Linux BPF Superpowers
Video: https://www.facebook.com/atscaleevents/videos/1693888610884236/ . Talk by Brendan Gregg from Facebook's Performance @Scale: "Linux performance analysis has been the domain of ancient tools and metrics, but that's now changing in the Linux 4.x series. A new tracer is available in the mainline kernel, built from dynamic tracing (kprobes, uprobes) and enhanced BPF (Berkeley Packet Filter), aka
Netflix: From Clouds to Roots
Surge 2014: From Clouds to Roots: root cause performance analysis at Netflix. Brendan Gregg. At Netflix, high scale and fast deployment rule. The possibilities for failure are endless, and the environment excels at handling this, regularly tested and exercised by the simian army. But, when this environment automatically works around systemic issues that aren’t root-caused, they can grow over time.
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