> [!NOTE] ![[assets/wl_lwlock_logicalrepworkerdsa.png|256]] > > | | | > | :--- | :--- | > | **Wait Category** | LWLock | > | **Mechanism** | `LogicalRepWorkerLock` | > | **Operations** | [[Operations/Distributed/Redistribute]] | > | **Resources** | [[Resources/RAM|Memory]], [[Resources/CPU|CPU]] | > > Contention on the **Replication Memory Management Layer**. As a logical replication worker applies changes, it must dynamically allocate shared memory to track the structure of the tables it is modifying and to manage the streaming of large transactions.