Paging space, or swap space, is a type of logical volume that serves as a staging area for processes that are not using active random-access memory (RAM).
分页空间（或交换空间）是一种逻辑卷，用来存储不使用随机存取存储器（RAM）进程的临时区域。
The log buffer acts as a staging area in memory to hold log records instead of having the DB2 UDB engine write each log record directly to disk.
日志缓冲区作为内存中的分级区域（staging area）来保存日志记录，而不是让 DB2 UDB 引擎直接将每条日志记录写入磁盘中。
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