| 摘要 |
A computer-readable recording medium storing a data storage program, a method and a computer are provided. The computer includes a cache table including an address area for storing an address and a user data area for storing user data corresponding to the address, and executes an operation including, reading user data at a specified address from a recording medium, delta-decoding the read difference data, and determining the decompressed user data to be the read user data, and writing the read user data in the user data area of the cache table when a size of the user data read by the delta-decoding is equal to or less than a threshold value and writing an address corresponding to the read user data in the address area of the cache table, obtaining difference data between the user data requested to be written and the corresponding user data and writing the difference data.
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