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This soft copy for use by IBM employees only.
Figure 108. System Performance Properties
If you are not planning to run applications interactively on the server console,
move the Boost indicator to None. This will give all background applications
higher priority when multitasking takes place.
For an application or a database server, moving the Boost indicator to half way
may prove to be a better choice. The implication is that foreground and
background applications receive equal attention from the CPU.
8.3 Virtual Memory
Windows NT often allocates up to half of the system′s RAM to a disk cache. As
a result, the operating system is often in need of physical memory. A procedure
called
paging
allows it to run applications. Paging is the procedure whereby
blocks of data from physical memory are swapped to a file located on disk.
The paging file of Windows NT is PAGEFILE.SYS. This is a contiguous area of
disk that allows the Windows NT kernel to bypass the file system to read/write
requested pages.
You can control the amount of pre-allocated space used by PAGEFILE.SYS on
your disk. From the System icon in Control Panel, select the Performance tab.
You will see Figure 108.
Now click on the Change button. You will now see the following dialog box
Figure 109 on page 133.
132 PC Server and Windows NT Integration Guide