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1. ϝϧΧϦͷ ঎඼؂ࢹΛࢧ͑Δٕज़ Mercari Server Side Tech Talk vol.2 ~CRE Night~ @ichikawa_0829
2. ࣗݾ঺հ • @ichikawa_0829 • 2017೥7݄ೖࣾ • Server Side Engineer • CXI→CRE
3. Agenda • ϝϧΧϦCREʹ͍ͭͯ • ঎඼؂ࢹΛࢧ͑Δٕज़
4. CXI
 (Customer Experience Improvement)
5. CXI
 (Customer Experience Improvement)
 CustomerExperience(ސ٬ମݧ)Λ Improvement(վળ)͢Δ?
6. ϝϧΧϦ • μ΢ϯϩʔυ਺ 6000ສ(JP) • ग़඼਺ 1೔100ສ඼Ҏ্ • GMVʢ૯औҾֹʣ݄ؒ100ԯԁҎ্ • ͜Ε͚ͩͷऔҾʹ͓͚Δސ٬ମݧΛࢧ͍͑ͯΔ ͷ͕ΧελϚʔαϙʔτʢҎԼCSʣ
7. ϝϧΧϦͷCS • CS͸͓٬͞·͕҆৺ɾ҆શʹϝϧΧϦΛ࢖ͬ ͍͚ͯͨͩΔΑ͏ʹ༷ʑͳ͓໰͍߹Θͤ΁ͷ ରԠ΍ɺ໰୊ͷ͋Δ঎඼ͷϞχλϦϯάΛߦͬ ͍ͯΔ • ઋ୆ɾ෱Ԭʹڌ఺ • ໿400໊
8. CXIͷ໾ׂ • CS΁ޮ཰తͳΦϖϨʔγϣϯΛՄೳʹ͢ΔπʔϧΛఏڙ ͢Δ͜ͱͰɺ͓٬͞·ͷΑΓΑ͍ମݧΛఏڙ͍ͯ͘͠ • ͓٬͞·͔Βͷ͓໰͍߹Θͤʹద੾ˍޮ཰తʹରԠ͢Δ ͨΊͷπʔϧ • ঎඼΍ίϝϯτͳͲΛ؂ࢹ͠Ϛʔέοτͷ݈શԽΛҡ࣋ ͢Δπʔϧ • ෆਖ਼ϢʔβʔΛޮ཰తʹऔΓకΔͨΊͷπʔϧ
9. CRE
 (Customer Reliability Engineering)
10. ϝϧΧϦʹ͓͚ΔCREͷ໾ׂ • 2018೥1݄ʹൃ଍ • CXIͰߦ͍ͬͯͨCSπʔϧͷվमͳͲͷۀ຿͸ Ҿ͖ଓ͖୲౰ • ΫϥΠΞϯτɺSearchɺAIɺBIΤϯδχΞ౳͕ ՃΘΓɺ৴པੑ޲্ͷҝʹΑΓଟ֯తͳΞϓϩʔ ν͕Մೳʹ
11. CXIͱCREͷҧ͍ $9* $3& ސ٬ ओʹ$4ϝϯόʔ ओʹϝϧΧϦͷར༻ऀ ஫ྗϙΠϯτ $4πʔϧͷվળ
    ΦϖϨʔγϣϯࣗಈԽ ͓໰͍߹Θͤ΍௨ใ͕ͦ΋ͦ΋ ൃੜ͠ͳ͍ঢ়گͮ͘Γ
12. ௚ۙऔΓ૊Έ • ͓٬͞·ಉ࢜ͷΩϟϯηϧػೳ • डऔධՁͷࣗಈԽ • ໰͍߹Θͤ෼ྨ΍঎඼؂ࢹπʔϧ΁ͷػցֶ शಋೖ • etc…
13. ঎඼؂ࢹ
14. ͜Ε·Ͱͷ঎඼؂ࢹ • ͜Ε·Ͱ͸ո͍͠ΩʔϫʔυΛొ࿥͓͖ͯ͠ ग़඼࣌ʹඇಉظʹνΣοΫ͍ͯ͠Δ • ొ࿥ͨ͠Ωʔϫʔυຖʹɺݕ஌͢Δɺඇදࣔ ʹ͢Δ౳ͷڍಈ΋ొ࿥ • ݕ஌͢Δϫʔυͷొ࿥͸खಈ
15. Mercari
 API Q4M Monitoring Worker en-queue de-queue hide/report
16. ঎඼؂ࢹ΁ͷػցֶश౤ೖ • ग़඼͞ΕΔͱGoogle Pub/SubΛհͯ͠ػցֶ शج൫΁ग़඼ΠϕϯτΛ௨஌ • ໰୊͋Γͱ൑ఆ͞Εͨ঎඼͸ࣗಈͰඇදࣔʹ ͨ͠ΓCSπʔϧʹදࣔ͠CSͰ֬ೝ࡞ۀΛߦͬ ͨΓ͢Δ
17. Cloud PubSub • ϑϧϚωʔδυͷϦΞϧλΠϜ ϝοηʔδϯά αʔϏε • ݸผͷΞϓϦέʔγϣϯؒͰϝοηʔδͷૹड ৴͕Ͱ͖Δ • ࠓճ͸ૹड৴͢ΔϝοηʔδΛProtobufͰγϦ ΞϥΠζ/σγϦΞϥΠζͯ͠࢖༻
18. ঎඼؂ࢹ΁ͷػցֶश౤ೖ • ҩྍ඼΍ΞμϧτɺΩʔϫʔυཏྻͳͲ͍͘ ͔ͭͷϞσϧ͕ಈ͍͍ͯΔ • ൑ఆ݁Ռͱͯ͠໰୊ͷ͋Δ঎඼ͩͬͨ৔߹ɺ ൑ఆͷ֬౓ʹΑͬͯݕ஌ͷΈߦ͍CS֬ೝ͢Δ ͔ඇදࣔ·Ͱͯ͠͠·͏͔ܾఆ͍ͯ͠Δ(༧ఆ)
19. ঎඼؂ࢹ΁ͷػցֶश౤ೖ • ໰୊ͷແ͍঎඼ͷר͖ࠐΈ͕ൃੜͯ͠͠·͏ ͨΊɺCSϦιʔεతʹͲΕ͘Β͍ରԠՄೳ͔ ૬ஊ͠ͳ͕Βࣗಈඇදࣔػೳͷ։์཰Λܾఆ Ͱ͖ΔΑ͏ʹ͍ͯ͠Δ
20. Mercari
 API Machine Learning
 Platform publish subscribe
21. CsTool
 API Machine Learning
 Platform Mercari
 API Worker publish subscribe hide/report report
22. Mercari
 API Machine Learning
 Platform
23. CsTool
 API Machine Learning
 Platform Mercari
 API Worker
24. CsTool
 API Mercari
 API Worker Test Publisher
25. Deploy Monitoring CI
26. Deploy Monitoring CI
27. .protoϑΝΠϧ Client for PHP Client for Go Client for Python branchΛpushͰ֤Clientͷ։ൃ ༻ίʔυͱPRΛࣗಈੜ੒ɻ masterʹmerge͞ΕΔͱClient ଆ΋Ϛʔδ͞ΕΔ
28. Deploy Monitoring CI
30. • SpinnakerʹΑΔContinuous Delivery
 http://tech.mercari.com/entry/ 2017/08/21/092743 • ࣍ੈ୅Continuous DeliveryϓϥοτϑΥʔϜͰ͋ ΔSpinnakerΛମݧͯ͠ΈΑ͏ʂ
 http://tech.mercari.com/entry/2017/12/17/ 205719
31. Deploy Monitoring CI
33. ·ͱΊͱࠓޙ • ৭ʑͳαʔϏε͕ܨ͕ͬͯ঎඼؂ࢹΛ࣮ݱͯ͠ ͍·͢ • ػցֶशతͳ෦෼͸ޙͷೋਓ͕ৄ͘͠࿩ͯ͘͠ Ε·͢ • αʔϏεΛ෼ׂͨ͜͠ͱʹΑΓσϓϩΠ΍ςε τʹखֻ͕͔ؒΔΑ͏ʹͳͬͨͷͰվળ͍ͨ͠
34. ·ͱΊͱࠓޙ • ػցֶश͕׆͖Δ෦෼ʹ͸ࠓޙ΋ੵۃతʹऔ ΓೖΕ͍͖͍ͯͨ • CSͷΦϖϨʔγϣϯͷݟ௚͠΋ؚΊͯπʔϧ վળΛߦ͍ͬͯ͘༧ఆ • ਓؒຯ͕ඞཁͳରԠʹCS͕࣌ؒΛ౰ͯΒΕΔ Α͏ͳঢ়گΛ࡞Δ
35. We Are Hiring! https://careers.mercari.com/job/
36. Thank you!