Heartbeats & Failure Detection — Roadmap Step & Resources
How distributed systems detect that a node has failed
- Level: advanced
- Estimated time: 1 days
- Roadmap: System Design
Interview questions
- How do you distinguish a slow node from a dead one using heartbeats?
Study resources
- Heartbeat (Computing) (Article) — A clear reference explaining how heartbeats are used to detect node failures.
- How Distributed Systems Detect Failures (Video) — Covers failure detection as a foundational building block of distributed consensus.
Part of
- Distributed Systems Reliability — section
- System Design roadmap — the full learning path