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MySQL 5.7 Reference Manual
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20.3.3.8 Defining the System

The [system] section is used for parameters applying to the cluster as a whole. The Name system parameter is used with MySQL Enterprise Monitor; ConfigGenerationNumber and PrimaryMGMNode are not used in production environments. Except when using NDB Cluster with MySQL Enterprise Monitor, is not necessary to have a [system] section in the config.ini file.

More information about these parameters can be found in the following list:

  • ConfigGenerationNumber

    Table 20.198 This table provides type and value information for the ConfigGenerationNumber system configuration parameter

    Property Value
    Version (or later) NDB 7.5.0
    Type or units unsigned
    Default 0
    Range 0 - 4294967039 (0xFFFFFEFF)
    Restart Type N

    Configuration generation number. This parameter is currently unused.

  • Name

    Table 20.199 This table provides type and value information for the Name system configuration parameter

    Property Value
    Version (or later) NDB 7.5.0
    Type or units string
    Default [none]
    Range ...
    Restart Type N

    Set a name for the cluster. This parameter is required for deployments with MySQL Enterprise Monitor; it is otherwise unused.

  • PrimaryMGMNode

    Table 20.200 This table provides type and value information for the PrimaryMGMNode system configuration parameter

    Property Value
    Version (or later) NDB 7.5.0
    Type or units unsigned
    Default 0
    Range 0 - 4294967039 (0xFFFFFEFF)
    Restart Type N

    Node ID of the primary management node. This parameter is currently unused.


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