New Replication Storage Layer ❏ Replication Task Flow ❏ Revisit Serial Replication Abstract ❏ New Replication Storage Layer ❏ Replication Task Flow ❏ Revisit Serial Replication Problems of original Replication Tools Abstract ❏ New Replication Storage Layer ❏ Replication Task Flow ❏ Revisit Serial Replication Replication task flow - version #0 HMaster Region Server - 0 Client 1.Add Peer Request ZK not alive. (HBASE-12769) ○ Hard to implement the more complex task flow for Serial Replication & Sync Replication) Replication task flow - version #1 HMaster Region Server - 0 Client 1.Add Peer Request