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Google Cloud Next 2019 わくわく報告会 / Google Cloud Next 2019 WakuWaku Report
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Masahiro Wakame
April 17, 2019
Technology
1
400
Google Cloud Next 2019 わくわく報告会 / Google Cloud Next 2019 WakuWaku Report
https://mercaridev.connpass.com/event/125881/
Masahiro Wakame
April 17, 2019
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Transcript
Google Cloud Next 2019 Θ͍Θ͍ใࠂձ In Mercari Θ͔Ί ·͞ͻΖ
Θ͔Ί ·͞ͻΖ @v vakame Masahiro Wakame Go GraphQL TypeScript AppEngine
US ڧߦ܉ •04/06 from HND to SFO •04/09-11 Cloud Next
•04/11-12 from SFO to HDN •04/14 ٕज़ॻయ6 (27Kmา͍ͨ) •04/17 ࠓʂʂ ·ͩ࣌ࠩϘέͯΔ
ࠓճͷײ (1/3) •ΞϓϦدΓ։ൃऀతʹNOT FUN •※ AppEngine/SE ͳਓؒͰ͢ •Anthosʹ࢝·ΓEnterpriseܥͷଟ͠ •Google͕CloudࢢຊؾͰऔΓʹདྷͨײ
ࠓճͷײ (2/3) •Kubernetes͔Βಀ͛ΒΕͳ͍…ʂ •͋Δఔ֮ޛܾΊΔඞཁ͕͋Γͦ͏ •͋ͱ1-2ఔಀ͛ΒΕΔؾ͢Δ •ฐࣾʹSREνʔϜ͕ډͯΑ͔ͬͨ
ࠓճͷײ (3/3) •Kubernetesͷcluester࠶࡞͔Β… •ಀΕͳ͍֮ޛΛͨ͠΄͏͕ͤʁ •Traffic Director… Istio… etc?
ࠓճͷײ (4/3) •AppEngineࢮͳΜ͞…ʂ •Cloud Run ͍͢͝Αͦ͞͏Ͱ͢Ͷ •2nd genͷҙຯ߹͍มΘ͖ͬͯͨ •ͬͯࢠݘࣂͬͯΔແ৬͕ݴͬͯͨ
Spanner Internals ࠓͷຊͰ͢ https://gist.github.com/vvakame/fd8e3e7b0ee430e9e62e83a500fd355f
Spanner Internals Part 1: What Makes Spanner Tick? Spanner Internals
Part 2: How GCP Builds Global Meta-Data and Scalable Data Backends on Spanner ࠷ۙɺࣾͰSpanner͕ ϗοτͩͬͨͷͰ… https://cloud.withgoogle.com/next/sf/sessions?session=DBS304 https://cloud.withgoogle.com/next/sf/sessions?session=DBS306
Spannerͱʁ •Relational DBͱಉ͡semantics •Schemas, ACID, Transactions, SQL •Horizontal Scale •Scale
out Ͱ͖Δʂ •MySQLͱ͔Ͱ͖ͳ͍…
Ͳ͏ͬͯʁ •PaxosΞϧΰϦζϜ •ࢄ߹ҙͷͨΊͷϓϩτίϧ •͙͙Εʂ(Θ͔Δ͚ͲΘ͔Βͳ͍ •TrueTime API •TxOpsͷॱং͚͕Մೳʹ
TrueTime? https://youtu.be/nvlt0dA7rsQ?t=860
TrueTime? •࠷৽ͷߏͷհ •1ϥοΫʹ4αʔό •2αʔό → GPSΛͬͨ࣌ࠁಉظ •2αʔό → ݪࢠ࣌ܭΛͬͨ࣌ࠁಉظ •2ͭͷݪࢠ࣌ܭͷϒϥϯυ͚Δ
TrueTime? •TrueTimeΛ͏ͱૢ࡞ͷॱ൪͕Ұҙʹ •௨৴ແ͠ʹͰ͖Δ͜ͱଟ͍ •ৄ͙͙͘͠Εʂ
Read, Write https://youtu.be/nvlt0dA7rsQ?t=977
ࢼ࡞൛Spanner •3-4ݸ͘Β͍ࢼ࡞Λ࡞ͬͨΒ͍͠ •2-3͔͔ͬͨ •৭ʑͳϛεΛͨ͠… •࠶ؼతͳσΟϨΫτϦͷαϙʔτͱ͔ •࣌ؒܦաͰղܾ͠Α͏ͱͨ͠Γͱ͔
ϑΝΠϧγεςϜͷ •ColossusͱBigtable্ʹߏங •File Systemͱಠཱ͍ͯ͠Δ •ϑΝΠϧཧHot spotΓ͠ ͯߟ͑Δ͜ͱ͕Ͱ͖ΔΒ͍͠ SpannerʹHot spot͕ͳ͍Θ͚Ͱͳ͍
҆ఆੑͷʁ •ׂͱΈΜͳΑ͘ಈ͘ •TrueTime৺Λਧ͖ඈͨ͠ •PaxosૉʹΑ͘ಈ͘ •CAPఆཧ •͋Δ͚Ͳਓੜͷେ͏·͍͘͘
ConsistencyͷͭΒΈ •Eventual consitencyਏ͘ͳ͍ʁ •Strong consistencyਓੜ͕๛͔ʹͳΔ •͋ʔͦΕΊͬͪΌΘʔ͔ʔΔʔ •୯७ʹߟ͑Δ͜ͱ͕ݮΔ •ίʔυॻ͘ྔݮΔ
SQL͍͍ΑͶ… •ॊೈ •ܕ͕͋Δʂ •ͬͺΓSchema͕͋Δͷͬͯਆͳ
୭͕ͬͯΔͷ •Merpay͕ͬͯΔΑʂ •…ஔ͍ͱ͍ͯ •Google͕ΨϯΨϯͬͯΔΑʂ •දࣄྫͱͯ͠GCSͰͷ͕ΨοπϦ
Googleͱಉ͡ͷʁ •͍͍ͩͨಉ͡ •ಉ͡Πϯϑϥ… •ಉ͡όΠφϦ…
Googleͱಉ͡ͷʁ •ҟͳΔ •ΞΫηεύε •ηΩϡϦςΟ, ίϯϓϥ •༻ޠ • Cloud Spanner nodes
→ ɹSpanner Servers • Cloud Spanner instance configurations → ɹSpanner configurations
GCSͷ •GCSͷmetadataͷཧͯ͢Spanner •SpannerʹΑΔϝϦοτͷͨ͘͞Μ •Multi regionͳҰ؏ੑ •Strongly consistent listings
GCSͷ https://youtu.be/zy-rcR4MoN4?t=604
GCSͷ https://youtu.be/zy-rcR4MoN4?t=834
GCSͷ https://youtu.be/zy-rcR4MoN4?t=1936
མͪึर͍ •Spannerͷྺ࢙ https://youtu.be/nvlt0dA7rsQ?t=1601
References •https://bit.ly/2KLGqIB •https://bit.ly/2wvMFWt •http://bit.ly/2vaskps •http://bit.ly/2IDjgl0