> [!BgWriterHibernate] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_activity_bgwriterhibernate.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>BackgroundWriterMain</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">This wait event represents the <b>Dynamic Power-Saving</b> mode of the buffer management system. To minimize unnecessary wake-ups and CPU churn on quiet systems, the background writer adaptively increases its sleep duration if it determines that the workload is not generating dirty pages fast enough to require proactive cleaning.</td></tr></table>