛґཔ͢Δ w ݁ՌΛݩʹ1FSGPSNBODF#VEHFUΛઃఆ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w ίϯόʔδϣϯ ωΠςΟϒͱͷൺ ɿ̑̌ˋ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w Ϣʔβʔͷଟ͕͘(ճઢ w 1FSGPSNBODF#VEHFUΛ$*ͰνΣοΫ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w දࣔ଎౓ɿݮ w ࣗવྲྀೖɿˋ૿ w ޿ࠂͷΫϦοΫ཰ɿഒ w νϟοτͷར༻཰ɿ૿

DISPNFEFWTVNNJUCSJFpOHTFTTJPO w 1FSGPSNBODF#VEHFUͷՄࢹԽ

DISPNFEFWTVNNJUCSJFpOHTFTTJPO ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ

パフォーマンス改善のケーススタディ

パフォーマンス改善のケーススタディ

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