> [!ReplicationSlotsyncShutdown] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_replicationslotsyncshutdown.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>SlotSyncWorker</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Table/SeqScan">SeqScan</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/CPU">CPU</a>, <a href="Resources/RAM">Memory</a></td></tr><tr><td colspan="3"><b>Administrative Idle State</b>. Introduced to support failover-capable logical replication slots, the slot sync worker ensures that slot positions are mirrored from the primary to the standby.</td></tr></table>