Microsoft KB Archive/840175

= FIX: The DeleteExpiredSessions stored procedure causes performance problems in the .NET Framework 1.1 =

Article ID: 840175

Article Last Modified on 4/7/2006

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APPLIES TO


 * Microsoft .NET Framework 1.1

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SYMPTOMS
The DeleteExpiredSessions stored procedure is included in the Microsoft .NET Framework 1.1 InstallPersistSqlState.sql template. If a program calls the DeleteExpiredSessions stored procedure, you may experience the following performance problems:
 * The execution time is about 0.8 seconds.
 * The physical resource pressure is 8,000 logical reads, or 64 MB.
 * The stored procedure runs every minute.



Software update information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
None.

Restart requirement
You do not have to restart your computer after you apply this software update.

Software update replacement information
This software update does not replace any other software updates.

File information
The English version of this software update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.   Date         Time    Version        Size       File name --  06-Apr-2004  08:12   1.1.4322.1023    258,048  Aspnet.isapi.dll 06-Apr-2004 08:12   1.1.4322.1023     20,480  Aspnet.regiis.exe 06-Apr-2004 08:12   1.1.4322.1023     32,768  Aspnet.state.exe 06-Apr-2004 08:12   1.1.4322.1023     32,768  Aspnet.wp.exe 05-Apr-2004 19:39                     33,718  Installpersistsqlstate.sql 05-Apr-2004 19:39                     34,342  Installsqlstate.sql 05-Apr-2004 19:39                     35,243  Installsqlstatetemplate.sql 06-Apr-2004 08:03   1.1.4322.1023     94,208  Perfcounter.dll 06-Apr-2004 08:07                      8,571  Smartnav.js   07-Apr-2004  02:21   1.1.4322.1023  1,220,608  System.dll 07-Apr-2004 02:21   1.1.4322.1023    241,664  System.messaging.dll 07-Apr-2004 02:21   1.1.4322.1023    323,584  System.runtime.remoting.dll 07-Apr-2004 02:21   1.1.4322.1023    131,072  System.runtime.serialization.formatters.soap.dll 07-Apr-2004 02:21   1.1.4322.1023  1,257,472  System.web.dll 07-Apr-2004 02:21   1.1.4322.1023    819,200  System.web.mobile.dll 07-Apr-2004 02:21   1.1.4322.1023    569,344  System.web.services.dll 07-Apr-2004 02:21   1.1.4322.1023  1,339,392  System.xml.dll 03-Oct-2003 18:20                      2,119  Uninstallsqlstatetemplate.sql 06-Apr-2004 08:07                     14,482  Webuivalidation.js



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

