> [!WaitEvent] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_lwlock_observability_individual.png"></td><td><b>Wait Category</b></td><td>LWLock</td></tr><tr><td><b>Mechanism</b></td><td><code>WaitEventLock</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Other/FunctionScan">FunctionScan</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/RAM">Memory</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3">Contention on the <b>Observability Registration Layer</b>. While core Postgres wait events have fixed identifiers, extensions may define their own custom events to provide deeper visibility into their proprietary logic.</td></tr></table>