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SRE本の知られざる名シーン / The Hidden Gems of Google SRE ...
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Narimichi Takamura
July 14, 2026
Technology
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SRE本の知られざる名シーン / The Hidden Gems of Google SRE Book
SRE NEXT 2026 の mini LT で発表したときの資料です。
refs:
https://sre-next.dev/2026/
Narimichi Takamura
July 14, 2026
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Transcript
SREຊͷΒΕ͟Δ໊γʔϯ SRE NEXT 2026 mini LT Topotal @nari_ex / @kenta_hi
SRE NEXT 2026 mini LT
SRE NEXT 2026 mini LT 2
16ষ Outalator — োͷूͱੳ SRE NEXT 2026 mini LT 3
Outalator: োͷूͱੳΛ͢ΔͨΊͷ • શΞϥʔτΛड͚औΓɺऍɾάϧʔϓԽɾੳ͢ΔπʔϧʢEscalator ͷ্ʹߏஙʣ • incident ͷू • 1ͭͷࣄ͕ෳΞϥʔτΛ໐Β͢
→ ·ͱΊͯ 1 incident ʹ • ʮ1͋ͨΓΠϯγσϯτʯͱʮΞϥʔτʯΛ͚ͯޠΕΔ • ࣗ༝ܗࣜλά • ίϩϯͰ֊Խɿcause:network:switch / bug:76543 / bogusʢޡݕʣ → Ξϥʔτ ʮͦͷͰফ͢௨ʯ Ͱͳ͘ ʮޙͰੳͰ͖Δσʔλʯ ʹͳΔ SRE NEXT 2026 mini LT 4
Outalator ͕࣮ӡ༻Ͱޮ͍ͨ໘ • τϨϯυʗνʔϜؒൺֱ • ͦͷෛՙ“௨ৗ”͔ʁ Λʮࠓि͚ͩ3ճʯͳͷ͔ʮલຖ5ճʯͩͬͨͷ͔ɺΛจ຺Ͱஅ • ԣஅతͳݪҼಛఆ •
ผαʔϏεͷʮݹ͍σʔλʯͱʮߴϨΠςϯγʯ͕ ಉ͡ωοτϫʔΫ ༝དྷͩͱؾ͚ͮΔ • ΫϩενʔϜՄࢹੑ • ࣗͷো͕ Bigtable ىҼͳͷʹBigtable νʔϜؾ͍͍ͮͯͳ͍ → ͪ͜Β͔Βୟ͍ͯશମͷஅΛՃ • ࠪϩάͷస༻ • ਓʹ௨͠ͳ͍“μϛʔઃఆ”ͰಛݖΞΧϯτ༻ඇႈδϣϒΛࣗಈه͢Δ → λάΛ͋͑ͯ“ࣗ༝ܗࣜ”ʹͯ͠ɺνʔϜͰࣗવʹҭͯΔྨͷํ͕ɺ౷੍ΑΓྑ͍σʔλʹͳΔ SRE NEXT 2026 mini LT 5
25ষ ෛՙάϥϑͷ“ܗ”ΛಡΉ — 3ͭͷయܕύλʔϯ SRE NEXT 2026 mini LT 6
ఆظύΠϓϥΠϯ͕ੜΉෛՙͷบ ൜ਓʮ୯ମͷδϣϒʯͰͳ͘ʮλΠϛϯάͱʯʹજΉ • Thundering Herd • αΠΫϧຖʹઍϫʔΧʔ͕ ಉ࣌ʹ ىಈ͠ɺӶ͍εύΠΫ •
ϦτϥΠʮ͍→ϫʔΧʔ૿͢ʯͰ૿෯ʢbuggy 10,000 worker jobʣ • Moiré Load Pa2ern • ෳύΠϓϥΠϯͷҐ૬͕ ࣌ʑॏͳΓɺڞ༗Ϧιʔεʹׯবࣶঢ়ͷϐʔΫ • ୯ମͰਖ਼ৗɺॏͳͬͨॠ͚ؒͩ௧Ή • Hanging Chunk • ސ٬͝ͱʹσʔλྔ͕ภΓɺ࠷େͷ1݅ ͕શମͷྃ࣌ؒΛࢧ SRE NEXT 2026 mini LT 7
SRE NEXT 2026 mini LT 8
ݕग़ͱฏ४Խͷצॴ • ՄࢹԽͯ͠ॏͶ߹ΘͤΛݟΔ • δϣϒ܈ͷىಈ࣌ࠁΛ࣌ܥྻͰฒɺׯবϐʔΫΛૣظൃݟ • ϦΞϧλΠϜʹଌΔ • ఆظύΠϓϥΠϯ ྃ࣌ʹ͔͠
౷ܭΛग़͞ͳ͍ • ࣦഊ͢Δͱσʔλ͕ແ͍ • → ࣮ߦதϝτϦΫεΛ࣋ͭ • ฏ४Խ͢Δ • ىಈ࣌ࠁΛͣΒ͢ʗॲཧΛࡉཻʹׂΔʗܧଓॲཧҠߦ SRE NEXT 2026 mini LT 9
28ষ ৽ਓSREΛҭͯΔ — “ࠞಱͰͳ͘ߏ” SRE NEXT 2026 mini LT 10
ֶͼͷΛͲ͏࡞Δ͔ “trial by fireʢݱʹ์ΓࠐΉʣ”Ͱͳ͘ɺ࣮֬ͳεςοϓͰ৴པͱೳྗΛங͘ • ߏԽ͞Εֶͨशܦ࿏ — σʔλͷྲྀΕʹԊͬͯੵΈ্͛ʢNW → ϑϩϯτ
→ தؒ → Πϯϑϥ → ౷ ߹σόοάʣ • On-Call Learning Checklist — ֤ஈ֊ͰʮΔ͖͜ͱɾಡΉࢿྉɾཧղΛ͏ઃʯ खॱͷ҉هͰͳ͘ جຊݪཧ Λ͏ • ҭ͍ͯͨ3ͭͷࢿ࣭ • ϦόʔεΤϯδχΞϦϯάʢॳݟͷγεςϜΛਪ͢Δʣ • ౷ܭతࢥߟʢେͳܾఆΛൺֱͰמΓࠐΉʣ • ଈڵྗʢखॱॻ͕ޮ͔ͳ͍࣌ʹखஈΛΈ߹ΘͤΔʣ SRE NEXT 2026 mini LT 11
ஈ֊తʹ࣮ઓدͤΔ4ख๏ • աڈ/ՍۭͷোΛि࣍ϩʔϧϓϨΠ • GM ͕ঢ়گΛಈతʹग़͠ɺِͷख͕͔ΓʢϛεϦʔυʣͰ༳͞ͿΔ • Shadow On-Call •
ϖʔδΛड͚Δͷ ϕςϥϯʢਖ਼ࣜͳΦϯίʔϧʣɻ৽ਓԣͰ؍͢Δ͚ͩ • ࣌ؒతϓϨογϟʔແ͠ͰରԠ͕ల։͢Δ༷ࢠΛݟͯɺࣄޙʹࢥߟաఔΛڞ༗ • Reverse Shadowʢٯγϟυʣ • ׂసɻ৽ਓ͕ primary ΦϯίʔϧʹͳΔ • ϕςϥϯӨ͔Βஅ͢Δ͕ ঢ়ଶม͑ͳ͍ SRE NEXT 2026 mini LT 12
3ஈ֊Ͱ৽ਓΛҰਓલʹ͢Δ 1. ݟֶͯͿʢShadowʣ 2. ΒͤͯݟकΔʢReverse Shadowʣ 3. ಠΓཱͪ ஈ֊తʹݖݶΛҕৡ͠ɺ৺ཧతѹྗΛཧ͠ͳ͕Β࣮ઓྗΛཆ͏ SRE
NEXT 2026 mini LT 13
·ͱΊɿ ͯ͢ͷ՝ ʮΈͰղ͘ʯ • 16ষ: ΞϥʔτΛ هͯ͠ੳͰ͖Δσʔλ ʹม͑ͯରࡦΛ͢ ΔΈΛͭ͘Δ •
25ষ: ෛՙͷΛಡΈɺෛՙͷλΠϛϯάͱ Λۉ͢ • 28ষ: ҭΛࠜੑͰͳ͘ ߏͱϓϩηε Ͱઃܭ͢Δ SRE NEXT 2026 mini LT 14
ʮSREΛ͡ΊΑ͏ʯͷྠಡ ϙουΩϟετ։࢝ʂ X ΞΧϯτ: @read_sre_again Ͱ࠷ ৽ใΛߘͯ͠·͢ʂ SRE NEXT 2026
mini LT 15
PR: ͏Ұߟ͑ΔSRE #1 SRE ͷ࣮ફࣄྫΛ࣋ͪدΓɺۀքશମͷऔΓΈΛΑΓΑ͘͢Δ͜ͱΛతͱͨ͠ΦϑϥΠϯษڧձ SRE NEXT 2026 mini LT
16
Thank you! SRE NEXT 2026 mini LT 17