/CACHE = number-of-buckets (default = 512)

    The InfoServer block cache is structured as an array of
    fixed-size buffers (also called buckets. The /CACHE qualifier
    determines the number of buckets in the cache. The /BUFFER_SIZE
    qualifier determines the size of each bucket.

    Numbers larger than 16384 can adversely affect performance.
    Consider increasing the /BUFFER_SIZE qualifier to reach the
    desired cache size.