![[assets/wl_lw_sharedtuplestore.png|256]] - **Description**: Waiting for access to a shared tuple store during parallel query execution. This store is used when multiple workers need to share large intermediate result sets in shared memory or on disk. - **Operations**: - [[Operations/CTEScan]] - [[Operations/Gather]] - [[Operations/GatherMerge]] - **Resources**: [[Resources/Memory|Memory]], [[Resources/CPU|CPU]]