gp_backup_directIO_read_chunk_mb
Sets the chunk size in MB when Direct I/O is enabled with gp_backup_directIO. The default chunk size is 20MB.
The default value is the optimal setting. Decreasing it will increase the backup time and increasing it will result in little change to backup time.
Value Range | Default | Set Classifications |
---|---|---|
1-200 | 20 MB | local session reload |