Log records are written first to the log buffer in memory, and then to the log file, most commonly when the log buffer is full or a commit occurs.

日志记录首先被写到内存中的日志缓冲池，然后再写到日志文件，通常是在日志缓冲池已满或者发生了一次提交时写到日志文件的。

youdao

First, when XFS receives new data to be written, it records the pending transaction in RAM and simply reserves an appropriate amount of space on the underlying filesystem.

首先，当XFS接收到要写入的新数据时，它在RAM中记录暂挂事务，并只在底层文件系统上保留适当空间。

youdao

On the question of phone records, the Justice Department is guided by policy that first was written 40 years ago after the excesses of the Watergate era.

WSJ: Schumer: Group of senators to look at media leaks