驱动器上的缓存容量、所使用的硬盘算法、接口速度和磁录密度组合到一起，就构成了磁盘传输时间。
When combined, the cache capacity on the drive, the disk algorithms used, the interface speed, and the areal density, produce a disk transfer time.
当从硬盘驱动器读写表和索引数据时，DB 2使用缓冲池来缓存它们。
DB2 USES buffer pools to cache the table and index data as they are being read or written to the hard disk drive.
示例代码包含一个客户端驱动器，模仿在网格上的操作，用以演示write-behind缓存功能如何提高性能。
The sample code includes a client driver that mimics operations on the grid to demonstrate how the write-behind caching function increases performance.
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