![[wl_lw_sharedtidbitmap.png|256]] ![[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**: - [[BitmapAndBitmapOr]] - [[BitmapHeapScan]] - **Resources**: [[Memory]], [[CPU]]