eBPF & Cilium for Platform Engineers
eBPF Maps: Sharing State
An eBPF program runs on an event and then it's gone. So how does it remember anything, or communicate with user space? eBPF maps are the shared data structures that make stateful eBPF possible.
The Concept Explained
Coming soon.
How It Works
Coming soon.
Practical Application
Coming soon.
Tradeoffs and Decision Framework
Coming soon.
Common Mistakes
Coming soon.
INTERVIEW QUESTION
eBPF programs are event-triggered and stateless on their own. How do eBPF maps let them maintain state and communicate with user space? Give an example use.
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