> [!CheckpointerMain] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_activity_checkpointermain.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>CheckpointerMain</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/ResultSet/Materialize">Materialize</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3"><b>Checkpointer</b> is idling between scheduled checkpoint cycles. It is the steady-state for a healthy, balanced system where checkpoints are triggered by the <code>checkpoint_timeout</code> rather than by filling up the <code>max_wal_size</code>.</td></tr></table>