> [!NOTE] ![[assets/wl_activity_applyworkermain.png|256]] > > | | | > | :--- | :--- | > | **Wait Category** | Activity | > | **Mechanism** | `LogicalRepApplyLoop` | > | **Operations** | [[Operations/Distributed/Redistribute]] | > | **Resources** | [[Resources/Network|Network]], [[Resources/CPU|CPU]] | > > **Logical Replication Apply Worker** is idling between transaction packets. Once a logical connection is established, the publisher streams transaction data (INSERTs, UPDATEs, DELETEs) as they are committed; the apply worker receives these packets and executes the equivalent SQL on the subscriber.