Who owns the Service Level?

SRE NEXT 2022
https://sre-next.dev/2022/

Transcript

1. Who owns the Service Level? Takeshi Kondo / @chaspy 2022/05/15 SRE NEXT 2022
2. Who am I chaspy chaspy_ Engineering Manager, Site Reliability at Recruit Co., Ltd. Takeshi Kondo https://chaspy.me
3. લఏɿϓϩμΫτ঺հ - ελσΟα ϓϦ
4. Hello, again! SRE NEXT
5. ࠓ೔࿩͢͜ͱ SRE Λ࣮ݱ͢ΔͨΊʹඞཁͳ͜ͱ
6. Tl;dr / SRE Λ࣮ݱ͢ΔͨΊʹඞཁͳ͜ͱ • ࢦඪΛݩʹվળ͠ଓ͚ΔจԽ • ࣗݾ׬݁ԽΛࢧ͑Δ Platform • ༏ઌॱҐΛมߋ͢ΔͨΊͷٕज़ઓུ
7. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
8. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
9. લఏ෦෼͸3݄ͷ6ࣾ߹ಉษڧձͱಉ͡಺༰Ͱ͓͞Β͍͠·͢
10. SRE Λ࣮ݱ͢Δͱ͸
11. ։ൃνʔϜ͕৴པੑΛ ίϯτϩʔϧ͢Δ Capability Λ ਎ʹ͚͍ͭͯΔ͜ͱ
12. ͦ΋ͦ΋ Site Reliability Engineering ͱ͸: Not like this • αʔϏε͕ʮߴ͍৴པੑ (ʹ100%)ʯΛอ͍ͬͯΔ͜ͱ • SLI/SLO ΛकΕ͍ͯΔ͜ͱ • ΦϯίʔϧϩʔςʔγϣϯΛ։ൃνʔϜͰߦ͏͜ͱ https://github.com/twitter/twemoji
13. ͦ΋ͦ΋ Site Reliability Engineering ͱ͸: Like this! • αʔϏε͕ʮϢʔβ͕ظ଴͢Δ৴པੑʯΛอ͍ͬͯΔ͜ͱ • SLI/SLO Λઃఆ͠ɺඇػೳཁ݅ͱػೳཁ݅ͷ༏ઌ౓ܾఆͷ ࢦඪͱͯ͠׆༻͍ͯ͠Δ • SLO ҧ൓͕ൃੜͨ͠ͱ͖ʹద੾ʹରॲͰ͖ΔΑ͏ͳϞχλ Ϧϯάํ๏ͱϙϦγʔ͕νʔϜͰಉҙ͞Ε͍ͯΔ • ্ه͕ఆظతʹݟ௚͞Ε͍ͯΔ https://github.com/twitter/twemoji
14. ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹ͚ͭΔ: Like this! SRE ։ൃ νʔϜ ։ൃνʔϜͷ৴པੑʹ ؔ͢Δ Capability औಘ Λࢧԉ͢Δ ࣗ෼ͨͪͷαʔϏεͷ ৴པੑΛࣗ෼ͨͪͰί ϯτϩʔϧͰ͖͍ͯΔ
15. Team Topologies • 4ͭͷνʔϜύλʔϯ • Stream Aligned • Platform • Enabling • Complicated Subsystem • 3ͭͷίϛϡχέʔγϣϯύλʔϯ • Collaboration • X as a Service • Facilitation https://pub.jmam.co.jp/book/b593881.html
16. ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹ͚ͭΔ: Like this! SRE ։ൃ νʔϜ ։ൃνʔϜͷࣗݾ׬݁ԽΛ ࢧ͑ΔϓϥοτϑΥʔϜͱ จԽΛ࡞Δ Platform Team Enabling Team Stream Aligned Team ࣗ෼ͨͪͰඞཁͳ΋ͷΛ ࣗ෼ͨͪͰ༻ҙͰ͖Δ = self-contained / ࣗݾ׬݁Խ
17. • ࢧԉ͸Ұ࣌తͰɺ௕ظԽͤͯ͞͸ͳΒͳ͍ ༨ஊ: Enabling ͱ͍͏୯ޠʹ͸ϙδςΟϒɾωΨςΟϒ྆໘͋Δ https://ja.wikipedia.org/wiki/%E3%82%A4%E3%83%8D%E3%83%BC%E3%83%96%E3%83%AA%E3%83%B3%E3%82%B0
18. SRE Team ͷ Vision / Mission / Values https://blog.studysapuri.jp/entry/sre-vision-mission-values
19. Mission ࣗݾ׬݁νʔϜ͕ϓϩμΫ τΛૉૣ҆͘શʹಧ͚ଓ͚ ΔͨΊͷϓϥοτϑΥʔϜ ͱจԽΛ࡞Δ
20. ͳͥࣗݾ׬݁Խ͕ॏཁ͔ SRE ։ൃ νʔϜ ։ൃνʔϜͷࣗݾ׬݁ԽΛ ࢧ͑ΔϓϥοτϑΥʔϜͱ จԽΛ࡞Δ Platform Team Enabling Team Stream Aligned Team ࣗ෼ͨͪͰඞཁͳ΋ͷΛ ࣗ෼ͨͪͰ༻ҙͰ͖Δ = self-contained / ࣗݾ׬݁Խ
21. ͳͥࣗݾ׬݁Խ͕ॏཁ͔: Not “VS”, but “And” • Dev vs and Ops • Ϣʔβ͔Βߴ଎ʹϑΟʔυόοΫΛಘΔ (DevOps) • Dev vs and Infrastructure • ηϧϑαʔϏεͰߏஙͯ͠ϦʔυλΠϜ୹ॖ • Productivity vs and Reliability • ੜ࢈ੑͱ৴པੑ͸૬ޓʹґଘ͢Δ
22. ͳͥࣗݾ׬݁Խ͕ॏཁ͔ • ࣗݾ׬݁νʔϜͳΒ • ຊ൪؀ڥ͔ΒϑΟʔυόοΫΛಘଓ͚ΒΕΔ • ࠷খݶͷίϛϡχέʔγϣϯͰߴ଎ͳҙࢥܾఆ͕Ͱ͖Δ • ػೳཁٻ͚ͩͰͳ͘ඇػೳཁٻʹ΋Ԡ͑Δ͜ͱ͕Ͱ͖Δ
23. • ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹ͚ͭͯ ͍Δ͜ͱ • ։ൃνʔϜ͕”ࣗݾ׬݁Խ”͍ͯ͠Δঢ়ଶ • SRE νʔϜ͸͜ΕΛϓϥοτϑΥʔϜͱจԽৢ੒Ͱࢧ͑Δ • ͜ΕΛ࣮ݱ͢Δʹ͸ϓϩμΫτ։ൃʹด͡ͳ͍ଟ༷ͳࢹ఺͕ඞཁ • Ϣʔβͷظ଴஋Λ஌Δ / Product Management • ߴ͍։ൃੜ࢈ੑ / Development Skills • ඇػೳཁٻʹͲΕ͚ͩίετΛ͔͚Δ͔ / Business Development ·ͱΊɿSRE Λ࣮ݱ͢Δͱ͸
24. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
25. ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE ~ @chaspy ೖࣾޙ • 2018: @chaspy ೖࣾ • 2019: Application Platform Λ Kubernetes ΁Ҡ؅ • 2020: Microservices Readiness ͷ੔උ • αʔϏεΦʔφʔγοϓͷࡦఆ • Design Doc / Production Readiness Checklist • Self-services Infrastructure (terraform monorepo) • SLI/SLO • 2021: SLI/SLO ӡ༻Λ։ൃνʔϜʹ׬શҠৡ Platform Team ͱͯ͠ Platform Λ࡞͍ͬͯΔ Enabling Team ͱͯ͠ ։ൃ૊৫ʹ SLI/SLO ͳͲͷΧϧνϟʔৢ੒
26. ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE ~ 2021೥ • COVID-19 ྲྀߦɺΞΫηε਺૿େ • Platform ͷਐԽ • Terraform monorepo • Loadtest Platform • GitHub Actions ʹΑΔ monorepo CI ෼཭ • ૊৫ͷมԽ • ٕज़ઓུάϧʔϓൃ଍ • ࣄۀҠ؅ʹΑΓϦΫϧʔτ΁స੶ɺQuipper ೔ຊࢧళਫ਼ࢉ • chaspy EM ೚༻
27. ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE ~ 2022೥ • ৽͍͠ SRE ࣮ફͷܗ • Partially Embedded SRE • Partially Enabling SRE in development team
28. ૊৫ن໛ͷਪҠ      ։ൃऀ 35 53 54 73 114 43& 4 5 7 7 7 ։ൃऀ͸ελσΟαϓϦɾQuipper ྆ํͷɺWeb Engineer (frontend&backend) ͷ਺ɻNative ͸আ֎͍ͯ͠Δɻ 2022೥͔Β͸ۀ຿ҕୗͷํ΋Χ΢ϯτ͍ͯ͠Δɻ2021೥Ҏલ΋ۀ຿ҕୗͷํͱ࢓ࣄ͸͍ͯͨ͠ɻ
29. ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱSRE • ͍ͣΕͷ࣌୅΋ Platform Team ͱ Enabling Team ͷৼΔ෣ ͍Λ͍ͯ͠Δ • ಛʹ2019೥͔Β͸ʮࣗݾ׬݁ԽʯΛςʔϚʹɺ͓ئ͍͞Ε Δ͜ͱΛۃྗݮΒͤΔ Platform Λ࡞͖ͬͯͨ • ಉ࣌ʹ։ൃνʔϜͷʮจԽΛͭ͘Δʯ͜ͱʹ౿ΈࠐΈɺSLI/ SLO Λݟ͍ͯ͘จԽΛ૊৫ʹৢ੒ͨ͠ • →ʮSLO Reviewʯat SRE NEXT 2020
30. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
31. ʮSLO Reviewʯat SRE NEXT 2020 • ։ൃ૊৫ʹ SLO Λ Review ͍ͯ͘͠จԽΛ࡞ͬͨऔΓ૊Έ • 2 Product, 15 Team ʹϘτϜΞοϓͰಋೖ • ొΓํͷ4εςοϓ • γεςϜͱ૊৫ͷΦʔφʔγοϓΛܾΊΔ • 1ਓͰϓϩηεΛ·Θ͠ɺ࣮ݱํ๏Λཱ֬͢Δ • Developer ͱҰॹʹ SLI/SLO Λఆٛ͠ɺϓϩηεΛ·Θ͢ • Error Budget Policy Λఆٛͯ͠ߦಈ͢Δ(ະ࣮ݱ) • ಘֶͨͼ • ඪ४Խ͞Εͨ SLI Λఏڙ͢Δ • ઃఆ͸ૣ͍ஈ֊ͰίʔυԽ͢Δ • ֶशۂઢΛٸޯ഑ʹ͢Δ https://blog.studysapuri.jp/entry/2020/01/30/slo-review
32. Α͔ͬͨ఺ • ։ൃ૊৫ʹ SLO Λ Review ͍ͯ͘͠จԽΛ࡞ͬͨऔΓ૊Έ • 2 Product, 15 Team ʹϘτϜΞοϓͰಋೖ • ొΓํͷεςοϓ • γεςϜͱ૊৫ͷΦʔφʔγοϓΛܾΊΔ • 1ਓͰϓϩηεΛ·Θ͠ɺ࣮ݱํ๏Λཱ֬͢Δ • Developer ͱҰॹʹ SLI/SLO Λఆٛ͠ɺϓϩηεΛ·Θ͢ • Error Budget Policy Λఆٛͯ͠ߦಈ͢Δ(ະ࣮ݱ) • ಘֶͨͼ • ඪ४Խ͞Εͨ SLI Λఏڙ͢Δ • ઃఆ͸ૣ͍ஈ֊ͰίʔυԽ͢Δ • ֶशۂઢΛٸޯ഑ʹ͢Δ https://blog.studysapuri.jp/entry/2020/01/30/slo-review ։ൃνʔϜͷೝ஌ෛՙΛపఈత ʹԼ͛Δ͜ͱʹͩ͜Θͬͨ ໨తෆ࣮֬ੑͷ௿ݮͷͨΊ ϑΟʔυόοΫαΠΫϧΛճͨ͠
33. Α͘ͳ͔ͬͨ఺ʁ • ։ൃ૊৫ʹ SLO Λ Review ͍ͯ͘͠จԽΛ࡞ͬͨऔΓ૊Έ • 2 Product, 15 Team ʹϘτϜΞοϓͰಋೖ • ొΓํͷεςοϓ • γεςϜͱ૊৫ͷΦʔφʔγοϓΛܾΊΔ • 1ਓͰϓϩηεΛ·Θ͠ɺ࣮ݱํ๏Λཱ֬͢Δ • Developer ͱҰॹʹ SLI/SLO Λఆٛ͠ɺϓϩηεΛ·Θ͢ • Error Budget Policy Λఆٛͯ͠ߦಈ͢Δ(ະ࣮ݱ) • ಘֶͨͼ • ඪ४Խ͞Εͨ SLI Λఏڙ͢Δ • ઃఆ͸ૣ͍ஈ֊ͰίʔυԽ͢Δ • ֶशۂઢΛٸޯ഑ʹ͢Δ https://blog.studysapuri.jp/entry/2020/01/30/slo-review ͳͥ͏·͍͔͘ͳ ͔ͬͨͷ͔ʁ
34. ʢ࠶ܝʣSRE Λ࣮ݱ͢Δͱ͸Կ͔ • ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹͭ ͚͍ͯΔ͜ͱ • ʮࢦඪΛݩʹߦಈ͕Ͱ͖Δʯ͜ͱ https://blog.studysapuri.jp/entry/2020/01/30/slo-review 4-*4-0
    &SSPS
    #VEHFU
    1PMJDZ ։ൃνʔϜ ఆٛ͢Δ / ఆظతʹݟ௚͢ Policy ʹैͬͯߦಈ͢Δ
35. ʢ࠶ܝʣSRE Λ࣮ݱ͢Δͱ͸Կ͔ • ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹͭ ͚͍ͯΔ͜ͱ • ʮࢦඪΛݩʹߦಈ͕Ͱ͖Δʯ͜ͱ https://blog.studysapuri.jp/entry/2020/01/30/slo-review 4-*4-0
    &SSPS
    #VEHFU
    1PMJDZ ։ൃνʔϜ ఆٛ͢Δ / ఆظతʹݟ௚͢ Policy ʹैͬͯߦಈ͢Δ Ͱ͖ͨ
36. ʢ࠶ܝʣSRE Λ࣮ݱ͢Δͱ͸Կ͔ • ։ൃνʔϜ͕৴པੑΛίϯτϩʔϧ͢Δ Capability Λ਎ʹͭ ͚͍ͯΔ͜ͱ • ʮࢦඪΛݩʹߦಈ͕Ͱ͖Δʯ͜ͱ https://blog.studysapuri.jp/entry/2020/01/30/slo-review 4-*4-0
    &SSPS
    #VEHFU
    1PMJDZ ։ൃνʔϜ ఆٛ͢Δ / ఆظతʹݟ௚͢ Policy ʹैͬͯߦಈ͢Δ ͏·͍͔͘ͳ͔ͬͨ
37. ͳͥ”ߦಈ͢Δ”·ͰࢸΒͳ͔ͬͨͷ͔ • ౰࣌ɺSLO ҧ൓࣌ͷΞΫγϣϯ͸ Product Manager / Team ʹҠৡ͍ͯͨ͠ • ·ͬͨ͘Կ΋Ͱ͖ͳ͔ͬͨΘ͚Ͱ͸ͳ͍ • ΋ͱ΋ͱνʔϜʹ༧ࢉͷ͋ΔɺվળͷͨΊͷ࣌ؒͰͰ͖Δ͜ͱ͔͠Ͱ͖ͳ͔ͬͨʢִि1೔ʣ • QB Day ͱݺ͹ΕΔ • Τϥʔʹର͢Δ௚઀తͳରॲɺܰඍͳ Performance վળͳͲ • ΞʔΩςΫνϟมߋɺΠϯϑϥ෼཭ͳͲɺ௕ظతɾࠜຊతରॲ͸೉͔ͬͨ͠ • ʮࢦඪΛݩʹػೳཁٻͱඇػೳཁٻͷ༏ઌ౓൑அ͕Ͱ͖Δʯ·Ͱ౸ୡ͠ͳ͔ͬͨ • ༏ઌ౓൑அʹ໾ʹཱͨͳ͍ͷͰ͋Ε͹ɺ։ൃνʔϜʹͱͬͯ΍Δ͜ͱ͕૿͚͑ͨͩͱ΋ݴ͑Δ
38. ͳͥ”ߦಈ͢Δ”·ͰࢸΒͳ͔ͬͨͷ͔ • ৴པੑͷ໰୊(ඇػೳཁٻ)ʹରॲ͢Δݖݶɾ༧ࢉෆ଍ • ػೳ։ൃͷ༏ઌ౓͕ߴ͔ͬͨ
39. SLO ҧ൓ͨ͠Β“ϦϦʔεετοϓ”ͱ͍͏ݬ૝ • SLO ҧ൓ͨ͠Βશͯͷ։ൃΛࢭΊͯͦͷमਖ਼Λߦ͏ͷ͸ݱ࣮ తͰ͸ͳ͍ • ͦΕΛߦ͏ͨΊʹ͸ࣄۀ੹೚ऀ͕͜ͷӡ༻ʹ߹ҙ͢Δඞཁ͕͋Δ • ͦΕΛߦ͏ͨΊʹ͸”׬ᘳͳSLI/SLO”͕ඞཁ͕ͩɺ”׬ᘳͳSLI/SLO”͸ ଘࡏ͠ͳ͍ • ૊৫͕֦େ͠ɺBiz Dev / Product / CS ͱ੹຿Λ෼୲͍ͯ͠Δঢ়گͰɺ ݱ৔൑அͰ౎౓͜ΕΛ΍Δͷ͸ίϛϡχέʔγϣϯίετ͕ߴ͗͢Δ
40. SLI/SLO ӡ༻ͷཧ૝: ͱ͋Δ Developer ͷίϝϯτ
41. ʮSLO Reviewʯat SRE NEXT 2020 ͦͷޙͷ·ͱΊ • ʮ৴པੑࢦඪΛఆΊɺ؍࡯͢ΔʯจԽΛ࡞ͬͨ͜ͱʹ͸Ձ஋͕͋ͬͨ • ࣄۀઓ্ུͷҙࢥܾఆʹ໾ʹཱͭࢦඪʹҭͭ·Ͱʹ͸ࢸΒͳ͔ͬͨ • ཧ༝1. ඇػೳཁٻͱػೳཁٻͷόϥϯεΛม͑Δҙࢥܾఆݖݶɾ༧ࢉ͕ϓϩμΫτ ։ൃνʔϜʹͳ͔ͬͨ • ৽نػೳ։ൃͷΠϯηϯςΟϒ͕େ͖͍ঢ়گ • ͦͷΑ͏ͳٕज़ઓུ/ٕज़౤ࢿΛϓϩμΫτ All Ͱߦ͑Δ࢓૊Έ͕ͳ͔ͬͨ • ཧ༝2. ৴པੑࢦඪ͕ Biz/Dev/SRE શһ͕ཧղ͠΍͍͢ࢦඪͰ͸ͳ͔ͬͨ • backend API ͷ SLI ͸ϢʔβମݧΛ௚઀ද͓ͯ͠ΒͣɺLatency ʹؔ͢Δରॲ͸ TPM ΁ͷઆ໌΋೉͍͠
42. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
43. 2021೥ ελσΟαϓϦ খதߴϓϩμΫτ։ൃ෦ ٕज़ઓུάϧʔϓൃ଍
44. ελσΟαϓϦখֶɾதֶɾߴߍɾେֶडݧߨ࠲ ελσΟαϓϦ For TEACHERS ελσΟαϓϦ For SCHOOL ݱঢ়ͷ૊৫ਤ: খதߴϓϩμΫτ։ൃ෦ ҎԼ17άϧʔϓ TPM BtoB TPM BtoC TPM ForSCHOOL TPM ԣஅ BtoC BtoB QA ։ൃࢧԉ SRE ٕज़ઓུ ίʔνϯά ৽ن։ൃ1 Τϯϋϯε ֶशࢧԉ Native iOS Android ৽ن։ൃ2 ਐ࿏ओମੑ ίϛϡχέʔγϣϯࢧԉ ForSCHOOLϞόΠϧ
45. Disclaimer • ٕज़ઓུάϧʔϓͷ্ཱͪ͛͸લ೚Ϛωʔδϟ͕ߦͬͨ΋ͷ • ࡢ೥࣌఺Ͱ͸ @chaspy ͸ DevOps WG ͷ Lead -> EM/Lead • લ೚ͷୀ৬ʹ൐͍ٕज़ઓུάϧʔϓͷ EM ͸෦௕͕݉೚ͭ͠ ͭɺଞ਺໊ͷ EM ͱҰॹʹӡӦ͍ͯ͠Δ • SLO ҧ൓ͷରॲ͕Ͱ͖ͳ͍͜ͱ͕ཧ༝Ͱ্ཱ͕ͪͬͨΘ͚Ͱ ͸ͳ͍
46. ٕज़ઓུͱ͸ ϓϩμΫτ։ൃ૊৫ʹ͓͍ͯ ԿΛ΍Δ͔ɺԿΛ΍Βͳ͍͔
47. ͳٕͥज़ઓུ͕ඞཁ͔ • Ϗδωεͷ଎౓ʹ௥ਵ͢ΔͨΊ • มߋΛ͠΍͍͢γεςϜɾίʔυɾ૊৫ʹ͢Δ • มߋ଎౓Λ๦͛ΔཁҼ͸ઌճΓͯ͠ରॲ͢Δ(ٕज़తෛ࠴ͷฦࡁ) • ͦͷঢ়ଶΛ௕ظతʹҡ࣋Ͱ͖ΔೳྗΛಘΔ
48. ͳٕͥज़ઓུ”άϧʔϓ”͕ඞཁ͔ • ٕज़ઓུͷܾΊํ͸૊৫ʹΑͬͯҟͳΔ • 1ਓͷ CTO ͕τοϓμ΢ϯͰܾΊͯ΋͍͍ • ϘτϜΞοϓͰશһ߹ٞͰܾΊͯ΋͍͍ • ͦͷதؒͰ΋͍͍ • ελσΟαϓϦখதߴ։ൃ૊৫͸ٕज़ઓུΛ1ਓʹґଘ͠ͳ͍࢓૊ΈΛ ࡞Δ͜ͱʹ௅ઓ͍ͯ͠Δ
49. ٕज़ઓུάϧʔϓͱ͸ • ໨త • ϓϩμΫτ։ൃ૊৫ͱͦͷγεςϜΛΑΓมԽʹڧ͘͢Δ • ໨ඪ • ٕज़తͳϏδϣϯͱํ਑ͷࡦఆ • ٕज़త՝୊ɾෛ࠴ΛίϯτϩʔϧԼʹஔ͘ • վળαΠΫϧͷཱ֬ͱࣗݾ਍அೳྗͷ֫ಘ
50. ࠷ॳͷ1೥Ͱ΍ͬͨ͜ͱ • ৽ن։ൃɿΤϯϋϯεɿٕज़తෛ࠴ղফ = 1:1:1 ͷ༧ࢉએݴ • ٕज़తෛ࠴ղফҊ݅ΛܾΊͯ։ൃϩʔυϚοϓʹ૊ΈࠐΉ • ٕज़՝୊ͷ؅ཧํ๏ͱൃੜ࣌ͷτϦΞʔδํ๏ͷܾఆ
51. SLO ҧ൓࣌ͷΞΫγϣϯ͕औΕΔΑ͏ʹ࢓૊Έ͕Ͱ͖ͨ • Ұఆඇػೳཁٻʹ༧ࢉ͕౰ͯΒΕɺൃੜٕͨ͠ज़՝୊Λ؅ཧ ͠ɺ࣮ߦͰ͖Δମ੍͕੔ͬͨ • SLO ҧ൓ͨ͠ࡍʹ࣮ࢪ͢Δ͜ͱ͕೉͔ٕͬͨ͠ज़՝୊Λܭը ʹ૊ΈࠐΊΔΑ͏ʹͳͬͨ
52. ׆ಈମ • ໨త • ϓϩμΫτ։ൃ૊৫ͱͦͷγεςϜΛΑΓมԽʹڧ͘͢Δ • ໨ඪ • ٕज़తͳϏδϣϯͱํ਑ͷࡦఆ • ٕज़త՝୊ɾෛ࠴ΛίϯτϩʔϧԼʹஔ͘ • վળαΠΫϧͷཱ֬ͱࣗݾ਍அೳྗͷ֫ಘ DevOps WG ԣஅWG Backend WG Frontend WG
53. ׆ಈମ • ໨త • ϓϩμΫτ։ൃ૊৫ͱͦͷγεςϜΛΑΓมԽʹڧ͘͢Δ • ໨ඪ • ٕज़తͳϏδϣϯͱํ਑ͷࡦఆ • ٕज़త՝୊ɾෛ࠴ΛίϯτϩʔϧԼʹஔ͘ • վળαΠΫϧͷཱ֬ͱࣗݾ਍அೳྗͷ֫ಘ DevOps WG ԣஅWG Backend WG Frontend WG
54. ٕज़త՝୊ɾෛ࠴ΛίϯτϩʔϧԼʹஔ͘ • ٕज़՝୊Λ౤͛ࠐΊΔ৔ॴɾ࢓૊ΈΛ࡞Δ • ٕज़՝୊ͷ༏ઌ౓Λ͚ͭΔ • དྷظͷ։ൃϩʔυϚοϓʹ઀ଓ͢Δ
55. ٕज़՝୊Λ౤͛ࠐΊΔ৔ॴɾ࢓૊ΈΛ࡞Δ ୭Ͱ΋ٕज़՝୊Λ౤͛ࠐΊΔ spreadsheet reacji Ͱؾܰʹ౤͛ࠐΊΔ
56. ౤͛ࠐ·Εͨ՝୊ͷ re fi nement ͭΒ͞ = ϖΠϯΛݴޠԽ ݱ࣌఺Ͱු͔Ϳ How Λهࡌ (༏ઌ౓͕͚ͭΒΕΕ͹͍͍ͷͰɺ͜ͷཝ͸ optional)
57. ՝୊ͷ༏ઌॱҐ෇͚ ϖΠϯͷස౓ͱڧ౓ͰϚοϐϯά ٕज़՝୊ͷ૬ରධՁΛ͚ͭΔ
58. དྷظͷ։ൃϩʔυϚοϓʹ઀ଓ͢Δ ϖΠϯͷ਺஋Խ ։ൃϩʔυϚοϓ઀ଓঢ়گ
59. ΋ͪΖΜɺ׬ᘳͰ͸ͳ͍ • ٕज़՝୊͸ස౓ͱڧ౓ͰଌΕΔ΋ͷͰ͸ͳ͍ • ఆੑతͰ͋Δ • ࢀՃϝϯόʔͷภΓ͕͋Δ͔΋ • ෳ਺ member ͷ vote ݁Ռͷॏ৺ʹஔ͍͍ͯΔͷͰਫ਼౓ʹٙ໰ • ։ൃϦιʔεɺٕज़త೉қ౓ɺϦεΫʹΑ͙ͬͯ͢ʹऔΓ͔͔Εͳ ͍՝୊΋͋Δ • ՝୊ͷ༏ઌ౓෇͚ʹ͕͔͔࣌ؒΔ • etc…
60. ͔͠͠ɺಛఆͷਓʹґଘ͠ͳ͍ελʔτϥΠϯʹཱͬͨ • ୭Ͱ΋ٕज़՝୊Λද໌͢Δ͜ͱ͕Ͱ͖Δ • ද໌ͨ͠՝୊͸ඞͣऔΓѻΘΕΔ • શһͰ໰୊ʹ޲͖߹͑Δ - ໰୊ vs ࢲͨͪ • ௕ظతͳ৴པੑͷ Controlability ୲อʹ໾ཱͭ
61. ׆ಈମ • ໨త • ϓϩμΫτ։ൃ૊৫ͱͦͷγεςϜΛΑΓมԽʹڧ͘͢Δ • ໨ඪ • ٕज़తͳϏδϣϯͱํ਑ͷࡦఆ • ٕज़త՝୊ɾෛ࠴ΛίϯτϩʔϧԼʹஔ͘ • վળαΠΫϧͷཱ֬ͱࣗݾ਍அೳྗͷ֫ಘ DevOps WG ԣஅWG Backend WG Frontend WG
62. DevOps WG ͷ໨తͱ׆ಈ • ໨తɿʢ։ൃνʔϜͷʣࣗݾ਍அೳྗͷ֫ಘͷͨΊʹઃஔ • ϝϯόʔ͸ ྖҬ͝ͱͷ WebDev / QA / SRE • ׆ಈ಺༰ • όϦϡʔετϦʔϜϚοϐϯάͷ࣮ࢪ • ީิͱͳΔ Metrics / Indicator ͷચ͍ग़͠ͱܭଌ • DX Criteria ͷ࣮ࢪ • όϦϡʔετϦʔϜΛ્֐͢ΔཁҼͷղܾ(e.g. E2E Automation) • ϓϩμΫτ։ൃ෦֎΁ͷ޿ใ׆ಈ • ·ͣ͸༗ޮͦ͏ͳ metrics ΍ΞηεϝϯτΛݕূͨ͠
63. όϦϡʔετϦʔϜϚοϐϯά Meta Issue (Epic) ࡞੒~ ։ൃ
64. όϦϡʔετϦʔϜϚοϐϯά ։ൃ׬ྃ ~ εϓϦϯτϨϏϡʔ QA ~ ຊ൪ϦϦʔε
65. ީิͱͳΔ Metrics / Indicator ͷચ͍ग़͠ͱܭଌ όϦϡʔετϦʔϜϚοϐ ϯάΛΠϯϓοτʹɺվ ળͨ͠৔߹ͷϝϦοτͷ Ծઆ΍ɺͦΕΛ્֐ͯ͠ ͍Δ໰୊ΛϐοΫΞοϓ
66. Q https://blog.studysapuri.jp/entry/2020/08/17/dx-criteria-system
67. ϓϩμΫτ։ൃ෦֎Ͱͷ޿ใ׆ಈ: BtoC All Hands Ͱͷൃද https://blog.studysapuri.jp/entry/2020/08/17/dx-criteria-system • ॴଐάϧʔϓΛ௒͑ͨࣄۀঢ়گΛ஌Δ৔ • Ϛʔέοτχϡʔε • ࣄۀঢ়گ • ϓϩμΫτ KPI • SLI / ։ൃऀੜ࢈ੑ • ͦͷଞτϐοΫ͞·͟· • SRE ͱ͸ͳʹʁ • ϚΠΫϩαʔϏεͬͯͳʹʁ͏Ε͍͠ͷʁ
68. ϓϩμΫτ։ൃ෦֎Ͱͷ޿ใ׆ಈ: BtoC All Hands Ͱͷൃද • “͸͡Ίͯͷ SRE” ͱ୊ͯ͠։ൃ෦Ҏ֎ͷํ޲͚ʹൃද
69. ϓϩμΫτ։ൃ෦֎Ͱͷ޿ใ׆ಈ: BtoC All Hands Ͱͷൃද • “͸͡Ίͯͷ SRE” ͱ୊ͯ͠։ൃ෦Ҏ֎ͷํ޲͚ʹൃද
70. DevOps WG ͷ໨తͱ׆ಈ • ໨తɿʢ։ൃνʔϜͷʣࣗݾ਍அೳྗͷ֫ಘͷͨΊʹઃஔ • ʢ։ൃνʔϜ͕ʣࢦඪΛݩʹߦಈ͢ΔจԽΛ࡞Ζ͏ͱ͍ͯ͠Δ • SLI/SLO Λݟͯ৴པੑΛ؍࡯͍ͯ͘͜͠ͱͱಉ͡Ͱ͸…?
71. SRE ͱٕज़ઓུ • DevOps WG ͷ׆ಈ͸ ʮSRE ͷ࣮ݱʯͷจԽ໘Ͱͷ֦ு • զʑ͕ݟΔ΂͖ࢦඪ͸γεςϜͷ৴པੑࢦඪ͚ͩͰ͸ͳ͍ • ͋ΒΏΔ΋ͷΛࢦඪΛݟͯɺҙࢥܾఆ͢Δ • ࠓޙ͸͜ͷจԽৢ੒ͦͷ΋ͷͷվળαΠΫϧΛճ͢ • 1. ީิͱͳΔ metrics ͷ༗ޮੑ͕໌Β͔ʹͳΓɺ਺஋Խ͢Δ • 2. ։ൃνʔϜ͕ͦΕΛݟͯɺΞΫγϣϯΛߟ͑Δ͜ͱ͕Ͱ͖Δ • 3. ։ൃνʔϜ͕ΞΫγϣϯ->վળͷαΠΫϧΛճ͢ • 4. 1-3 ͦΕࣗମ͕͏·͍͍ͬͯ͘Δ͔ΛධՁ͢Δ
72. SRE ͱٕज़ઓུ: ·ͱΊ • SRE Λ࣮ݱ͢ΔͨΊʹ͸ɺSLO ҧ൓Λͨ࣌͠ʹߦಈͰ͖Δ༧ࢉͱݖݶ ͕ඞཁ • ͦͷ্Ͱɺٕज़՝୊Λղܾ͢Δ༏ઌॱҐΛ͚ͭΒΕΔٕज़ઓུ͕ඞཁ • ʰελσΟαϓϦʱখதߴϓϩμΫτ։ൃ෦Ͱ͸͜ͷٕज़ઓུΛ1ਓ ʹґଘͤͣɺάϧʔϓͰ࣮ݱ͢Δ͜ͱʹ௅ઓ͍ͯ͠Δ • ͋ΒΏΔ΋ͷΛࢦඪͰݟ͍ͯ͘จԽ͕৴པੑͷͨΊʹॏཁ
73. Agenda • લఏɿSRE Λ࣮ݱ͢Δͱ͸Ͳ͏͍͏͜ͱ͔ • ྺ࢙͔ΒৼΓฦΔʰελσΟαϓϦʱࣄۀʹ͓͚Δ SRE • 2020೥ʮSLO ReviewʯͰͷֶͼͱࣦഊ • SRE ͱٕज़ઓུ • ·ͱΊͱࠓޙ
74. ·ͱΊ / SRE Λ࣮ݱ͢ΔͨΊʹඞཁͳ͜ͱ • ࢦඪΛݩʹվળ͠ଓ͚ΔจԽ • ࣗݾ׬݁ԽΛࢧ͑Δ Platform • ༏ઌॱҐΛมߋ͢ΔͨΊͷٕज़ઓུ
75. SRE Λ࣮ݱ͢Δͱ͸
76. ։ൃνʔϜ͕৴པੑΛ ίϯτϩʔϧ͢Δ Capability Λ ਎ʹ͚͍ͭͯΔ͜ͱ
77. SRE “NEXT” in ʰελσΟαϓϦʱ • “৴པੑ” ʹؔͯ͠͸ Enabling Team ͱͯ͠ͷ SRE Team ͸໾ ׂΛՌͨͭͭ͋͠Δ • SRE Team ͷࠓޙ • ΑΓ૊৫Λ Sustainable / Scalable ʹ͢ΔͨΊʹɺPlatform ʹؔ͢Δ ΦϯϘʔσΟϯάͷ֦ॆ΍ɺ։ൃνʔϜ͕ࣗ཯తʹ৴པੑʹؔ͢Δ Capability शಘΛ൑அͰ͖ΔΞηεϝϯτΛఏڙ͢Δ • ৴པੑ͚ͩͰ͸ͳ͍ɺ։ൃੜ࢈ੑΛՌͨͤΔ Platform ։ൃʹ஫ྗ͢Δ
78. Who owns the Service Level? • Service Level ͸ϓϩμΫτʹؔΘΔશһͷ΋ͷ • શһ͕ؔ৺Λ࣋ͯΔΑ͏ͳ৴པੑࢦඪʹਐԽͤ͞·͠ΐ͏ • ϢʔβମݧΛ௚઀తʹද͢ Client-side(WebFrontend/Native) Ͱͷ SLI/SLO Λ௥͏ • ʮࢦඪΛݟͯߦಈ͢Δʯͦͷ΋ͷͷվળαΠΫϧΛճ͠·͠ΐ͏
79. Thank you! chaspy chaspy_ Engineering Manager, Site Reliability at Recruit Co., Ltd. Takeshi Kondo https://chaspy.me