write-ahead logging

The other half is a database manager implementation called write-ahead logging.

另一半是称作预写式日志记录（write-ahead logging）的数据库管理器实现。

My WAP has a read-write filesystem in memory for work files and logging.

我的WAP在内存中有一个只读的文件系统，用于为文件和日志提供服务。

Recovery management is a recovery strategy based on the construction of log structure and Write-Ahead Logging log record.

恢复管理则是构建在日志文件和预写式日志记录基础上。

For the later backup schemes, three implemental mechanisms are offered: configuration-based incremental backup, rule-based incremental backup and write-ahead logging backup.

并且为基于日志的增量备份提出了三种实现方案：基于配置的增量备份法、基于规则的增量备份法和基于预写式日志的备份法。

Backup, Recovery and Logging InnoDB uses write-ahead logging.

备份、恢复和日志InnoDB使用写前（write-ahead）日志记录。

In the process of checkpoint, WAL ( Write-Ahead Logging) rule does not permit updating the database before the corresponding log records having been written into the log file.

WAL（Write Ahead Logging）是指当执行检查点时，相应的日志记录刷新到稳定存储器前，不允许对数据库做实际的更新。