> [!LogicalLauncherMain] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_activity_logicallaunchermain.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>LogicalRepLauncherMain</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Other/SubqueryScan">SubqueryScan</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3"><b>Logical Replication Launcher</b> process is in its steady-state idle loop. It is the architectural heartbeat of the logical replication system, responsible for monitoring the catalogs for new subscriptions and spawning worker processes to handle the actual data movement.</td></tr></table>