eBPF on Cloud Native - Speaker Deck

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eBPF on Cloud Native Uchio Kondo @CloudNativeDays Tokyo Meetup Image from: https://pixabay.com/images/id-2111811/

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Uchio Kondo / @udzura https://blog.udzura.jp/ ۙ౻ ͏͓ͪ Dev Productivity Team @ GMO Pepabo, Inc. RubyKaigi 2019 Local Organizer && Speaker CNDF 2019 Chair Community Organizer: #;͘͹Ͷͯ͢ (Fu-Kubernetes) Duolingo heavy user

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From Shirogane, Fukuoka, JP To Shirokane, Minato-ku, JP

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My Interests:

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* Runtimes * Kernels * Systems Programing

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Call me “Serverful Guy”

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Today

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eBPF does to Linux what JavaScript does to HTML. http://www.brendangregg.com/blog/2019-01-01/learn-ebpf-tracing.html

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eBPF is so good at tracing/networking

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Such as seccomp, perf, tc, XDP

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We use Linux to do cloud-native stuff, so eBPF is effective

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But eBPF byte codes are hard to write

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BCC can create eBPF program in combination of a little C and Python/Lua

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bpftrace(8) is a new dtrace  having a flavor of eBPF

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IO Visor is (also)  a Linux Foundation Project

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BTW:  my hobby bonsai project mruby-bcc https://github.com/udzura/mruby-bcc/blob/master/example/usdt.rb

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Demo of tracing in Kubernetes Pod https://medium.com/@calavera/spy-on-your-kubernetes-cluster-with-bpf-b09032bd1cdc

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More detailed: eBPF talk on KubeCon 2018 https://kccna18.sched.com/event/GrYw/ebpf-powered-distributed-kubernetes-performance-analysis- lorenzo-fontana-influxdata