Library /sys$common/syshlp/SYSMANHELP.HLB  —  Sys Parameters, RMS_DFMBFIDX
    RMS_DFMBFIDX establishes the default RMS multibuffer count for
    indexed sequential disk operations. This value defines the number
    of I/O buffers that RMS allocates for each indexed file. For
    sequential access, a larger number that allows some of the index
    buckets to remain in memory can improve performance.

    You can set this system parameter with the DCL command
    SET RMS_DEFAULT/SYSTEM and display the parameter with SHOW RMS_
    DEFAULT.

    RMS_DFMBFIDX is an AUTOGEN and DYNAMIC parameter.
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