The buffer pool should be large enough to keep the required data in memory so that hard disk drive activity can be reduced.
缓冲池应该大到足以在内存中保留所需的数据，以便减少硬盘驱动器的活动。
For OLTP applications, it is very important to place the log files on a separate physical device where their high activity will not negatively impact other work on the same hard disk drive.
对于OLTP应用程序，将日志文件放置在单独的物理设备上是极其重要的，因为这样它们的频繁活动就不会给在同一硬盘驱动器上的其他工作带来不良影响。
In notebook computers, having more RAM can extend battery life because storing information in RAM reduces hard drive and CD-ROM activity.
在笔记本机中，有更多的RAM可以延长电池的寿命，因为把信息存储在RAM中减少了硬盘和光盘的动作。
In notebook computers, having more RAM can extend battery life because storing information in RAM reduces hard drive and CD-ROM activity.
在笔记本机中，有更多的RAM可以延长电池的寿命，因为把信息存储在RAM中减少了硬盘和光盘的动作。
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