Webアプリケーションの遅い処理を特定する話

by Medley Inc.

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8FCΞϓϦέʔγϣϯͷ ஗͍ॲཧΛಛఆ͢Δ࿩ Ҵຊཽհ

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ࣗݾ঺հ w Ҵຊཽհ w δϣϒϝυϨʔ୲౰ͷΤϯδχΞ

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࿩͢͜ͱ w 8FCΞϓϦέʔγϣϯͰ஗͍ॲཧΛಛఆ͢Δํ๏ w ओʹαʔόଆ

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࿩͞ͳ͍͜ͱ w γεςϜϦιʔεʹ͍ͭͯ w $16 .FNPSZ /FUXPSL %JTL w Ͳ͏ૣ͘͢Δͷ͔ w ֤छνϡʔχϯάํ๏

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஗͍ॲཧΛಛఆ͢Δ

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w Ϣʔβʔʹݟ͑Δը໘ͷදࣔ଎౓Λվળ͠ετϨε ແ͘αʔϏεΛར༻ͯ͠΋Β͍͍ͨ w ཭୤ͷ཈ࢭɺ$73ͷ޲্

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Ͳ͏΍ͬͯಛఆ͢Δʁ

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/FX3FMJD

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/FX3FMJD w 8FC"QQMJDBUJPO w ΞϓϦέʔγϣϯαʔόʔʹඅ΍͞Εؚ͕ͨ࣌ؒ·Ε·͢ɻ w /FUXPSL w ϦμΠϨΫτ΍)5.-ͷཁٻͱड৴ʹඅ΍͞ΕΔؚ͕࣌ؒ·Ε·͢ɻαʔόʔ· ͨ͸੩తࢿ࢈ͷ࣌ؒ͸ؚ·Ε·ͤΜɻ w %PN1SPDFTTJOH w )5.-Λ%0.ʹղੳͯ͠ಉظεΫϦϓτΛऔಘ·ͨ͸࣮ߦ͢Δͷʹ͔͔Δ࣌ؒ Ͱ͢ EPDVNFOUSFBEZ ɻϒϥ΢βʔ͕͜ͷϑΣʔζͰΠϝʔδͷμ΢ϯϩʔυΛ։࢝͢ ΔͱɺϖʔδͷಡΈࠐΈλΠϛϯάͰΠϝʔδͷಡΈࠐΈ͕࣌ؒऔಘ͞Ε·͢ɻ w 1BHF3FOEFSJOH w %0.͕׬͔ྃͯ͠ΒXJOEPXMPBE͕ൃੜ͢Δ·Ͱͷ࣌ؒͰ͢ɻ w IUUQTEPDTOFXSFMJDDPNEPDTCSPXTFSOFXSFMJDCSPXTFSQBHFMPBE UJNJOHSFTPVSDFTQBHFMPBEUJNJOHQSPDFTT

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w Ͳͷϖʔδ͕ͲΕҐΞΫηε͞Ε͍ͯΔͷ͔ w ͲΕ͙Β͍ͷ଎౓ֻ͕͔͍ͬͯΔͷ͔

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/FX3FMJD

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/FX3FMJD w ࢀߟ w IUUQTEPDTOFXSFMJDDPNEPDTCSPXTFS OFXSFMJDCSPXTFSJOTUBMMBUJPO DPOpHVSBUJPOVSMXIJUFMJTUTHSPVQJOH CSPXTFSNFUSJDT

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w ΞϓϦέʔγϣϯ͔Β௥ͬͯΈΔ

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/FX3FMJD

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/FX3FMJD w .PTU5JNF$POTVNJOH w ϦΫΤετ਺ͱॲཧ࣌ؒΛ߹ܭͯ͠Ұ൪ॲཧ͕࣌ؒେ͖͍΋ͷ w 4MPXFTU"WFSBHF3FTQPOTF5JNF w ฏۉॲཧ͕࣌ؒ஗͍΋ͷ w "QEFY.PTU%JTTBUJTGZJOH w Ϣʔβʔͷຬ଍౓͕௿͍΋ͷ w )JHIFTU5ISPVHIQVU w εϧʔϓοτ͕ߴ͍΋ͷ w "QEFYʹ͍ͭͯ w IUUQTEPDTOFXSFMJDDPNEPDTBQNOFXSFMJDBQNBQEFY BQEFYNFBTVSJOHVTFSTBUJTGBDUJPO

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/FX3FMJD ٻਓৄࡉը໘

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w "1%&9 "QQMJDBUJPO1FSGPSNBODF*OEFY ͕ ௿͍ w ΞϓϦέʔγϣϯͷϨεϙϯελΠϜ͕஗͍ w NTҎ಺ʹ͸͍ͨ͠

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w ٻਓৄࡉը໘Λ௥ͬͯΈΔ

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$ISPNFEFWFMPQQFSUPPMT

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ɾ%PN$POUFOU-PBEFE ɾEPDVNFOUSFBEZ͕։࢝Ͱ͖ΔλΠϛϯά ɾ-PBE ɾ/FX3FMJDLͷ%PN1SPDFTTJOHͱଟ෼ಉ͡ ɾඞཁͳΞηοτʢը૾ͳͲʣͷಡΈࠐΈ͕ ׬ྃͨ࣌ؒ͠ EPDVNFOUSFBEZ ɾαʔόʔͷϨεϙϯεʹ͔͔ͬͨ࣌ؒ ɾ55'#ʢ5JNF5P'JSTU#ZUFʣ ɾϒϥ΢β͕#ZUF໨Λड͚औΔͷʹֻ͔ͬͨ࣌ؒ ˞αʔόʔͷϨεϙϯεʹֻ͔ͬͨ࣌ؒͱݴ͑Δ $ISPNF%FWFMPQQFS5PPMT

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w αʔόʔͷϨεϙϯλΠϜ NTʣ͸ͪΐͬͱ஗ ͍ w -PBE࣌ؒ͸ѱ͘ͳ͍ w Ξηοτؔ࿈͸$MPVE'SPOUY)551YH[JQͳͲ͸طʹ΍ͬͯ͋ Δͱ͍͏ͷ΋͋Δ

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w αʔόʔͷϨεϙϯελΠϜΛ௥ͬͯΈΔ

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QBSUJBMͷSFOEFSJOHˠ

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w ಛผ஗͍42-͸ͳͦ͞͏ w 3FOEFSJOHίετ͕ߴ͍Α͏ʹݟ͑Δ w ࠓճ͸͜ΕΛ௥ͬͯΈΔ

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w ۩ମతʹԿ͕஗͍ͷ͔΋ͬͱ౿ΈࠐΜͰௐ΂Δ

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w SBDLNJOJQSPpMFS w ؆୯ͳύϑΥʔϚϯεܭଌ͕ग़དྷΔ w QFFLSCMJOFQSPG w ίʔυͷߦ୯ҐͰ࣮ߦʹ͔͔ͬͨ࣌ؒΛڭ͑ͯ͘ΕΔ IUNM w TUBDLQSPG w SVCZͷ࣮ߦʹ͔͔ͬͨ࣌ؒΛڭ͑ͯ͘ΕΔ w SBDLMJOFQSPG w ίʔυͷߦ୯ҐͰ࣮ߦʹ͔͔ͬͨ࣌ؒΛڭ͑ͯ͘ΕΔ MPH w CVMMFU w /2VFSZΛϩάग़ྗͯ͘͠ΕΔ w BDUJWFSFDPSEDBVTF w "DUJWF3FDPSEͷಡΈࠐΈ͕࣮ࡍʹτϦΨʔ͞Εͨ৔ॴΛڭ͑ͯ͘ΕΔ ܭଌʹ࢖͑Δ(FN

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w SBDLNJOJQSPpMFS w QFFLSCMJOFQSPG w TUBDLQSPG ܭଌʹ࢖͑Δ(FN

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w SBDLNJOJQSPpMFS

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ɾͬ͘͟Γ͸ݟΕΔ ɾ3FOEFSJOHͷ୯ҐͰղܾͰ͖ͦ͏ͳ఺͸νΣοΫ͠΍ͯ͘͢ྑ͍

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w 42-Ϩϕϧͷ໰୊ͳΒ͜ΕͰ΋ݟͯऔΕΔ w 3FOEFSJOH·Ͱ͔͠ΈΕͳ͍ͷͰ΋͏গ͠ৄ͘͠ ͠Γ͍ͨ

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w QFFLSCMJOFQSPG

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ɾߦ୯ҐͰֻ͔͍ͬͯΔ࣌ؒΛݟΔ͜ͱ͕ग़དྷΔ ɾSBDLNJOJQSPpMFSΑΓࡉ͔͘ݟΕΔ

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ɾ஗ͦ͏ͳॲཧΛൃݟ͕ͨ͠ʜ YYYYIUNMTMJN YYYY@DFMMSC 4FBSDIFSSC ʁ ʁ ʁ

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w ஗͘ͳ͍Α͏ʹΈ͑Δ w ͳΜͱͳ͘FMBTUJDTFBSDIͷॲཧͰֻ͕͔࣌ؒͬͯ ͦ͏

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w TUBDLQSPG

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ɾର৅ͷॲཧΛϓϩϑΝΠϦϯά TUBDLQSPG

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ɾର৅ͷॲཧΛϓϩϑΝΠϦϯά TUBDLQSPG

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ɾର৅ͷॲཧΛϓϩϑΝΠϦϯά TUBDLQSPG

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ɾର৅ͷॲཧΛϓϩϑΝΠϦϯά TUBDLQSPG ɾFMBTUJDTFBSDI͔Βड͚औͬͨKTPOΛ)BTIJF.BTIʹม׵͢ΔॲཧͰίετ ͕͔͔͍ͬͯΔ͜ͱ͕Θ͔ͬͨ

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3VCZͷϓϩϑΝΠϦϯά·Ͱ΍ͬͯΘ͔ͬͨ݁Ռ w 3FOEFSJOHίετ͕ߴ͍Α͏ʹݟ͑Δ w ˠFMBTUJDTFBSDI͔Βड͚औͬͨKTPOΛΦϒ δΣΫτ΁ม׵͢Δίετ͕ߴ͔ͬͨ

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·ͱΊ

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w ϒϥ΢βΛܦ༝ͨ͠ύϑΥʔϚϯε͸ w /FX3FMJD $ISPNF%FWFMPQFS5PPMTͳͲͰݟΔ͜ͱ͕ ग़དྷΔ w ΞϓϦέʔγϣϯͷύϑΥʔϚϯε͸ w SBDLNJOJQSPpMFS QFFLSCMJOFQSPG TUBDLQSPG w ਖ਼͘͠໰୊Λ೺Ѳ͢Δ͜ͱͰޡͬͨղܾํ๏Λબ୒ͯ͠ ͠·͏ϦεΫΛճආͰ͖Δ