第 2 回 Web System Architecture 研究会で(なぜか)招待講演をさせていただいたときの資料です
"ΤϯδχΞϦϯάΛͪΌΜͱΔ"͋Δ͍ "ਓྨͷฏ" ʹ͍ͭͯΫοΫύουגࣜձࣾ ΠϯϑϥετϥΫνϟʔ෦ SRE άϧʔϓ٢ ཽଠ ( @rrreeeyyy )ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 1
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ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 2
!SSSFFFZZZ!SSSFFFZZZIUUQTSSSFFFZZZDPN:PTIJLBXB3ZPUBMe• Yoshikawa Ryota ( @rrreeeyyy [reɪ] )• גࣜձࣾϋʔτϏʔπ (2010/11 ʙ 2016/12)• MSP ࣄۀ෦ ӡ༻{ελοϑ,ΤϯδχΞ}• ΫοΫύουגࣜձࣾ (2017/01 ʙ)• ΠϯϑϥετϥΫνϟʔ෦ SRE άϧʔϓ• ڵຯྖҬ• ϞχλϦϯάɾ࣌ܥྻσʔλϕʔε• ࢄγεςϜɾϩʔυόϥϯα• ࣍ճී௨ͷൃදͰࢀՃ͢Δͧ!!ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 3
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 4
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 5
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 6
[࠶ܝ] Site Reliability Engineering ͱ• αΠτͷ৴པੑͷશͯʹൣғΛ࣋ͭɺͱ͢ΔΤϯδχΞϦϯάख๏• ಛʹɺιϑτΣΞɾγεςϜΤϯδχΞϦϯάΛ༻͍ͯ՝Λղܾ͢Δ• ྫ͑ɺύϑΥʔϚϯε• ύϑΥʔϚϯεʹ͕͋Δίʔυ SRE ͕ࣗίʔυΛॻ͍ͯमਖ਼͢Δ• ྫ͑ɺεέʔϥϏϦςΟɾΞϕΠϥϏϦςΟ• ਓؒʹΑΔखಈͷ࡞ۀΛίʔυʹΑΓࣗಈԽ͢Δ• نΞΫηε͕૿େͯ҆͠ఆͯ͠αʔϏεΛఏڙͰ͖Δঢ়ଶʹ͢Δ• ΠϯϑϥΤϯδχΞͷൣғ͕૿େͨ͠தͰ͋Δछɺ৬Λ࠶ఆٛͨ͠ͱଊ͍͑ͯΔୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 7
[࠶ܝ] ӡ༻ͷݱ͔Βݟͨݚڀɾจͷੈք• ΤϯδχΞϦϯάΛͪΌΜͱΔࣄ͕ݱϨϕϧͰධՁ͞ΕΔΑ͏ʹ• ͜ͷจ຺ͷҰͭͱͯ͠ SRE ͷΑ͏ͳख๏ɾ৬छ͕ग़͖ͯͨͱ͍͏ཧղ• จΛॻ͍ͨΓಡΜͰཧղɾ࣮͢Δࣄ͕ධՁ͞ΕΔΑ͏ʹͳ͖ͬͯͨ• ࣮ࡍͷӡ༻ͷݱͰಡΜͰཧղ͢Δࣄඞཁʹͳ͖ͬͯͨ• ٕज़બఆͷࢦඪͷҰͭͱͯ͠ϛυϧΣΞͷڍಈͷཧղͳͲ• ͍ΘΏΔݚڀ։ൃͷΑ͏ͳ෦Ͱͳͯ͘ৗతʹߦ͏Α͏ʹ• ଟ͘ͷٕज़اۀͰӡ༻ɾϛυϧΣΞͷจ͕ଟ͘ग़ͯ͘ΔΑ͏ʹୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 8
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 9
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 10
จΛެ։͢Δ͜ͱͰ༏Ґੑ͕ൃੜ͢ΔΑ͏ʹ• Google, Amazon, Facebook, Ne3lix...• ଞʹେখؔΘΒ༷ͣʑͳاۀ͔Βจ͕ग़͍ͯΔ• USENIX ͷΧϯϑΝϨϯεͰٕज़اۀ͕ੵۃతʹൃද• FAST, OSDI, NSDI, LISA, Security ...• ΫϥυαʔϏεͷ෦࣮ͷϛυϧΣΞʹؔΘΒͣจ͕ग़Δ• 1 ΤϯδχΞͰจΛಡΉ͜ͱͰΫϥυαʔϏεɾϛυϧΣΞͷબఆΛߦ͏• ݚڀΛ࣮ӡ༻Ͱ͑ΔΑ͏ʹ࣮͢Δ͜ͱͰޭͨ͠ Hashicorp ͷΑ͏ͳྫ͋Δ• จΛ௨ٕͯ͡ज़ΛΦʔϓϯʹ͢Δࣄ͕اۀɾίϛϡχςΟͷ༏Ґੑʹܨ͕Δୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 11
Φʔϓϯͳϓϩηεͷݚڀɾจ͕ੈքΛม͑Δ• ػցֶशͳͲͷจ຺Ͱ arXiv Ͱͷจϕʔεͷใަ͕Μ• ͍͍͢͝Ͱٕज़͕ਐา͍ͯ͘͠ͷΛͷͨΓʹग़དྷΔ• ͍ΘΏΔԾ௨՟ϒʔϜͷى͜Γͨͬͨ 9 ϖʔδͷจ͔Β• h*ps://bitcoin.org/bitcoin.pdf• ϙΞϯΧϨ༧ɾABC ༧ͷΑ͏ͳֶͷະղܾ 1 ͭͷΦʔϓϯͳจ͔Βղܾ• h*ps://arxiv.org/abs/math/0211159• h*p://www.kurims.kyoto-u.ac.jp/~moHzuki/Inter-universal%20Teichmuller%20Theory%20I.pdf• ʰՀཟͱόβʔϧʱͷݚڀɾจ൛͕ى͖ͭͭ͋ΔͷͰͳ͍͔ʁ• "Given enough eyeballs, all bugs are shallow" ݚڀɾจͷੈքͰద༻ՄೳͳͷͰͳ͍͔ʁୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 12
ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 13
վΊͯ: Web ΤϯδχΞͷੈքʹى͖ͭͭ͋Δ͜ͱ• ݚڀɾจ͕ΦʔϓϯʹͳΓݱϨϕϧͰऔΓೖΕΒΕ͡Ίͨ• اۀίϛϡχςΟʹͱͬͯެ։͢Δ͜ͱͷ༏Ґੑ͋ΔͨΊ• Ұݸਓͱͯ͠ެ։ɾऔಘ͕༰қͱͳΓશମͱͯ͠ͷϨϕϧ্͕ͨ͠• ݚڀɾจ͕લఏͱͳΓΞʔΩςΫνϟ͕ਐา͍ͯ͘͠Α͏ʹͳ͖ͬͯͨ• ෳࡶͱ͞Ε͍͕ͯͨԿΒ͔ͷݚڀख๏Ͱ͋ΔఔղܾՄೳʹͳΔ• ϛυϧΣΞΫϥυαʔϏεɺ༷ʑͳݚڀɾจΛݟͯબΔୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 14
վΊͯ: Web ΤϯδχΞͷੈքʹى͖ͭͭ͋Δ͜ͱ• ཪΛฦͤ؆୯ͳࣄͲΜͲΜՁ͕ബΕͯ͘ΔΑ͏ʹͳͬͨ• ϛυϧΣΞͷઃఆΛͯ͠ɺͨͩಈ͔ͤΔ͚ͩͰμϝͳ࣌ʹͳͬͨ• Ͳ͏͍ͬͨઃఆͳͷ͔ʁ͜ͷઃఆʹ͢Δͱͳͥྑ͍ͷ͔ʁ• ਖ਼͍͠ཧɾίʔυϨϕϧͰਖ਼֬ʹཧղ͍ͯ͠Δ͜ͱʹҙຯ͕͋Δ• ෳࡶԽ͢ΔதͰɺυϝΠϯߋʹࡉ͔͘ࡉԽ͞ΕΔΑ͏ʹͳͬͨ• ͋Δఔ·ͰڊਓͷݞʹΕΔ͕ɺ࠷దԽͷͨΊʹ࡞ΓࠐΈ͕ඞཁ• Ͳͷ "ڊਓ" ʹΔͷ͔ʁ"ڊਓ" ΛͲ͏͍͜ͳ͔͢ʁͱ͍͏ٕྔඞཁୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 15
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"ΤϯδχΞϦϯάΛͪΌΜͱΔ"• "ͪΌΜͱΔ" ༷ʑ͋Δ͕...ྫ͑ "ͪΌΜͱͯ͠Δͳ͋" ͱ͍͏ಉ྅࣍ͷ͜ͱ͕Ͱ͖͍ͯΔ• ৫ϛυϧΣΞͷഎܠΛਖ਼͘͠ѲͰ͖Δ• ৫ϛυϧΣΞͷΛࣗΒൃݟͰ͖Δ• ৫ϛυϧΣΞͷΛղܾ͢Δख๏ΛఏҊͰ͖Δ• ఏҊͨ͠ख๏ΛࣗΒ࣮ફɾ࣮ͨ͠ΓͰ͖Δ• ఏҊͨ͠ख๏Λ࣮ફɾ࣮ͨ݁͠ՌΛଞख๏ͷ݁Ռͱൺֱ͠ߟͰ͖Δ• ্هͷ߲ΛཧతͰޡΓͷগͳ͍จষʹ·ͱΊΔ͜ͱ͕Ͱ͖Δ• ·ͱΊͨจষɾ࣮ͷ݁ՌΛެ։͠ΦʔϓϯͳͰٞ͠վળͰ͖Δୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 17
"ΤϯδχΞϦϯάΛͪΌΜͱΔ"• ݚڀɾจͷख๏ʹͱ͍ͯۙ• ࣮ࡍͷۀͱݚڀɾจͷڥքݱϨϕϧͰᐆດʹͳ͖ͬͯͨ• ࣮ࡍʹձࣾͰԿ͔େ͖ͳ͜ͱΛΔͱ͖ Design Doc Λॻ͍͍ͯΔ• খ͞ͳ͜ͱΛΔͱ͖ GitHub ͷ Issue PR Ͱٞɾ࣮Λߦ͏• Ͳ͜·ͰຊؾͰߟ͑ൈ͍ͯɺٞͯ͠ɺखΛಈ͔ͤΔ͔ɺͱ͍͏ͱ͜Ζ͕伴ʹͳΓͦ͏• "ΤϯδχΞϦϯάΛͪΌΜͱΔ" ͕Ͱ͖ΔͱׂͱͲͷͰ௨༻͢Δ• ͦͷͳ͔Ͱ༷ʑͳͷࣝΛऔΓೖΕͭͭઐΛਂԽͤ͞ΒΕΔ• WSA ݚͷΑ͏ͳ "ͪΌΜͱΔ" Φʔϓϯͳ͕͋Δ͜ͱૉΒ͍͠ͱࢥ͏ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 18
ͪΌΜͱΔɺͷ࿈Λͭ͘Δ• ͩΕ͔͕ΦʔϓϯͳͰ "ͪΌΜͱΔ" ͜ͱͰ ...• ٞʹࢀՃͨ͠ਓ "ͪΌΜͱΔ" ...• ͦͷਓ͕·ͨ "ͪΌΜͱΔ" ...• ΈΜͳͪΌΜͱͰ͖Δʂ• ੈքϨϕϧͰٕज़ͷਐา͕ૣ͘ͳΔͷͰɺͱߟ͍͑ͯΔ• ͔ͤͬ͘ΤϯδχΞͳΜ͔ͩΒٕज़ͰੈքΛม͍͑ͨ• ٕज़͕ਐา͢ΕੈքฏʹͳΔʂୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 19
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One more things...ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 21
ͳͥΔͷ͔ ຊؾͰߟ͑ͯΈΔ• ;ͱཱͪࢭ·ͬͯ ͳͥ͜ΕΛΔͷ͔ ਂ͘ߟ͑ͯ͠ΈΔ• ͳٕͥज़ΛֶͿͷʁͳͥݚڀΛ͢Δͷʁ• ୯ʹ໘ന͍͔Βʁࣄ͔ͩΒʁ৯͍ͯͨ͘Ί͚ͩʁ• ͜ͷٕज़ɾݚڀɾΞʔΩςΫνϟ͕࣮ݱͨ͠ઌʹͳʹ͕͋ΔͷͩΖ͏͔ʁ• ࣮ݱͨ͠ੈքͰɺࣗͲ͏ͳ͍͍ͬͯͨͷͩΖ͏͔ʁ• ࣮ݱͨ͠ੈքͰɺΈΜͳͲ͏ͳ͍ͬͯΔͷͩΖ͏͔ʁ• "ͪΌΜͱΔ" ͷ͍͕͠ɺ࠳ંͦ͠͏ʹͳͬͨͱ͖ࣗʹྗΛ༩͑ͯ͘ΕΔ• ΈΜͳ͕ਖ਼ࣗ͘͠ͷ৴೦Λٕ࣋ͬͯज़Λਐาͤ͞Δ͜ͱ͕ਓྨͷฏͳͷͰʁୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 22
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"ͪΌΜͱΔ" + "ͳͥΔͷ͔"=ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 24
·ͱΊ• ҰݸਓͷݱϨϕϧ͔Βݟͨ࠷ۙͷۀքͷྲྀΕʹ͍ͭͯ• ݚڀจΛϕʔεʹͨ͠ख๏͕ٞ૿͖͍͑ͯͯΔ• Ұਓͷॻ͍ͨจ͕Φʔϓϯͳʹग़ͯੈքΛม͑Δ͜ͱ• Web ΤϯδχΞʹى͖ͭͭ͋Δ͜ͱʹ͍ͭͯ؆୯ʹߟ• ؆୯ͳࣄɾ಄ΛΘͳ͍ࣄՁ͕ࣦΘΕ͍ͯ͘• "ͪΌΜͱΔ" ͜ͱ͕ඇৗʹେࣄʹͳ͍ͬͯ͘ͱ༧• "ͪΌΜͱΔ" ͨΊʹ "ͳͥΔͷ͔" ͷ࣠Λ࣋ͭ͜ͱͰਓྨ͕ฏʹͳΔ͔ୈ 2 ճ Web System Architecture ݚڀձ (2018/05/12) | Yoshikawa Ryota ( @rrreeeyyy ) 25