> [!RecoveryWalAll] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_activity_replication_hub.png"></td><td><b>Wait Category</b></td><td>Activity</td></tr><tr><td><b>Mechanism</b></td><td><code>WaitForWALToArrive</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Distributed/Redistribute">Redistribute</a></td></tr><tr><td><b>Resources</b></td><td><a href="Resources/Network">Network</a>, <a href="Resources/disk IO">disk IO</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3">That the <b>Recovery Engine</b> is caught up and is waiting for more transaction data to process. Unlike the more specific <code>RecoveryWalStream</code>, this event is triggered when the engine is willing to accept data from any configured source.</td></tr></table>