API Reference > presentation-backend > Core > DiskHierarchyCacheConfig DiskHierarchyCacheConfig Interface Beta Configuration for disk hierarchy cache. Extends HierarchyCacheConfigBase Properties Name Type Description directory undefined | string A directory for Presentation hierarchy cache. memoryCacheSize undefined | number While the cache itself is stored on a disk, there's still a required small in-memory cache. mode Disk Defined in presentation/backend/src/presentation-backend/PresentationManager.ts Line 98 Last Updated: 29 November, 2022