04 Level 4 of 5 Summit Storage engine internals, leaderless replication, LSM trees, compaction, conflict resolution. SUMMIT Key-Value Store Design a distributed KV store — leaderless replication, quorum reads/writes, LSM tree internals, gossip membership, vector clock conflict resolution. LSM Trees Compaction Quorum W/R Gossip Protocol Hinted Handoff Vector Clocks Open case study →