> [!DynamicSharedMemoryControl] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_dynamicsharedmemorycontrol.png"></td><td><b>Wait Category</b></td><td>IPC</td></tr><tr><td><b>Mechanism</b></td><td><code>DSM</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Table/SeqScan">SeqScan</a>, <a href="Operations/Index/IndexScan">IndexScan</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>Parallel Resource Management Bottleneck</b>. To prevent memory leaks and ensure that workers can find their shared data, Postgres maintains a global registry of every DSM segment currently in use.</td></tr></table>