> [!AutoVacuumMain] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_activity_autovacuummain.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>AutoVacLauncherMain</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></td></tr><tr><td colspan="3"><b>Autovacuum Launcher</b> is idling between its scheduled catalog scans. The launcher's job is to periodically check every database in the cluster and determine which tables have enough "dead" tuples (from updates and deletes) to justify a cleanup or an analyze run.</td></tr></table>