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To: Scumbria who wrote (44110)6/12/2000 5:52:00 AM
From: Steve Lee  Read Replies (3) | Respond to of 93625
 
If u r accessing a file which has not been accessed, and is not in virtual memory, then it is not paged out.

It is irrevlevant whether it has been paged out, still paged in, or whether it has never been paged in at all. The important factor for performance is whether it is in RAM or on disk. If it is in RAM, it will be accessed orders of magnitude faster than if it is on disk.

For a workstation, it is probable that a large percentage of the data that is being worked with can fit in the RAM, so memory performance becomes important.

For a server, there are many many gigabytes of data - so amount of RAM is more important than speed of RAM, in order to get as much data in the file/database cache as possible.

The paging file is a way of presenting applications/OS with more RAM than is physicall available, to allow the functions to work if RAM is lacking. It is irrelevant to a discussion of which type of RAM suits a server.