> [!ParallelBitmapScan] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_parallelbitmapscan.png"></td><td><b>Wait Category</b></td><td>IPC</td></tr><tr><td><b>Mechanism</b></td><td><code>ParallelBitmapHeapNext</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Page/BitmapHeapScan">BitmapHeapScan</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">This wait event is a specialized synchronization point for queries using <b>Parallel Bitmap Index Scans</b>. In this execution mode, one or more workers generate a "bitmap" of potential row locations from an index, and multiple workers then cooperate to fetch the actual pages from the heap.</td></tr></table>