> [!NOTE] ![[assets/wl_lwlock_autovacuumschedule.png|256]] > > | | | > | :--- | :--- | > | **Wait Category** | LWLock | > | **Mechanism** | `AutovacuumScheduleLock` | > | **Operations** | [[Operations/Table/SeqScan]] | > | **Resources** | [[Resources/RAM|Memory]], [[Resources/CPU|CPU]] | > > Contention on the **Maintenance Prioritization Layer**. The Autovacuum Launcher must continuously scan the statistics for every table and index to decide which objects are "dirty" enough to warrant a vacuum or analyze worker.