In depth# PGD concepts explained PGD concepts PGD Expanded concepts Replication How Replication Works Commit scopes and replication What is replicated? PGD Nodes and Groups Data Nodes Groups Witness Nodes Subscriber-only Nodes Logical Standby Nodes Connection Management Locking Kinds of Locks DDL locking DML locking Which locks are used when? Durability Commit Scopes Lag Control Lag Control in PGD Expanded Commit Scopes Geo-Distributed Clusters Advanced Durability Conflict Management