Microsoft KB Archive/149658

= TCP/IP Printing Causes File Cache to Grow =

Article ID: 149658

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q149658





SYMPTOMS
If you transfer large print jobs via LPR/LPD, either from a Windows NT computer to an LPD printer or from some other system to the LPD service, you notice a user interface performance degradation. The jobs need to have about the size of the physical memory of the computer.

If you look at performance counters while this happens, you find that the counter for the file cache (Memory: Cache Bytes) is very high while the process working sets decline (Process: Working Set, instance _Total).



CAUSE
While copying spool files, the TCP/IP printing components do not use the flag FILE_FLAG_SEQUENTIAL_SCAN to open the files. Thus, cache manager increases the cache size when data is read or written because it expects the application to need it again.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbprint KB149658

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