The overall buffer size has a significant effect on DB2 performance, because a large number of pages can significantly reduce I/O, which is the most time-consuming operation.

整个缓冲区大小对 DB2 性能有巨大影响，这是因为大量的页可以显著地减少 I/O 这一最耗时的操作。

youdao

There are two sorted arrays A and B of size mand n respectively. Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)).

这个题是求两个有序数组的中间数，其实这个中间数，如果是奇数，就是中间的那个数，如果是偶数，就是中间的两个数的和的平均值。

youdao

O.tel.o overall, he says, will turn cash-flow positive in 2002, a big swing from this year's likely loss of DM2 billion, half of which is eaten by Veba.

FORBES: Ulrich Hartmann's second act