useMmap

useMmap: number | boolean

Use SQLite's Memory-Mapped I/O for worker connections. This mode improves performance of handling requests with high I/O intensity, e.g. filtering large tables on non-indexed columns. No downsides have been noticed.

Set to a falsy value to turn off. true for memory-mapping the whole iModel. Number value for memory-mapping the specified amount of bytes.

Defined in

• presentation/backend/src/presentation-backend/PresentationManager.ts Line 374