弱者のSRE戦略 / SRE strategy for small team

by Ryo Manzoku

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ऑऀͷ43&ઓུ 2017-11-10 Geeks Who Drink in Tokyo -AWS & ਆָࡔ Edition- 43&-PVOHF

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wຬ଍྄3ZP.BO[PLV w!SNBO[PLV w࠷ۙ5XJUUFS࡞ͬͨͷͰϑΥϩʔϛʔ w1Z$PO+1ελοϑ wझຯ͸ϥʔϝϯͱҿञͱϘϧμϦϯά w43&ʁ ࣗݾ঺հ

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43&ʁ

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wʙΠϯϑϥΤϯδχΞ wΦϯϓϨ͔Β"84ͷಋೖઃܭ΍ෳ਺ϓϩδΣΫτͷԣஅ૊৫ɾػೳ w໊ఔ౓ͷΠϯϑϥνʔϜϦʔμʔ wʙΠϯϑϥΤϯδχΞ wͻͱΓΠϯϑϥˍ৘γε wʙ෭ۀΠϯϑϥΞυόΠβʔ w͓͔͛͞·Ͱࣾͱۀ຿ҕୗܖ໿ ܦྺ

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w43&ͱ໊৐ͬͨ͜ͱ͸ͳ͍ w֓೦ࣗମ͸೥͘Β͍͔Β௥͍ͬͯͨ w43&ͷϑϦʔ൛ʢӳޠͷ΍ͭʣ͸ͬ͟ͱྲྀ͠ಡΈ wʮΠϯϑϥνʔϜ͔Β43&νʔϜʹ͠·͠ΐ͏ʯͱ͍͏ఏҊ΋ ͨ͜͠ͱ͋Δ wݞॻʹΑͬͯ৬຿ྖҬ͕มΘΔ͔ͳͱࢥ͍ͬͯͨ w࠷ۙ͸Ͱ͖Δ͜ͱΛॗʑͱ΍Δ͜ͱ͕ॏཁ͔ͳͱࢥ͍ͬͯ·͢ wݞॻ͸·͊Ͳ͏Ͱ΋Α͍ 43&ͱࢲ

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w(ࣾΈ͍ͨͳ43&νʔϜͰͳͯ͘΋43&Β͘͢͠Δʹ͸ wऑऀখ͞ͳνʔϜ wಉ͡ઓ͍ํ͸Ͱ͖ͳ͍ͷͰࣗ෼ͨͪͰߟ͑ͯ΍͍ͬͯ͘ wݸਓతͳܦݧΛ࿩͢ w͜ͷൃදΛظʹͲ͏͍͏ؾ࣋ͪͰ΍͖͔ͬͯͨΛࢥ͍ग़ͯ͠Έͨ wࣄྫΛ঺հ͢ΔͷͰͳʹ͔ࢀߟʹͳΕ͹خ͍͠ wλΠτϧͱےॻ͖͸ϥϯνΣελʔͷ๏ଇΦϚʔδϡ ऑऀͷ43&ઓུ

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ษڧͷه࿥Λ͚ͭͯάϥϑͱͯ͠ՄࢹԽͨ͠Γɺ αʔϏε಺Ͱษڧ஥ؒΛ࡞ͬͯ ͓ޓ͍ʹྭ·͠߹ͬͨΓ͢Δ͜ͱͰɺ ࠳ં͕ͪ͠ͳษڧΛश׳Խ͢Δ͜ͱ͕Ͱ͖·͢ɻ ࡏ੶ੜెͷֶशਐͪΐ͘ͱঢ়گΛఆྔσʔλͰ ೺Ѳ෼ੳ͢Δ͜ͱ͕ՄೳʹͳΓɺ ࠓ·ͰҎ্ʹतۀ΍໘ஊͷޮՌΛ޲্ͤ͞Δ͜ͱ͕ՄೳͰ͢ɻ

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wΠϯϑϥઐ೚͸Ұਓ w։ൃϝϯόʔ͸ਓલޙ w#UP$޲͚ΞϓϦͱ#UP#޲͚ࣄۀͷ྆ํΛల։ wٕज़՝୊ wΠϯϑϥඅ༻͕ෆ૬Ԡʹߴ͍ w೥΋ͷͷ3BJMTΞϓϦέʔγϣϯ wελʔτΞοϓͳͷͰ౰વɺϏδωεཁ͕݅༏ઌ ελσΟϓϥεͷ৔߹

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w֤ݸܸഁ w"84අ༻࡟ݮࣄྫ wը૾഑৴αʔόࣄྫ w৘ใઓ w৘ใऩूํ๏ w઀ۙઓ w*P5Ϙλϯࣄྫ wΠϯϑϥϩʔυϚοϓ ऑऀͷ43&ઓུ

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֤ݸܸഁ

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wٕज़՝୊ʹରͯ͠༏ઌॱҐΛ͚֤ͭͯݸܸഁ͢Δ wϏδωεΠϯύΫτͰ༏ઌॱҐ w9ΛिؒͰ΍Ε͹དྷ݄͔Βສԁ҆͘ͳΔ wΠϯϑϥٕज़ͷ༕͍͸আ͘ w࣮૷ํ๏͸ࣄલݕূ͢Δ wΠϯϑϥҎ֎ͷ੓࣏తͳ༕͍΋আ͘ w࣌ʹ͸ΤΫηϧͰඅ༻ܭࢉ৬ਓͱԽ͢ w͢΂ͯ͸ΞϓϦ࣮૷͢Δਓ͕ઐ೦Ͱ͖ΔΑ͏ʹ͢ΔͨΊ ֤ݸܸഁ

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IUUQTTQFBLFSEFDLDPNSNBO[PLVBXTGFJZPOHUP[IBOV

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wٕज़తෛ࠴͕"84අ༻ͱ͍͏ܗͰݱΕ͍ͯͨ wͲ͜ʹ͍͘Β͔͔͍ͬͯΔͷ͔ΛܧଓతʹՄࢹԽ wඅ༻͔Β໰୊఺Λൃݟ͢Δ w޻਺ͷ୅ସͱޮՌΛࢼࢉͯ͠पΓΛר͖ࠐΉ w৽ػೳͳͲͷॱংΛม͑Δ wඅ༻ରޮՌͷେ͖͍΋ͷ͔Β֤ݸܸഁ wαʔόʔΤϯδχΞ͸࣮࡞ۀʹूதͯ͠΋Β͏ w໨ඪ͕අ༻ͱ͍͏਺ࣈʹදͤΔ΋ͷͳͷͰೲಘײ͕͋ΓਐΊ ΍͍͢ "84අ༻ͱઓ͏

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IUUQUFDITUVEZQMVTDPKQFOUSZ

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wͨͿΜ͜ͷൃදͰҰ൪43&ͬΆ͍ wԽੴͷΑ͏ͳϚΠΫϩαʔϏε w·ͨ͸ɺաڈͷϦϓϨʔεͷ๨Εܗݟ w୭΋৮Εͳ͍ wཁ݅Λ·ͱΊͯΠϯϑϥͰ࠶ߏஙͨ͠ w9"DDFM3FEJSFDUΛ࢖ͬͨͷͰτϦοΩʔ͕ͩγϯϓϧʹ࡞ Εͨ OHJOYͱ(PΛ࢖ͬͨը૾഑৴αʔόΛ࡞ͬͨ

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wαʔόʔΤϯδχΞͰ΋࡞ͬͯ΋Β͑Δ w͔͠͠ɺαʔόʔΤϯδχΞʹ͸ΞϓϦέʔγϣϯʹूதͯ͠ ΄͍͠ w޻਺తʹ΋๩͍࣌͠ظͩͬͨ wΠϯϑϥ୲౰͕࣮ݱͰ͖ΔͳΒͦͪΒͰ΍ͬͯ΋Α͍͸ͣ wݞॻͰ͸ͳࣗ͘෼͕Ͱ͖Δ͜ͱͰଞͷਓͷෛ୲ΛݮΒ͢ͱ͍͏ ߟ͑ wࣾ಺Ϧιʔεશମͱͯ͠ޮ཰తʹ ͳͥը૾αʔόΛ࡞ͬͨʁ

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৘ใઓ

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w֎෦ͷ৘ใ wύϒϦοΫΫϥ΢υ w044 w಺෦ͷ৘ใ wϓϩμΫτͷํ޲ੑ w՝୊ղܾͷ༏ઌ౓ wೖࣾ৘ใ ৘ใઓ

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wւ֎΋ؚΊٕͯज़ϒϩά͸ಡΈړΔ wΠϕϯτ΍ษڧձʹࢀՃ͢Δ wେ͖ͳձࣾͷࣄྫʹࢀߟఔ౓ʹ͢Δ͜ͱ͕ଟ͍ wن໛͕ҧ͏ͷͰ՝୊͕ҧ͏৔߹͕ଟ͍ w˓˓ࣾ͞Μͷن໛ͩͱͦΜͳ೰Έ͕͋Δͷ͔ʔ wಉ͡ن໛ͷձࣾ΍΋ͬͱখ͍͞ن໛ͷձࣾͷࣄྫ͸ੵۃతʹ ࠾༻͍ͯ͠Δ wࣗࣾͷ՝୊͕Ͳ͏͍͏ཱͪҐஔͳͷ͔Λҙࣝ͢Δ Ͳ͏͍͏֎෦৘ใΛࢀߟʹ͢Δ͔

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w4MBDLͰ344GFFEΛྲྀ͢ wGFFEMJTU wଞͷϝϯόʔ΋ݟΕΔ wاۀͷ5FDIϒϩά΍"84ͷϒϩάͳͲΛొ࿥͍ͯ͠Δ wIUUQTHJUIVCDPNBOTJCMFBOTJCMFSFMFBTFTBUPNศར ࠷ۙͷ৘ใऩूํ๏

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wΞϓϦίʔυΛಡΉ w৽نʹ࠾༻͠Α͏ͱ͍ͯ͠ΔϥΠϒϥϦΛಡΈࠐΉ wϛυϧ΢ΣΞͷυΩϡϝϯτΛಡΈࠐΉ wຊ౰ʹదͨ͠બ୒ͳͷ͔Λࣗ໰ͯ͠ڞ༗͢Δ wϓϩμΫτͷ͜ͱΛͪΌΜͱߟ͑Δ wࣾ಺ͷاըܥͷձٞʹࢀՃ͢Δ wΠϯϑϥ͔ͩΒࢀՃ͠ͳ͍͍ͯ͘΍Ͱ͸ͳ͍ ಺෦৘ใͰҰ൪͘Θ͍͠ਓʹͳΔ

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઀ۙઓ

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wܾఆݖ΍࣮຿Λ୲౰͢Δਓʹ઀ۙ͢Δ wίετΧοτͳΒূڌΛूΊͯϓϩμΫτΦʔφʔʹ w࣮ࡍͷઃܭͳΒ࢓༷Λߟ͑Δਓͱ࣮૷͢Δਓʹॿݴ͢Δ wઌճΓͯ͠ௐࠪͯ͠આ໌͠΍͓ͯ͘͘͢͠ wΤΫηϧ͹͔ΓΈ͍ͯΔͱ͖΋͋Δ wʮ˓˓͞Μ͕ݴ͏͜ͱͳΒ೚ͤΒΕΔʯ ৴པͯ͠΋Β͏

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w஍ຯͰΊΜͲ͍͘͜͞ͱ΋ਐΜͰ΍Δ wυϒ͞Β͍ wશࣾͷΞΧ΢ϯτ؅ཧ wΦϑΟεωοτϫʔΫ w4MBDLͷ#PUͱ͔ wࡉ͔͍ΦϑΟε՝୊΋ղܾ͢Δ w*P5ϘλϯΛ࡞ͬͯΦϑΟεͷࢪৣ௨஌ wٕज़తʹ໘ന͍ํ๏Ͱ࣮ݱͨ͠΄͏͕ϞνϕʔγϣϯʹͳΔ ৴པ͞ΕΔͨΊʹ

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IUUQUFDITUVEZQMVTDPKQFOUSZ

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w͔ͤͬ͘खʹೖΕͨ*P5ػثͰԿ͔Ͱ͖Δ͜ͱ͸ͳ͍͔ w৘γεతͳߦಈ͍ͯͨ͠ͷͰ͢ΜͳΓ࣮ߦʹҠͤͨ wධ൑͸ฉ͍ͯͳ͍͚Ͳʜຖ೔ͪΌΜͱ࢖ΘΕ͍ͯΔ w΄΅झຯͰɺ͜͜Ͱࣗຫ͔͚ͨͬͨͩ͠ wϒϩάωλʹ͸ͳͬͨ ࢪৣ͘Μ

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wࣾ಺ʹ৘ใΛൃ৴͢Δ wΠϯϑϥΤϯδχΞ͕Ͳ͏͍͏͜ͱΛ΍͍ͬͯΔͷ͔ wϩʔυϚοϓΛ࡞ͬͨ wษڧձ΍ٕज़ΧϯϑΝϨϯεͷϨϙʔτΛ͢Δ wࣾ಺ͷاըܥͷձٞʹࢀՃ͢Δ wΠϯϑϥ͔ͩΒࢀՃ͠ͳ͍͍ͯ͘΍Ͱ͸ͳ͘ wࣗ෼͝ͱͱͯ͠ࢀՃ ࣾ಺΁ͷ৘ใൃ৴

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wʮΠϯϑϥΤϯδχΞ͸ͳʹ΍ͬͯΔ͔Θ͔Βͳ͍ʯ w೥ؒܭը wೲظͰ͸ͳ͘ɺ͜ͷࠒʹ͜͏͍͏͜ͱΛ΍͍͍ͬͯͨ wʮ͜ͷࠒʹ͸͜͏͍͏ঢ়ଶʹͳ͍ͬͯ·͢Αʯ wඇٕज़ͷਓʹ΋఻ΘΔ ΠϯϑϥϩʔυϚοϓ

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w֤ݸܸഁ w"84අ༻࡟ݮࣄྫ wը૾഑৴αʔόࣄྫ w৘ใઓ w৘ใऩूํ๏ w઀ۙઓ w*P5Ϙλϯࣄྫ wΠϯϑϥϩʔυϚοϓ ऑऀͷ43&ઓུ

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wখ͞ͳʢҰਓͷʣ43&νʔϜͰ΋΍ΕΔ͜ͱ͸͋Δ wϓϩμΫτͷதͷ৴པੑʹ੹೚Λ࣋ͭ wΩϥΩϥͨ͠43&͡Όͳͯ͘΋Α͍ wϓϩμΫτ͸43&͚ͩ͡Όͳ͘ଟ͘ͷਓ͕ؔΘ͍ͬͯΔ w৴པੑʹର͢Δ͜ͱʹ੹೚Λ࣋ͬͯؔ܎ऀશһͱਐΊΔͷ͕খ ͞ͳ43&Ͱͷઓ͍ํ ·ͱΊ

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wʙΠϯϑϥΤϯδχΞ wΦϯϓϨ͔Β"84ͷಋೖઃܭ΍ෳ਺ϓϩδΣΫτͷԣஅ૊৫ɾػೳ w໊ఔ౓ͷΠϯϑϥνʔϜϦʔμʔ wʙΠϯϑϥΤϯδχΞ wͻͱΓΠϯϑϥˍ৘γε wʙ෭ۀΠϯϑϥΞυόΠβʔ wࣾͱۀ຿ҕୗܖ໿Ҿଓ͖ελσΟϓϥε΋ wdϒϩοΫνΣʔϯΤϯδχΞˡ/FXʂʂ ܦྺଓ͖

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wνʔϜͷن໛΍ձࣾͷن໛ʹΑͬͯͰ͖Δൣғ΍΍Δ΂͖ൣғ ͕ҧ͏ wϢʔβʔ΍νʔϜͷͨΊʹͰ͖Δ͜ͱΛٕज़Ͱղܾ͢Δ͜ͱ͸ มΘΒͳ͍ wಘҙͳྖҬͰϓϩμΫτʹίϛοτ͍ͯ͠Ε͹݁Ռͱͯ͠43& ͷΑ͏ͳಇ͖ํʹͳ͍ͬͯͨ ݸਓ·ͱΊ

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