NDB Cluster Configuration Files 23.3.3.8 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: Configuration generation number. This parameter is currently unused. Set a name for the cluster. This parameter is required for deployments with MySQL Enterprise Monitor; it is otherwise unused. You can obtain the value of this parameter by checking the  Ndb_system_name  status variable. In NDB API applications, you can also retrieve it using  get_system_name() . Node ID of the primary management node. This parameter is currently unused. Restart types.   Information about the restart types used by the parameter descriptions in this section is shown in the following table: 4160 Table 23.19 NDB Cluster restart types Symbol Restart Type Description N Node The parameter can be updated using a rolling restart (see Section 23.5.5, “Performing Version (or later) NDB 8.0.13 Type or units unsigned Default 0 Range 0 - 4294967039 (0xFFFFFEFF) Restart Type N (NDB 8.0.13) Version (or later) NDB 8.0.13 Type or units string Default [...] Range ... Restart Type N (NDB 8.0.13) Version (or later) NDB 8.0.13 Type or units unsigned Default 0 Range 0 - 4294967039 (0xFFFFFEFF) Restart Type N (NDB 8.0.13) •  ConfigGenerationNumber •  Name •  PrimaryMGMNode