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Aya Igarashi — Z Lab Corporation KubeCon + CloudNativeCon Europe 2020 Overview Kubernetes Meetup Tokyo #34

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@Ladicle Software Engineer

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KubeCon + CloudNativeCon Europe 2020 The Cloud Native Computing Foundation’s flagship conference. ‣ ຖ೥ϤʔϩούͰౙ͔Βय़ʹ͔͚ͯ΍͍ͬͯΔΠϕϯτ ‣ ࠓ೥͸3/30-4/2ʹAmsterdamͰ։࠵͢Δ༧ఆͩͬͨ ‣ ίϩφͷӨڹͰVirtual։࠵ʹมߋͱͳΓɺ8/17-8/20ʹ։࠵͞Εͨ ‣ ։࠵࣌ؒ͸Ϥʔϩούதԝ࣌ؒͷ13:00-18:00 (೔ຊ࣌ؒͷ20:00-1:00)

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Entrance

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Sessions

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Expo Hall

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Game Room

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Break Room

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ࢀՃऀͷ֓ཁ 29% 71% ॳճ 2ճҎ্ 54% 13% 33% ιϑτ΢ΣΞ Internet & Web ͦͷଞ 33% 30% 37% ։ൃ৬ ٕज़৬ ͦͷଞ ొ࿥ऀ਺͸18,700+(࣮ࡍʹࢀՃͨ͠ͷ͸70%), ࢀՃاۀ͸7,800ࣾ

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ηογϣϯ֓ཁ ։࠵೔͕ԆظʹͳͬͨͨΊηογϣϯ਺΍಺༰͕มߋ ‣ Kubernetesͷಋೖͱ͍ͬͨ࿩͸΄ͱΜͲແ͘ͳΓɺҰาਐΜͩ࿩͕ଟ͔ͬͨ ‣ ΧςΰϦ͝ͱͷηογϣϯ਺ͱͯ͠͸ɺηΩϡϦςΟͱωοτϫʔΫ͕࠷ଟ ‣ ࣍఺ͰCI/CDɺk8s֦ுɺOperationɺObservabilityɺML ‣ ͦͷଞɺPerformanceɺRuntimeɺServerlessɺService MeshɺStorageͳͲ ‣ KeynoteͰେ͖ͳΞφ΢ϯε͸ͳ͔ͬͨ

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ΧϯϑΝϨϯε౰೔ͷྲྀΕ Virtual͸࣭໰ͷ͠΍͢͞ & ਓؾηογϣϯͷਓ਺੍ݶແ͕͠ར఺ ‣ εϥΠυ͸ݪଇࣄલʹެ։͞ΕΔ ‣ ࣄલʹऩ࿥͞ΕͨϏσΦ͕࠶ੜ ‣ ෳ਺ηογϣϯΛฒྻࢹௌ(࣭໰)Մ ‣ Q&A͸ϦΞϧλΠϜʹ࣮ࢪ ‣ ࣌ؒ಺ʹऴΘΒͳ͍৔߹͸Slack΁ ‣ ηογϣϯऴྃޙΦϯσϚϯυࢹௌՄ

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ݸਓతʹ໘ന͔ͬͨηογϣϯ AutoScalerɺObservabilityɺPerformanceʹภͬͯ·͢ ‣ Autoscaling at Scale: How We Manage Capacity ‣ Kubernetes On Cgroup v2 ‣ Scaling Kubernetes Networking Beyond 100k Endpoints ‣ Do The Math: Auto-Scaling Applications with Kubernetes ‣ Hubble - eBPF Based Observability for Kubernetes ‣ eBPF and Kubernetes: Little Helper Minions for Scaling Microservices ‣ Standardizing Applications For the Cloud at a Global Scale ‣ Virtual Cluster - A Practical Kubernetes Hard Multi-tenancy Solution ‣ Deep Dive into Autoscaling ‣ Better Histograms for Prometheus ‣ Dynamic Configuration with ComponentConfig and the Control Loop

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Autoscaling at Scale: How We Manage Capacity Zalandoࣾͷӡ༻Λ΋ͱʹͨ͠HPA/CA/VPAͷ஫ҙ఺ͱ৽ػೳͷ঺հ ‣ HPA/CA/VPAͷ֓ཁΛͬ͘͟Γ঺հ ‣ HPAͰ͸RPS౳ΧελϜϝτϦΫεΛ ར༻͢ΔͨΊAdapterΛࣗ࡞ https://github.com/zalando-incubator/kube-metrics-adapter ‣ metrics.typeʹContainerResource͕௥ Ճ͞ΕΔ (v1.20ʹ͸ೖΓͦ͏ͳงғؾ) ‣ VPA͸v0.7.1Λforkͯ͠OOMKillϋϯυ ϦϯάΛվળͨ͠΋ͷΛ։ൃ͍ͯ͠Δ https://github.com/zalando-incubator/autoscaler

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Do The Math: Auto-Scaling Applications HPAͷύϥϝʔλઃఆ༻ͷγϛϡϨʔλ࿩ ‣ HPA͸֤ύϥϝʔλ͕ґଘ͍ͯ͠ΔͨΊόϥϯ εͷऔΕͨઃఆ͕೉͍͠ ‣ ଟ͘ͷ৔߹σϑΥϧτ஋͔ӡ༻͠ͳ͕Βͷௐ੔ ‣ ͜ΕΛ਺ֶతʹख๏ཱ͕֬Ͱ͖ͳ͍͔໛ࡧͨ͠ ‣ ෛՙͷܭࢉํ๏ͱͯ͠ɺΠϕϯτͷ99.7%ΛΧ όʔ͢Δ-3σ͔Β+3σ·ͰͷྖҬΛϦʔϚϯੵ ෼&ೋ෼๏ͰٻΊΔγϛϡϨʔλΛͭͬͨ͘ https://nephely-io.github.io/app-autoscaling-calculator/ ‣ σϞͰ͸γϛϡϨʔλͰaverageUtilization͕ 70~90%ͱͳΔΑ͏ύϥϝʔλΛௐ੔͍ͯͨ͠

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Virtual Cluster A Practical Kubernetes Hard Multi-tenancy Solution, Alibaba ‣ Ϛϧνςφϯτͷݖݶ෼཭໰୊͸VirtualΫϥ ελΛ෷͍ग़͢ํ๏Λऔͬͨ ‣ ίϯςφ͝ͱʹผͷMasterΛར༻͠ɺSuper MasterͱNode͸ڞ௨ ‣ ίϯςφ͸SandboxΛར༻ ‣ ඪ४ͷkubelet͕࢖͑ΔΑ͏ʹsyncer͕ςφϯ τʹԠͯ͡ϦιʔεΛॻ͖׵͑ ‣ ϢʔβͷΠϯλϑΣʔε͸ඪ४k8sͱಉ͡

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ൃදΛࢹௌ͢Δʹ͸? VideoͷDescriptionʹεϥΠυ͕ఴ෇͞Ε͍ͯΔSched΁ͷϦϯΫ͋Γ ‣Session List: https://kccnceu20.sched.com/ ‣YouTube: https://www.youtube.com/playlist?list=PLj6h78yzYM2O1wlsM-Ma- RYhfT5LKq0XC

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KubeCon + CloudNativeCon North America 2020 November 17-20 10:00-06:00 (EST), 00:00-08:00(JST)

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WE ARE HIRING! ͝ڵຯͷ͋Δํ͸ɺZ Labࣾһʹ௚઀͓੠͕͚͍ͩ͘͞ɻ