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©2018 Wantedly, Inc. Distributed Tracing with OpenCensus at Wantedly, Inc. OpenCensus meetup vol.1 03.Apr.2019 - @munisystem

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©2018 Wantedly, Inc. 0QFO$FOTVTͷಋೖഎܠ 8BOUFEMZ *ODʹ͓͚Δ෼ࢄτϨʔγϯά ݱঢ়ͷ՝୊ ·ͱΊ Agenda

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©2018 Wantedly, Inc. !NVOJTZTUFN:VJDIJ4BJUP *OGSBTUSVDUVSF5FBNBU8BOUFEMZ *OD

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©2018 Wantedly, Inc. 0QFO$FOTVTͷಋೖഎܠ

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©2018 Wantedly, Inc. 8BOUFEMZʹ͓͚Δ.JDSPTFSWJDFTͷݱঢ় w 1PMZHMPU w 3VCZͱ(P͕ϝΠϯ w αʔϏεͷυϝΠϯʹΑͬͯ1ZUIPO΍/PEFɺ3VTU΋࠾༻ w .VMUJ$MPVE w "84 ,VCFSOFUFTPO&$ 3%4 &MBTUJDBDIF ʜ w ($1 #JH2VFSZ $MPVE%BUBTUPSF $MPVE1VC4VC ʜ

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©2018 Wantedly, Inc. ͳͥ.JDSPTFSWJDFTΛ࠾༻ͨ͠ͷ͔ ೥ͷ8BOUFEMZ1FPQMFͷ։ൃ͔Β.JDSPTFSWJDFTΛ࠾༻ w ౰࣌͸ϞϊϦγοΫͳ3BJMTΞϓϦέʔγϣϯ͕਺ݸଘࡏ w αʔϏεͷಛੑ্ɺ3BJMTͰ͸࣮ݱ͠ʹ͍͘ػೳΛ࣮ݱ͢Δඞཁ͕͋ͬͨ w ฒྻԽɺػցֶश w ߴ଎ͳ։ൃͱϦϦʔε΁ͷཁٻ w ϦϦʔεαΠΫϧͷ෼཭

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©2018 Wantedly, Inc. ύϑΥʔϚϯεܭଌͷ೉͠͞ w 8BOUFEMZͰ͸"1.ͷج൫ͱͯ͠/FX3FMJDΛ࠾༻͍ͯͨ͠

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©2018 Wantedly, Inc. ύϑΥʔϚϯεܭଌͷ೉͠͞ w 8BOUFEMZͰ͸"1.ͷج൫ͱͯ͠/FX3FMJDΛ࠾༻͍ͯͨ͠ w SVOUJNFϨϕϧͰͷϝτϦΫεͷऩू w -BUFODZ 4UBDLUSBDF ($IFBQTJ[F ʜ w .JDSPTFSWJDFTͰ͸αʔϏεؒͷσʔλͷ΍ΓऔΓ͕ωοτϫʔΫӽ͠ʹߦΘΕΔ w ϦΫΤετઌͰͲΜͳॲཧ͕ߦΘΕ͍ͯΔͷ͔Λ൑அͰ͖ͳ͍

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©2018 Wantedly, Inc. ύϑΥʔϚϯεܭଌͷ೉͠͞ Receive A /api/products/1 timeline DB Access Request B /api/reviews/1 #Ͱͳʹ͕ߦΘΕ͍ͯΔͷ͔͸"ͷ4UBDL5SBDF্͔Β͸൑அͰ͖ͳ͍

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©2018 Wantedly, Inc. ύϑΥʔϚϯεܭଌͷ೉͠͞ w 8BOUFEMZͰ͸"1.ͷج൫ͱͯ͠/FX3FMJDΛ࠾༻͍ͯͨ͠ w SVOUJNFϨϕϧͰͷϝτϦΫεͷऩू w -BUFODZ 4UBDLUSBDF ($IFBQTJ[F ʜ w .JDSPTFSWJDFTͰ͸αʔϏεؒͷσʔλͷ΍ΓऔΓ͕ωοτϫʔΫӽ͠ʹߦΘΕΔ w ϦΫΤετઌͰͲΜͳॲཧ͕ߦΘΕ͍ͯΔͷ͔Λ൑அͰ͖ͳ͍ ‎෼ࢄτϨʔγϯάͷಋೖ

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©2018 Wantedly, Inc. ෼ࢄτϨʔγϯά

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©2018 Wantedly, Inc. ෼ࢄτϨʔγϯάಋೖͷΞϓϩʔν ͬ͘͟Γಋೖํ๏͸௨Γʹ෼ྨͰ͖Δ w ϕϯμʔ͕ఏڙ͢Δ-JCSBSZͷར༻ͱ࣮૷ʢྫ"NB[PO93BZ w 0QFO$FOTVT΍0QFO5SBDJOHʹ୅ද͢Δڞ௨Խ࣮૷

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©2018 Wantedly, Inc. ٕज़બ୒Λ͢Δͱ͖ʹߟ͑ͨ͜ͱ w όοΫΤϯυͷมߋ༰қੑͷ୲อ w ܗ੒͞ΕͨΤίγεςϜͷར༻͕Մೳ w 1PMZHMPUͳ؀ڥͰ͋Δ͜ͱΛҙࣝ͢Δͱɺ
 গ͠Ͱ΋ΤίγεςϜʹ৐ΕΔܗʹ͍ͨ͠ ‎ڞ௨ԽϑϨʔϜϫʔΫͷ࠾༻

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©2018 Wantedly, Inc. Կނ0QFO$FOTVTΛ࠾༻ͨ͠ͷ͔ w ͲͪΒ΋࣮૷ΛϕϯμʔΛ෼཭͢Δͱ͍͏໨త͸Ұॹ w ෼ࢄτϨʔγϯάҎ֎ͷར༻Ձ஋Λߟ͑ͨ w 0QFO5SBDJOH͸෼ࢄτϨʔγϯά͚ͩͰ͋Δͷʹର͠ɺ
 0QFO$FOTVT͸0CTFSWBCJMJUZશൠʹϑΥʔΧε͍ͯ͠Δ w ΞϓϦέʔγϣϯͷϝτϦΫεͷऩूΛݟਾ͑ͨ w ΤίγεςϜͷ੒௕ͷݟࠐΈ w (PPHMF͸4UBDLESJWFSͰ0QFO$FOTVTͷར༻Λਪ঑͍ͯͨ͠

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©2018 Wantedly, Inc. 8BOUFEMZ *ODʹ͓͚Δ෼ࢄτϨʔγϯά

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©2018 Wantedly, Inc. ෼ࢄτϨʔγϯάͷόοΫΤϯυ w όοΫΤϯυʹ͸%BUBEPH"1.ͱ4UBDLESJWFS5SBDFΛ࠾༻ w %BUBEPH"1.͕ϝΠϯ w ΋ͱ΋ͱ%BUBEPHΛར༻͍ͯͨ͠ͱ͍͏എܠ w %BUBEPH"1.Ͱ͸ಛఆͷ؀ڥ͚ͩ͢΂ͯͷ5SBDFΛ࢒͢ࣄ͕Ͱ͖ͳ͍ w ͜ΕΛ୲อ͢ΔͨΊʹ4UBDLESJWFS5SBDFͱซ༻͍ͯ͠Δ w কདྷతʹ͸όοΫΤϯυΛ౷Ұͤ͞Δ

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©2018 Wantedly, Inc. 4IBSFE-JCSBSZʹΑΔڞ௨Խ w ࣾ಺ʹ͸ϚΠΫϩαʔϏεʹඞཁͳϩδοΫΛ֤αʔϏεʹఏڙ͢ΔͨΊͷ
 ڞ௨Խ࣮૷͕ଘࡏ͍ͯͨ͠ w 5JNFPVU3FUSZ"VUIFOUJDBUPO-PHHJOH w ෼ࢄτϨʔγϯάͷ࣮૷΋͜Εʹ಺แ͍ͤͯ͞Δ w 3VCZͱ(PͷΈͰఏڙ w 1ZUIPO΍ͦͷଞͷݴޠ͸ϦΫΤετͷ຤୺Ͱར༻͞ΕΔέʔε͕ଟ͍ w ߋʹ%#΁ͷSFBEXSJUF΋΄΅ແ͍ w VQTUSFBN΁ͷϦΫΤετͷ4QBO͚ͩͰ͋Δఔ౓൑அ͕Մೳ

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©2018 Wantedly, Inc. ར༻͍ͯ͠Δ-JCSBSZ w (Pʹؔͯ͠͸ެࣜͷ΋ͷΛར༻ w 3VCZ͸GPSL IUUQTHJUIVCDPNXBOUFEMZPQFODFOTVTSVCZ Λར༻ w ౰࣌UPQMFWFMͷ4QBO͕ࢠ4QBOʹ఻ൖ͞Εͳ͍ͱ͍͏க໋తͳόά͕͋ͬͨ w 13Λૹ͕ͬͨɺϝϯςφෆࡏͰϦϦʔε͞Εͳ͍࠷ۙϚʔδ͞Εͨ w UPQMFWFM4QBOʹ"UUSJCVUFΛࠩ͠ࠐΉͨΊͷIPPLΛࣗ࡞͍ͯͯ͠ɺ
 ͦΕ͕·ͩຊମʹ13Λग़͍ͯ͠ͳ͍ w %BUBEPHͷ&YQPSUFSʹؔͯ͠͸ࣗ࡞ w IUUQTHJUIVCDPNNVOJTZTUFNPQFODFOTVTEBUBEPH

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©2018 Wantedly, Inc. ϝλσʔλͷૠೖ w ݕࡧͷͨΊʹϝλσʔλ w ,VCFSOFUFTNFUBEBUB w 3FRVFTU*% w 6TFS*% w %BUBEPH"1.ͷ࠷దԽͷͨΊͷϝλσʔλ

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©2018 Wantedly, Inc. 3FRVFTU*%ͷ఻ൖ w 3FRVFTU*%͸ผαʔϏεʹ఻ൖ͍ͯ͠Δ w "DDFTT-PHHJOH w &SSPSUSBDLFS )POFZCBEHFS

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©2018 Wantedly, Inc. )551)FBEFS1SPQBHBUJPO w 5SBDF$POUFYUQSPQBHBUJPOGPSNBUΛ࠾༻ w 0QFO$FOTVTͷ࢓༷Ͱ5SBDF$POUFYUͷ࣮૷ؚ͕·Ε͍ͯΔ w PQFODFOTVTSVCZ͸#͕·࣮ͩ૷͞Ε͍ͯͳ͍

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©2018 Wantedly, Inc. 4BNQMJOH w ։ൃ؀ڥ͸͢΂ͯͷϦΫΤετͷॲཧΛτϨʔεͰ͖ΔΑ͏ʹɺ
 αϯϓϦϯά͸ߦ͍ͬͯͳ͍ w 1SPEVDUJPO؀ڥ͸αʔϏε΍ΤϯυϙΠϯτʹؔΘΒͣҰ཯ˋͰઃఆ w ϦΫΤετ਺΍4QBOͷ਺͕ଟ͍ͨΊ w ΞϓϦέʔγϣϯଆͷQFSGPSNBODFJTTVF w όοΫΤϯυͷQSJDJOH

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©2018 Wantedly, Inc. ($1Ͱͷར༻ w 4%,ଆͰ0QFO$FOTVT͕ରԠ͞Ε͍ͯΔ w ಛʹͳʹ΋ͤͣFDPTZTUFNʹ৐ΕΔ

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©2018 Wantedly, Inc. ݱঢ়ͷ՝୊

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©2018 Wantedly, Inc. όοΫΤϯυݻ༗ͷ࠷దԽͷ࣮ݱ w ෇༩͞Ε͍ͯΔ"UUSJCVUFʹΑͬͯόοΫΤϯυͷৼΔ෣͍͕มΘΔ w %BUBEPH"1.Ͱ͸TQBOUZQFͷ஋ͰαʔϏεͷΧςΰϥΠζ͕มΘΔ w UPQMFWFMͷ4QBOͰղܾ͢Δ΋ͷͳΒ·͍͍ͩ w SFEJTDMJFOUʹಛఆͷ"UUSJCVUFΛࠩ͠ࠐΉʹ͸Ͳ͏͢Δ w SFEJTDMJFOUଆͰIPPLΛ༻ҙ͢Δ w NPOLFZQBUDIΛ͋ͯΔ

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©2018 Wantedly, Inc. ΞϓϦέʔγϣϯίʔυͱϕϯμʔͷ׬શͳ෼཭ w &YQPSUFS͸ίʔυʹґଘ w ϥΠϒϥϦͷΞοϓσʔτͷ೉͠͞ w 1PMZHMPUͱ&YQPSUFS࣮૷ w ओཁͳݴޠ͚࣮ͩ૷͢Δͷ΋ݱ࣮తͰ͸ͳ͍ w &YQPSUFSͷࣗ࡞ͱ͍͏બ୒ࢶ w ϕϯμʔଆͷػೳ΁ͷ௥ैͷίετ

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©2018 Wantedly, Inc. 0QFO$FOTVT4FSWJDF https://github.com/census-instrumentation/opencensus-service/blob/master/images/opencensus-service-deployment-models.png

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©2018 Wantedly, Inc. 0QFO$FOTVT4FSWJDF w ϕϯμʔͱΞϓϦέʔγϣϯͷ׬શͳ෼཭ͷ࣮ݱ w "HFOUʜ5SBDF΍4UBUTͷऩूɺ$PMMFDUPS΁ͷू໿ w $PMMFDUPSʜ೚ҙͷόοΫΤϯυʹू໿ͨ͠5SBDF΍4UBUTΛૹ৴ w ར఺ w TBNQMJOHTUSBUFHZͷมߋ΍ϝλσʔλͷ෇༩Λ$PMMFDUPSଆͰ࣮ݱ w ϕϯμʔ͸(Pͷ࣮૷͚ͩ༻ҙ͢Ε͹ྑ͍

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©2018 Wantedly, Inc. ·ͱΊ w 0QFO$FOTVTΛ෼ࢄτϨʔγϯάͰར༻͢ΔϝϦοτ w ϕϯμʔͱίʔυͷ෼཭ͷ࣮ݱ w ϩά΍ϝτϦΫεͷऩू΁ͷ֦ுੑ w ΤίγεςϜͷେ͖͞ w 8BOUFEMZ *ODʹ͓͚Δ෼ࢄτϨʔγϯά w 4IBSFE-JCSBSZʹΑΔ࣮૷ͷڞ௨Խ w ݕࡧͷͨΊͷϝλσʔλͷૹ৴