![[assets/wl_lw_sharedtidbitmap.png|256]] ![[assets/wl_lw_sharedtidbitmap.png|256]] - **Description**: Waiting for access to a shared TID bitmap during a parallel bitmap index scan. This coordination allows multiple workers to contribute to a single, unified bitmap of matching rows. - **Operations**: - [[Operations/BitmapAndBitmapOr]] - [[Operations/BitmapHeapScan]] - **Resources**: [[Resources/Memory|Memory]], [[Resources/CPU|CPU]]