> [!NOTE] ![[assets/wl_lwlock_logicalparallelapplydsa.png|256]] > > | | | > | :--- | :--- | > | **Wait Category** | LWLock | > | **Mechanism** | `LogicalRepParallelApplyLock` | > | **Operations** | [[Operations/Distributed/Redistribute]] | > | **Resources** | [[Resources/RAM|Memory]], [[Resources/CPU|CPU]] | > > Contention on the **Parallel Replication Memory Layer**. In parallel logical apply mode, multiple workers cooperatively apply changes from the same large transaction.