If rows are accessed randomly, then the smaller page size enables DB2 to make better use of the buffer, because more pages fit into the same storagearea.
如果随机访问行，那么较小的页大小让db2可以更好地利用缓冲区，因为同样的存储区域可以容纳更多页。
2
A buffer pool is an area of storage in memory into which database pages (containing table rows or index entries) are temporarily read and changed.
缓冲池是内存中的一块存储区域，用于临时读入和更改数据库页(包含表行或索引项)。
3
In addition to this, the main area of water can still offer a reserve of 15 centimetres between the normal and the maximum water level, which provides a storagebuffer of 1,300 cubic metres.