Consensus & Coordination
Why agreement is hard, how Raft actually works, majority quorums and split-brain, and when you truly need a distributed lock.
- 1✓
Why is agreeing on a single value hard, and what does the FLP result actually forbid?
staff - 2✓
Explain Raft — leader election and log replication — as if to a colleague who knows databases but not consensus.
senior🎬 animated - 3✓
What is split-brain, and how do quorums and fencing tokens prevent it?
staff - 4✓
Paxos, Raft, ZAB, Multi-Paxos — how do they differ, and does the choice matter to you?
architect - 5✓
When do you actually need a distributed lock — and what's wrong with the Redis implementation everyone copies?
staff