Syntax options:

    ALLOCATION IS n BLOCK | ALLOCATION IS n BLOCKS

    Specifies the initial allocation of the row cache file (.rdc) to
    which cached rows are written.

    If the ALLOCATION clause is not specified, the default allocation
    in blocks is approximately 40 percent of the CACHE SIZE for this
    cache.

    This clause is ignored if the row cache is defined to checkpoint
    to the database.