The checkpoint is stored in a special file called the checkpoint file.
检查点存储在称为检查点文件的特殊文件中。
The checkpoint file is updated to reflect the new location of the checkpoint.
检查点文件将更新以反映新的检查点的位置。
Statecheck operation of checkpoint preserves the user register context and user data segment of process checkpointed at this time to checkpoint file.
检查点机制的状态检查操作就是将进程在该运行时刻的用户级寄存器上下文和用户数据段保存到检查点文件中。
Only those images that correspond to a consistent snapshot are written to the checkpoint file, and the row shadows allow the currently executing transactions to run unrestricted during checkpointing.
只有那些与一致性快照相符的镜像被写到检查点文件，行影子使当前执行的事务可以在检查点创建期间不受限制地运行。
If the current checkpoint was invalid, the file system need only step back to the last good checkpoint for a valid file system.
如果当前检查点失效，文件系统只需回滚到上一个有效的检查点，重新获得有效的文件系统。
If a crash occurs, the journal can be used as a checkpoint to recover unsaved information and avoid corrupting file system metadata.
一旦系统发生崩溃，日志文件就会起到一个检查点的作用，用于恢复未保存的信息，防止损坏文件系统元数据。
The lag between the incremental checkpoint target and the log tail is also limited by 90% of the smallest online log file size.
增量检查点和日志末尾之间的间隔被最小在线日志文件大小的90%所限制。
The lag between the incremental checkpoint target and the log tail is also limited by 90% of the smallest online log file size.
增量检查点和日志末尾之间的间隔被最小在线日志文件大小的90%所限制。
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