> [!applytransaction] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_lock_applytransaction.png"></td><td><b>Wait Category</b></td><td>Lock</td></tr><tr><td><b>Mechanism</b></td><td><code>LogicalApply</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/disk IO">disk IO</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3"><b>Replication Ordering Barrier</b>. In some replication configurations (specifically those involving parallel apply or conflict resolution), the engine must ensure that transactions are finalized in a specific order to maintain data consistency.</td></tr></table>