When a modified permanent storage page needs to be paged out (moved from memory to disk), it is written to a file system.
当经过修改的永久存储分页需要换出(从内存移动到磁盘)的时候，会将它写入到文件系统中。
When a process references a page which is on disk, it must be paged, which could cause other pages to page out again.
当进程引用磁盘上的某个页面时，必须将其换入，这可能会导致将其他页面换出。
When modified working storage pages need to be paged out (moved from memory to the disk), they are written to paging space.
当需要将经过修改的工作存储分页替换出(从内存移动到磁盘)时，它们将被写入到分页空间。
The virtual portion is quite expandable by the database server and can be paged out to disk by the operating system.
虚拟区可以通过数据库服务器得到较大扩展，并且可以通过操作系统将虚拟区页移出(page out)磁盘。
These techniques increase the probability that a called function is in memory when it is needed and will not have to be paged from disk.
这些技巧可以增加当您需要呼叫某个函式时它就在记忆体中而不需再从磁碟分页的可能性。
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。
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。
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