Definition of backing store in English:

backing store


  • A device for secondary storage of data that typically has greater capacity than the primary store but is slower to access.

    • ‘These defaults will be returned if no preference value has been set, or if the backing store is inaccessible.’
    • ‘Maybe backing store support is still fully maintained and perhaps we are simply not using it correctly.’
    • ‘Although relational databases cover 90% of use cases, there are times when different backing stores are handy.’
    • ‘If this page is subsequently evicted to backing store, it will be read from there on further page faults.’
    • ‘This is set because our filesystem will live entirely in RAM and will not have a backing store of the data on any physical device, like a disk.’


backing store