[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [CACHE\_SIZE\_UNLIMITED](./firestore_.cache_size_unlimited.md) ## CACHE\_SIZE\_UNLIMITED variable Constant used to indicate the LRU garbage collection should be disabled. Set this value as the `cacheSizeBytes` on the settings passed to the `Firestore` instance. Signature: ```typescript CACHE_SIZE_UNLIMITED = -1 ```