崩溃恢复是对日志文件进行处理,确保所有已提交的事务被写到磁盘,所有未提交的事务被回滚。
Crash recovery is the processing of the log files, making sure all committed transactions are written to disk and uncommitted transactions are rolled back.
另外还使用一个小磁盘进行自动内部集群恢复。
Another small disk will be leveraged for automatic internal cluster recovery purposes.
有了这个紧急维护空间,就可以利用它对一块已满的磁盘进行恢复。
That emergency maintenance space is there so it can be used to recover from an overfull disk.
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