前滚操作 meaning in English
roll forward operation
Examples
- As in all point - in - time restore operations , recovering to a mark is disallowed when the database is undergoing operations that are bulk - logged
,前滚操作将在具有指定名称的第一个标记处停止。如果指定了after - Overflowlogpath specify the location of the logs during a rollforward operation to allow access logs in multiple locations
Overflowlogpath指定前滚期间可以在哪些目录搜索需要的日志,以允许前滚操作能访问多个目录中的日志。 - With five or more cpus , a mirror server distributes its roll forward operations among multiple threads during a failover this is known as parallel redo
如果cpu的数量为五个或更多时,镜像服务器便会在故障转移过程中,在多个线程之间分配其前滚操作(称为“并行重做 - For delta backup and restore , in the same scenario , you will restore each day s delta backup image monday through saturday and roll forward to complete the recovery
对于相同场景中的delta备份和恢复,您将恢复每天的delta备份映像(星期一到星期六) ,并执行前滚操作来完成恢复。 - These failures are handled much the same way in db2 udb and oracle , by restoring either offline or online backups and using roll forward operations to recover the logs
在db2 udb和oracle中,这些失败的处理方式大致是一样的,都是通过脱机或联机备份并使用前滚操作恢复日志来完成的。