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22.5.3.3 Configuration for NDB Cluster Backups
Five configuration parameters are essential for backup:
The amount of memory used to buffer data before it is written to disk.
The amount of memory used to buffer log records before these are written to disk.
The total memory allocated in a data node for backups. This should be the sum of the memory allocated for the backup data buffer and the backup log buffer.
The default size of blocks written to disk. This applies for both the backup data buffer and the backup log buffer.
The maximum size of blocks written to disk. This applies for both the backup data buffer and the backup log buffer.
More detailed information about these parameters can be found in Backup Parameters.
You can also set a location for the backup files using the
BackupDataDir
configuration parameter. The default is
FileSystemPath/BACKUP/BACKUP-.
backup_id
Document created the 26/06/2006, last modified the 26/10/2018
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