![[assets/wl_lw_parallelhashjoin.png|256]] ![[assets/wl_lw_parallelhashjoin.png|256]] - **Description**: Waiting to synchronize between worker processes during Parallel Hash Join execution. This lock coordinates phases like building the shared hash table and beginning the probe phase. - **Operations**: - [[Operations/Hash]] - [[Operations/HashJoin]] - **Resources**: [[Resources/Memory|Memory]], [[Resources/CPU|CPU]]