> [!HashBatchElect] > <table><tr><td rowspan="4" width="25%"><img src="assets/wl_ipc_hashbatchelect.png"></td><td><b>Wait Category</b></td><td>IPC</td></tr><tr><td><b>Mechanism</b></td><td><code>HashBatchElect</code></td></tr><tr><td><b>Operations</b></td><td><a href="Operations/Joins/HashJoin">HashJoin</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">Contention on <b>Batch Leader Election</b>. This event occurs when multiple parallel workers are coordinating to build a hash join table and are waiting to "elect" a leader process to perform a specific allocation or state change.</td></tr></table>