VMS Help  —  RMU72  Set  Shared Memory, Command Qualifiers

1  –  Log

    Log
    Nolog

    Specifies whether the processing of the command is reported to
    SYS$OUTPUT. Specify the Log qualifier to request log output and
    the Nolog qualifier to prevent it. If you specify neither, the
    default is the current setting of the DCL verify switch.

2  –  Rad Hint

    Rad_Hint=n
    Norad_Hint

    Indicates a request that memory should be allocated from the
    specified OpenVMS Alpha Resource Affinity Domain (RAD). This
    qualifier specifies a hint to Oracle Rdb and OpenVMS about where
    memory should be physically allocated. It is possible that if
    the requested memory is not available, it will be allocated from
    other RADs in the system. For systems that do not support RADs, a
    Rad_Hint value of zero is valid.

    The Rad_Hint qualifier is only valid when the shared memory type
    is set to Resident. If you set the shared memory type to System
    or Process, you disable any previously defined RAD hint.

    Use the Norad_Hint qualifier to disable the RAD hint.

                                   NOTE

       OpenVMS support for RADs is available only on the
       AlphaServer GS series systems. For more information about
       using RADs, refer to the OpenVMS Alpha Partitioning and
       Galaxy Guide.

3  –  Type

    Type=option

    If you use the Type qualifier, you must specify one of the
    following options:

    o  Process

       Specifies traditional shared memory global section, which
       means that the database global section is located in process
       (P0) address space and may be paged from the process working
       set as needed.

    o  Resident

       Specifies that the database global section is memory resident
       in process (P0) address space using OpenVMS Alpha shared page
       tables. This means that the global section is fully resident,
       or pinned, in memory, and uses less physical and virtual
       memory (for process page tables) than a traditional shared
       memory global section.

    o  System

       Specifies that the database global section is located in
       OpenVMS Alpha system space, which means that the section is
       fully resident, or pinned, in memory, does not use process
       (P0) address space, and does not affect the quotas of the
       working set of a process.
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