> [!LogicalApplySendData] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_logicalapplysenddata.png"></td><td><b>Wait Category</b></td><td>IPC</td></tr><tr><td><b>Mechanism</b></td><td><code>LogicalParallelApply</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/RAM">Memory</a>, <a href="Resources/CPU">CPU</a></td></tr><tr><td colspan="3"><b>Inter-Worker Flow Control Bottleneck</b>. In parallel logical replication, the leader process is responsible for decoding the incoming WAL stream and distributing individual transactions to its pool of parallel workers.</td></tr></table>