> [!MultixactCreation] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_multixactcreation.png"></td><td><b>Wait Category</b></td><td>IPC</td></tr><tr><td><b>Mechanism</b></td><td><code>MultiXact</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Tuple/ModifyTable">ModifyTable</a>, <a href="Operations/Table/SeqScan">SeqScan</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>Shared Lock Identity Barrier</b>. While LWLocks handle the memory-level synchronization for MultiXacts, this IPC event tracks the higher-level process of carving out a new identity in the cluster's transaction history.</td></tr></table>