Increasing the size of the buffer is expensive, as it comes from non paged memory that cannot be swapped out to disk, so keep the buffer as small as possible.

增加缓冲区大小的代价很高，因为它来自不能交换到磁碟的未分页记忆体，所以尽可能让缓冲区愈小愈好。

youdao

Increasing the size of the buffer is expensive, as it comes from non paged memory that cannot be swapped out to disk, so keep the buffer as small as possible.

增加缓冲区大小的代价很高，因为它来自不能交换到磁碟的未分页记忆体，所以尽可能让缓冲区愈小愈好。

youdao