API Reference > presentation-backend > Core > HierarchyCacheMode HierarchyCacheMode Enumeration Beta Presentation hierarchy cache mode. Members Name Value Description Disk "disk" Hierarchy cache is created on disk. In this mode hierarchy cache is persisted between iModelopenings. Hybrid "hybrid" Hierarchy cache is created on disk. In this mode everything is cached in memory while creating hierarchy leveland persisted in disk cache when whole hierarchy level is created. Memory "memory" Hierarchy cache is created in memory. Defined in presentation/backend/src/presentation-backend/PresentationManager.ts Line 55 Last Updated: 29 November, 2022