InterviewHubPRO
Section Overview
Q31

Question 31 of 50

Part 3: Distributed Transactions, Consensus & Reliability (26 - 36)

62%
System Design (50 Qs)•Part 3: Distributed Transactions, Consensus & Reliability (26 - 36)

Gossip Protocols and Cluster Membership Discovery.

In Simple Words: A decentralized peer-to-peer communication protocol where nodes periodically exchange membership and liveness state with a small set of random peers, spreading information exponentially like an epidemic.

  • Used by Apache Cassandra, Amazon DynamoDB, and HashiCorp Consul.
  • Ensures high resilience: cluster converges to complete knowledge even if $50%$ of nodes fail.
Previous Question (30)

Distributed Locking: Redlock Algorithm vs ZooKeeper / etcd.

Next Question (32)

Resolving Concurrent Write Conflicts: Last-Write-Wins (LWW) vs CRDTs.