并行备份允许同时进行几个dbspaces 备份（由 $ONCONFIG参数 BAR_MAX_BACKUP 控制），如果基础设施够用，那么这样做可缩短总体备份时间。

Parallel backups allow the processing of several dbspaces ($ONCONFIG parameter BAR_MAX_BACKUP) simultaneously, thus reducing the overall backup time if the infrastructure is adequate.

youdao

为了进行总体的对比，下面的表对比MySQL和DB 2Express - c在备份和恢复方面的差异。

For an overall comparisons, the following table show how they fare with one another in backup and restore space.

youdao

为了进行总体的对比，下面的表对比MySQL和DB 2Express - c在备份和恢复方面的差异。

For an overall comparisons, the following table show how they fare with one another in backup and restore space.

youdao