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詳解 システム・パフォーマンス 1章 #33
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1.3
ref. https://sreake.com/blog/release-engineer/
https://sreake.com/blog/release-engineer/ これらを導入すると、パフォーマンステストを初期段階でする必要がない。本番環境でテストしてしまえばいい。 1.3キャパシティプランニングとはレトロスペクティブとか、SREになってから知った単語だ出てくる。 ref. https://martinfowler.com/articles/retrospective-antipatterns.html1.5.4パフォーマンス問題を見つけること自体は大したことではない。 1.6eBPFとはなんぞ? whta is eBPF?eBPF (extended Berkeley Packet Filter) is a powerful technology that allows running programs in a privileged context within the Linux kernel. Here are the key points about eBPF:What is eBPF?eBPF is a Linux kernel technology that enables running sandboxed programs in kernel space without modifying kernel source code or loading kernel modules [1]. It provides a secure and efficient way to extend kernel capabilities at runtime [1]. Key features and benefits
Use caseseBPF is used for various applications including:
Safety and verificationSafety is ensured through several layers:
History and evolution
Community and governance
In summary, eBPF represents a significant advancement in kernel-level programmability, enabling powerful functionality while maintaining system safety and efficiency. Its versatility has made it a crucial technology for modern operating systems and infrastructure. Citations: |
What do you do?
詳解 システム・パフォーマンス 1章 読む
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