小さくはじめるSLI/SLO ～育てながら組織に定着させる実践知～ / Starting Small with SLI/SLOs: Building Adoption Through Continuous Growth

Road to SRE NEXT 2026 @神戸 の登壇資料です。
https://sre-lounge.connpass.com/event/390064/

Transcript

1. খ͘͞͸͡ΊΔSLI/SLO ʙҭͯͳ͕Β૊৫ʹఆணͤ͞Δ࣮ફ஌ʙ ߴଜ ੒ಓʢ@nari_exʣ
3. גࣜձࣾTopotalʢͱΆͨΔʣ • h#ps:/ /topotal.com • SREΛओ࣠ʹͨ͠ελʔτΞοϓ • 2ࣄۀΛӡӦ • SRE as a Service • SaaS for SREʢWaroomʣ • ຊΠϕϯτͷ Pla;num εϙϯαʔ 3
4. SRE as a Service • topotal.com/services/sre-as-a-service • SREʹಛԽٕͨ͠ज़ࢧԉαʔϏε • ࢧԉͷྫ • SLI/SLOͷಋೖɾӡ༻վળ • CI/CDͷߏஙɾվળ • ΠϯγσϯτϚωδϝϯτͷվળ 4
5. WaroomʢΘΔʔΉʣ • waroom.com • ૊৫తʹΠϯγσϯτରԠΛߦ͏ͨΊͷ SaaS • Slack ϕʔεͷରԠʹ߹ΘͤͯࣗಈԽɾল ྗԽ͕Ͱ͖Δ • SRE NEXT 2026ͰҎԼͷ2ͭͷػೳΛϒʔ εͰ঺հͯ͠·͢ʂ • AIΛ༻͍ͨݪҼ੾Γ෼͚ɾ෮چ • Φϯίʔϧ 5
6. ຊެԋͷର৅ऀ • SLI/SLOΛಋೖ͍͕ͨ͠ɺԿ͔Β࢝ΊΔ΂͖͔೰ΜͰ͍Δํ • SLI/SLOΛಋೖͨ͠΋ͷͷɺे෼ʹ׆༻Ͱ͖͍ͯͳ͍ํ • SLI/SLOΛνʔϜ΍૊৫΁޿͍͛ͨํ 6
7. ΞδΣϯμ • 1. SLI/SLOͷΉ͔ͣ͠͞ • 2. SLI/SLOΛখ͘͞͸͡ΊΔ • 3. SLI/SLOΛҭͯΔ 7
8. 1. SLI/SLOͷΉ͔ͣ͠͞ 8
9. SLI/SLOͷཧ૝తͳ࣮ફΠϝʔδ 1. ద੾ͳ৴པੑΛ࣮ݱ͍ͨ͠ʢSREͷ໨తʣ 2. Ϣʔβʔͷຬ଍౓Λج४ʹγεςϜӡ༻͍ͨ͠ 3. ຬ଍౓ͷ୅ཧई౓ͱͯ͠SLI/SLOΛఆٛ͢Δ 4. Error Budget Λ΋ͱʹ૊৫શମ͕ҙࢥܾఆΛߦ͏ 5. ։ൃ଎౓ʢVerocityʣͱ৴པੑʢReliabilityʣ͕ద੾ͳόϥϯεͰ อͨΕΔঢ়ଶʹʂʂ 9
10. ࣮ମݧϕʔεͩͱ ཧ૝తʹਐߦ͢Δέʔε͸ك 10
11. ೉఺1: ద੾ͳSLI/SLOͷఆ͕ٛ೉͍͠ • ૊৫΍αʔϏε͝ͱʹ৴པੑͷ͋Δ΂͖͕࢟ҟͳΔ • ৴པੑ͸ࣄۀઓུ΍γεςϜಛੑͳͲ༷ʑͳཁૉ͕Өڹ͢Δ • αʔϏεΛऔΓר͘͢΂ͯͷཁૉ͕ಉ͡ʹͳΔ͜ͱ͸ͳ͍ → ࣗࣾʹదͨ͠SLI/SLOͷಛఆ͸༰қͰ͸ͳ͍ 11
12. ίϥϜ: 100%Ͱ͸ͳ͘ద੾Λ໨ࢦ͢ཧ༝ • ৴པੑ໨ඪΛ100%ʹ͚ۙͮΕ͹͚ۙͮ Δ΄Ͳɺ࣮ݱίετ͸େ෯ʹංେԽ͢ Δ • 100%Λ࣮ݱ͢Δʹ͸ɺແݶͷΤϯδχ ΞϦϯάίετ͕ඞཁ • → ݱ࣮ੈքͰ͸ίετϝϦοτ͕· ͬͨ͘ݟ߹Θͳ͍ • ͳͷͰɺݱ࣮తͳ৴པੑ໨ඪΛఆٛ͢ Δඞཁ͕͋Δ 12
13. ྫ: ϓϩμΫτͷϑΣʔζʹΑΔ৴པੑͷҧ͍ → ࢦඪʢSLIʣ͕ఆ·ͬͨ͋ͱ΋ɺϑΣʔζʹΑͬͯ໨ඪʢSLOʣ͸มΘΓଓ͚Δ 13
14. ೉఺2: SLI/SLOΛӡ༻͢Δͷ͕೉͍͠ • ʮʓʓͷͱ͖ɺͲ͏͢Δ͔ʯΛܾΊΔͷ͕͍ͨ΁Μ • SLOҧ൓ͨ͠Βʁɺϝϯςφϯε࡞ۀ࣌͸ʁɺॏཁͳϞχλ ʔ͕௥Ճ͞ΕͨΒʁɺError Budget͕ރׇͨ͠Βʁ • ʮೖΕͯऴΘΓʯͰ͸ͳ͍ • ࣋ଓՄೳੑΛҙࣝ͢Δඞཁ͕͋Δ → ܾΊΔͷ΋ɺͦΕΛӡ༻͢Δͷ΋͍ͨ΁Μ 14
15. ೉఺3: ૊৫ʹఆணͤ͞Δͷ͕೉͍͠ • SLI/SLO͸ɺSREνʔϜ͚͕ͩ׆༻͢ΔͷͰ͸ෆे෼ • νʔϜͷ֞ࠜΛ௒͑ͯɺ։ൃνʔϜ΍Ϛωδϝϯτ૚Λר͖ࠐ Ήඞཁ͕͋Δ • ۀ຿ϑϩʔͷఆٛɺΨόφϯεڧԽɺจԽͷৢ੒...etc → ૊৫ͷߦಈม༰͸ͦ΋ͦ΋Ή͔͍ͣ͠ 15
16. ίϥϜ: Error BudgetʹΑΔҙࢥܾఆ·Ͱͷนͷߴ͞ 2 2 Establishing SRE Founda3ons: SRE Concept Pyramid. 16
17. SLI/SLO ཧ૝ͱݱ࣮ ೉఺ ཧ૝ ݱ࣮ ఆٛ ࠷దͳSLI/SLO͕αΫοͱܾ·Δ CUJʙSLO·Ͱͷ߹ҙܗ੒ɺ௥Ճͷ ܭ૷ͳͲʹ͕͔͔࣌ؒΓ͗͢Δ ӡ༻ ݈શͳSLI/SLO͕ҡ࣋͞ΕΔ ϝϯς࣌ؒͷআ֎͞Εͳ͍ɺ৽ػೳ ͕ߟྀ͞Εͳ͍ɺݟ௚͕͠ߦΘΕͳ ͍ ఆண SLI/SLOΛ΋ͱʹҙࢥܾఆ͕ߦΘΕ Δ SREνʔϜ͔͠ڵຯ͕ͳ͍ɺSLI/ SLOձ͕ٞ΍΍ؾ·͍ͣ → ʮཧ૝Λ௥͍ٻΊɺ๲େͳ࣌ؒΛ͔͚ͯಋೖ͕ͨ͠ɺՁ஋͕ೝΊΒΕͣʹܗ֚Խ͢ΔέʔεʯΛΑ͘ݟ͔͚Δ 17
18. 2. খ͘͞͸͡ΊΔSLI/SLO 18
19. SLI/SLOͷઓུͷఏҊ • ಋೖোนΛԼ͛ɺՁ஋ݕূΛਝ଎Խ͠ɺϑΟʔυόοΫϧʔϓ ͷதͰվળΛ͢Δ → ࣮͸SREͷ࣮ફʹࣅͯΔ 19
20. SREͷಋೖεςοϓΛҾ༻͢Δ 20
21. SRE ͷ࣮ફʹ͓͚Δॏཁͳ4ͭͷεςοϓ1 1. খ࢝͘͞Ίͯɺ܁Γฦ͢ 2. νʔϜΛࢧԉ͢Δ 3. ֶΜͩ͜ͱΛεέʔϧ͢Δ 4. σʔλυϦϒϯܕͷϚΠϯυηοτΛ۩ମԽ͢Δ => খن໛͔Β͸͡Ίɺ੒ޭମݧΛܦͯɺ࠷ऴతʹ͸શମ΁εέʔϧΛͤ͞Δ 1 Four steps to jumpstar.ng your SRE prac.ce 21
22. ࣮ફྫ εςοϓ ۩ମྫ 1. খ࢝͘͞Ίͯɺ܁Γฦ͢ ਺ϲ݄ఔ౓͔ͭࣗνʔϜͷΈͰୡ੒Մೳͳ՝୊ ʹऔΓ૊Έɺখ͞ͳ੒ՌΛੵΈॏͶΔ 2. νʔϜΛࢧԉ͢Δ ੒ՌΛڞ༗ͭͭ͠ɺଞνʔϜͷࢍಉΛಘͯɺν ʔϜԣஅతͳ՝୊ʹऔΓ૊Ή 3. ֶΜͩ͜ͱΛεέʔϧ͢Δ ษڧձͷ։࠵ɺSRE Ξϯόαμʔͷ೚໋ͳͲʹ Αͬͯద༻ൣғΛ֦େ͢Δ 4. σʔλυϦϒϯܕͷϚΠϯυηοτΛ۩ମԽ ͢Δ ৴པੑΛجຊػೳͱͯ͠ଊ͑ɺҙࢥܾఆͷ࣠ͱ ͯ͠औΓೖΕΔ 22
23. SREͷಋೖεςοϓ͔Βͷֶͼ • ୹ظؒͰޮՌ͕ग़ͦ͏ͳ՝୊ʹऔΓ૊Ή • Ձ஋ΛࣗνʔϜ಺Ͱ࣮ײ͠ɺখ͞ͳ੒ޭମݧΛੵΉ • ੒ՌΛڞ༗͠ͳ͕Βɺద༻ൣғΛগ֦ͣͭ͠େ͢Δ 23
24. ͜ͷεςοϓΛ SLI/SLOʹ΋൓ө͢Δ 24
25. ஈ֊తͳSLI/SLOಋೖʢվʣ લ൒ύʔτͷεςοϓΛࡉ͔͘෼ղ͠ɺվળͷϧʔϓΛૉૣ͘ճ͢ํ਑ɻ ͜ΕʹΑͬͯɺ೉қ౓ɾಋೖোนΛԼ͛Δɻ 1. ಛఆͷνʔϜ಺ͰՁ஋ݕূΛߦ͏ 2. SLOҧ൓࣌ʹߦ͏খ͞ͳΞΫγϣϯΛఆΊΔ 3. Ϣʔβʔຬ଍౓ʹؔΘΔࢦඪͷҰ෦ΛSLI/SLOʹ൓ө͠ɺӡ༻͢Δ • ඞཁʹԠͯ͡ɺSLI/SLOυΩϡϝϯτɺΤϥʔόδΣοτϙϦγʔΛ࡞੒͍ͯ͘͠ 4. Ϣʔβʔຬ଍౓ʹؔΘΔ͢΂ͯͷࢦඪΛಛఆ͠ɺSLI/SLOʹ൓ө͠ɺӡ༻͢Δ 25
26. ࢀߟ: SRE Concept Pyramidʹ ج͍ͮͨSLI/SLOΛ͢Δͱ...? 1. ద੾ͳSLIΛఆΊΔ 2. ద੾ͳSLOΛఆΊΔ 3. ΤϥʔόδΣοτΛఆٛ͢Δ 4. ΤϥʔόδΣοτͷӡ༻ϙϦγʔΛఆ ΊΔ 5. νʔϜ಺֎໰Θͣɺ৴པੑΛҙࢥܾఆ ͷ൑அ࣠ͱͯ͠औΓೖΕΔ 26
27. ࢀߟ: SRE Concept Pyramidʹج͍ͮͨSLI/SLOΛ͢Δͱ...? 1. ద੾ͳSLIΛఆΊΔ ← Hard 2. ద੾ͳSLOΛఆΊͯӡ༻͢Δ ← Very Hard 3. ΤϥʔόδΣοτΛఆٛ͢Δ ← Easy(ࣗಈࢉग़) 4. ΤϥʔόδΣοτͷӡ༻ϙϦγʔΛఆΊͯӡ༻͢Δ ← Very Hard 5. νʔϜ಺֎໰Θͣɺ৴པੑΛҙࢥܾఆͷ൑அ࣠ͱͯ͠औΓೖΕΔ ← Extream → SLI/SLOʹਂ͍ݟࣝͷ͋Δϝϯόʔ͕५୔ʹἧ͍ͬͯͳ͍৔߹ɺॳख͔Β͜ͷ ஈऔΓ͸͖ͼ͍͠ 27
28. 3. SLI/SLOΛҭͯΔ 28
29. it's a marathon, not a sprint1 1 Four steps to jumpstar.ng your SRE prac.ce 29
30. ίϥϜ: SLOͷௐ੔ - Magic Line2Λ୳͢ • ސ٬͕ຬ଍͢ΔϥΠϯΛݟۃΊɺSLO ͱͯ͠ઃఆ͍ͨ͠ • → ॳճʹઃఆͨ͠SLO͕ϚδοΫϥΠ ϯʹͳΔՄೳੑ͸௿͍ͷͰҭͯΔඞཁ ੑ͕ग़ͯ͘Δ 2 Establishing SRE Founda3ons: SRE Concept Pyramid. 30
31. SLI/SLOΛҭͯΔͨΊͷ ϓϥΫςΟε 31
32. SLI/SLOͷఆٛɾӡ༻ 32
33. ఆٛ→Ձ஋ݕূ·ͰͷྲྀΕ 1. ސ٬ຬ଍౓Λࣔ͢୅දతͳࢦඪΛ΋ͱʹSLIΛఆΊΔ 2. ࣮ଌ஋Λ΋ͱʹແཧͷͳ͍SLOΛఆΊΔ 3. SLOʹର͢Δӡ༻࣮੷Λ֬ೝ͠ɺσΟεΧογϣϯΛߦ͏ 4. 1ʙ3Λ܁Γฦ͠ɺద੾ͳSLOΛ୳͢ 33
34. ແཧͳ͘ఆٛ͢Δ • SLIͷఆٛ • Ձ஋ݕূʹਐΉͨΊʹɺҰ୴େ·͔ͳSLIΛԾܾΊ • ex. طଘͷϞχλʔͷத͔ΒʮՄ༻ੑʯͷϝτϦΫεΛҰ୴࠾༻ • ex. 0.5ඵҎ಺ʹ੒ޭ͢ΔϦΫΤετͷׂ߹ • ͋͘·Ͱ΋͖ͨͨ୆ͱ͍͏Ґஔ෇͚Ͱ͋Γɺকདྷతʹ͸ސ٬ମݧʹଈͨ͠SLIʹΞοϓσʔτ͢Δલఏ͋Γ • SLOͷఆٛ • աڈͷϞχλʔͷ܏޲ͱຬ଍౓ͷਪఆΛ͠ͳ͕ΒԾܾΊΛ͢Δ • ΠςϨʔγϣϯΛఆΊͯӡ༻͢Δ • ex. 2िؒ͝ͱʹSLOΛ֬ೝ͠ɺୡ੒౓߹͍Λ֬ೝ͢Δ • ex. SLOΛԼճͬͨ৔߹͸SLOΛ্͛Δ΂͖͔ΛվΊͯߟ͑Δ • ex. ඞཁੑ͕͋Ε͹SLO͸ͦͷ··ɺա৒Ͱ͋Ε͹SLOΛԼ͛Δ → SREνʔϜ಺ͰSLI/SLOΛҭͯɺՁ஋Λ࣮ײͨ͠Β࣍ͷεςοϓ΁ 34
35. SLOҧ൓࣌ͷӡ༻ϙϦγʔΛఆΊΔ • ʮ։ൃΛࢭΊΔʯͷΑ͏ͳۃ୺ͳΞΫγϣϯΛ͸͡Ί͔ΒτϦ Ψʔ͢Δඞཁ͸ͳ͍ • SLOͷೝ஌ͱՁ஋͕఻ΘΔʹͭΕͯɺগͣͭ͠ΞΫγϣϯΛ͢ ΔϝϯόʔͷൣғΛ޿͍͛ͯ͘ 35
36. SLOҧ൓ʹؔ͢Δஈ֊తͳϙϦγʔͷվળྫ Ϩϕϧ ΞΫγϣϯ Level1 ͳʹ΋͠ͳ͍ʢ༷ࢠΛݟΔʣ Level2 SREνʔϜ͕ݪҼΛಛఆͱରࡦΛߦ͏ Level3 SREνʔϜ͕ݪҼΛಛఆ͠ɺ։ൃνʔϜ͕ରࡦΛߦ͏ Level4 ֤νʔϜʹSLOͷਖ਼ৗԽͷ੹೚ʢݪҼಛఆʙରࡦ΍ ͖͍͠஋ݕ౼ͳͲΛҠৡ͢Δ Level5 ্هʹՃ͑ɺΠςϨʔγϣϯ͋ͨΓͷ։ൃεέδϡ ʔϧ΍ϦϦʔλΠϛϯάͷҙࢥܾఆʹSLOΛ૊Έࠐ Ή 36
37. Ϣʔβʔຬ଍౓ʹؔΘΔࢦඪΛSLI/SLO΁൓ө͢Δ • CUJʢCri'cal User JourneyʣΛಛఆ͢Δ • ex. ECαΠτ: ܾࡁAPI΁ͷϦΫΤετ͕੒ޭ͢Δׂ߹ • ex. ޿ࠂαΠτ: ޿ࠂAPI΁ͷϦΫΤετ͕nඵҎ಺ʹ੒ޭ͢Δׂ߹ • ୯ҰͷαʔϏεͰ΋ຬ଍౓Λදݱ͢ΔͨΊͷࢦඪ͸ෳ਺͋ΔՄೳੑ͕ߴ͍ • → Ұ୴͸໢ཏੑΛٻΊͣɺॏཁͳࢦඪ͔Βগͣͭ͠௥Ճ͍ͯ͘͠ͱΑ͍ ࣮ફͷཁ఺Λཧղ͢Δࡍʹ͸The Art of SLOs͕͓͢͢ΊͰ͢ 37
38. ίϥϜ: νʔϜԣஅͰSLI/SLOΛ࣮ફ͢Δ • খ͘͞͸͡Ίͨ͋ͱɺଞνʔϜΛר͖ࠐΉλΠϛϯά͸૊৫ʹ Αͬͯ͞·͟· • νʔϜΛר͖ࠐΉࡍ͸ɺ͍͖ͳΓϫʔΫϑϩʔΛڧ͍ΔͷͰ͸ ͳ͘ɺSLO Document Λ༻ҙ͢ΔͱΑ͍ 38
39. SLO Document ҎԼͷΑ͏ͳ߲໨ؚ͕·Ε͍ͯΔυΩϡϝϯ τΛ࡞੒͠ɺಋೖ࣌΍ৼΓฦΓ࣌ʹ׆༻͢Δ • αʔϏεͷ໊લɾSLOͷఆٛ • αʔϏεͷ֓ཁ • SLI/SLO • ݟ௚͠ͷεέδϡʔϧ • ΤϥʔόδΣοτϙϦγʔ ※ ॻ੶ O'Reilly - SLO αʔϏεϨϕϧ໨ඪΛ ࢀߟʹ͢ΔͱΑ͍ 39
40. 3ͭͷࠔ೉ΛͦΕͧΕஈ֊తʹҭ͍ͯͨ 40
41. SLI/SLOͷ੒ख़౓ΛϞσϧԽ͢Δ 41
42. ੒ख़౓Ϟσϧͷجຊߏ଄ ଟ͘ͷϞσϧͰ͸ɺҎԼͷ5(·ͨ͸3ʙ4)ஈ֊Ͱఆٛ͢Δ͜ͱ͕ଟ͍ɻ Ϩϕϧ ঢ়ଶ ֓ཁ Level1ɹ ॳظஈ֊ ϓϩηε͸ະఆٛͰଐਓత͔ͭ৔౰ͨΓతͳ ରԠʹґଘ͍ͯ͠Δঢ়ଶɻ Level2 ൓෮Մೳஈ֊ʢஈ֊తಋೖʣ ੒ޭͨ͠ϓϩηε͕ಛఆͷ୲౰ऀʹΑͬͯ࠶ ݱͰ͖Δঢ়ଶɻ Level3 ఆٛࡁΈஈ֊ʢඪ४Խʣ ૊৫શମͰϓϩηε͕ඪ४Խ͞ΕɺจॻԽ͞ Ε͍ͯΔঢ়ଶɻ Level4 ؅ཧ͞Εͨஈ֊ʢఆྔԽʣ ϓϩηε͕ଌఆɾධՁ͞Εɺఆྔతͳσʔλ ʹج͍ͮͯ؅ཧ͞Ε͍ͯΔঢ়ଶɻ Level5 ࠷దԽஈ֊ʢܧଓతվળʣ ఆྔతͳϑΟʔυόοΫͱֵ৽ʹΑΓɺϓϩ ηε͕ܧଓతʹվળ͞ΕΔঢ়ଶ 42
43. SLI/SLO ͷ੒ख़౓Ϟσϧྫ 43
44. ఆٛΛҭͯΔ Ϩϕϧ ঢ়ଶ Lv1 SLI/SLO͕ଘࡏ͠ͳ͍ɺ·ͨ͸୲౰ऀͷܦݧଇͰఆٛ͞Εͯ ͍Δ Lv2 Մ༻ੑͳͲͷ୅දతͳSLIΛ༻͍֤ͯαʔϏεͰSLI/SLOΛ ఆٛͰ͖Δ Lv3 SLI/SLOͷઃܭϓϩηε͕ඪ४Խ͞ΕɺSLO DocumentͳͲ Ͱ؅ཧ͞Ε͍ͯΔ Lv4 CUJ΍ސ٬ຬ଍౓ͱͷؔ܎͕ଌఆ͞ΕɺSLI/SLOͷଥ౰ੑΛ ఆྔతʹධՁͰ͖Δ Lv5 ࣄۀ໨ඪ΍ϢʔβʔߦಈͷมԽʹԠͯ͡SLI/SLOΛܧଓతʹ վળ͍ͯ͠Δ 44
45. ӡ༻ΛҭͯΔ Ϩϕϧ ঢ়ଶ Lv1 SLI/SLO͸ଘࡏ͢Δ͕׆༻͞Ε͍ͯͳ͍ Lv2 ఆظతͳSLOϨϏϡʔ΍ৼΓฦΓ͕ಛఆͷ୲౰ऀʹΑ ࣮ͬͯࢪ͞Ε͍ͯΔ Lv3 Error Budget Policy΍ϨϏϡʔखॱ͕จॻԽ͞Εɺνʔ ϜͰӡ༻͞Ε͍ͯΔ Lv4 Error Budgetফඅ཰΍SLOୡ੒཰ͳͲΛܧଓతʹܭଌ ͠ɺվળ׆ಈ΁൓ө͍ͯ͠Δ Lv5 ӡ༻݁ՌΛ΋ͱʹϙϦγʔ΍ӡ༻ϑϩʔΛܧଓతʹվ ળ͍ͯ͠Δ 45
46. ఆணΛҭͯΔ Ϩϕϧ ঢ়ଶ Lv1 SREνʔϜͷΈ͕SLI/SLOΛར༻͍ͯ͠Δ Lv2 Ұ෦ͷ։ൃνʔϜ͕SLI/SLOΛࢀর͠վળ׆ಈ΁ࢀՃ͠ ͍ͯΔ Lv3 SLI/SLOͷ׆༻ํ๏͕૊৫ඪ४ͱͳΓɺෳ਺νʔϜͰར ༻͞Ε͍ͯΔ Lv4 ϦϦʔε൑அ΍վળ༏ઌ౓ͷܾఆʹSLI/SLO͕ར༻͞Ε ͍ͯΔ Lv5 ৴པੑ͕૊৫ͷڞ௨ݴޠͱͳΓɺࣄۀɾ։ൃɾӡ༻ͷ ҙࢥܾఆʹ૊Έࠐ·Ε͍ͯΔ 46
47. ·ͱΊ • SLI/SLO͸࠷ॳ͔Β׬ᘳʹ͸࡞Εͳ͍ • →௕ظઓΛݟӽͯ͠ɺখ͘͞͸͡Ίӡ༻͠ͳ͕ΒҭͯΔͷ͕͓͢͢Ί • খ͘͞͸͡ΊͯҭͯΔࡍʹ໾ཱͭϓϥΫςΟε • SREͷಋೖεςοϓ͸SLI/SLOʹ΋ޮ͘ • ఆٛɾӡ༻ɾఆணΛͦΕͧΕஈ֊తʹվળ͢ΔͱḿΔ • খ͞ͳ੒ޭମݧ͕ɺ૊৫ʹ޿͛ΔͨΊͷ౔୆ʹͳΔ • ੒ख़౓Λఆٛ͢Δͱɺݱࡏ஍΍໨ඪʹ͍ͭͯͷσΟεΧογϣϯͷى఺ʹͳΔͷͰ͓ ͢͢Ί 47
48. ͋Γ͕ͱ͏͍͟͝·ͨ͠