Help and Support

FIX: Slow Performance When the Browser Capabilities Evaluator Is Removed from the Cache

View products that this article applies to.
Article ID:819612
Last Review:October 25, 2005
Revision:4.2
On This Page

SYMPTOMS

If available memory is low, the browser capabilities evaluator object may be removed from the cache. When the browser capabilities evaluator object is required again, it is re-created.

When a process generates many objects, the garbage collection process starts. The garbage collector removes the browser capabilities object evaluator from cache and the load/unload cycle repeats.

Note This problem occurs under high stress conditions.

Back to the top

RESOLUTION

How to Obtain the Hotfix

This issue is fixed in the June 2003 ASP.NET Hotfix Package 1.1. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
821156 (http://support.microsoft.com/kb/821156/) INFO: ASP.NET 1.1 June 2003 Hotfix Rollup Package
You cannot obtain this fix individually. You must install the rollup.

Note When you request this hotfix, you receive the rollup.

The English version of this hotfix has the file attributes (or later) 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
		   -----------------------------------------------------------------------
		   07-Jun-2003  00:44  1.1.4322.910    253,952  Aspnet_isapi.dll
		   07-Jun-2003  00:44  1.1.4322.910     20,480  Aspnet_regiis.exe
		   07-Jun-2003  00:44  1.1.4322.910     32,768  Aspnet_wp.exe
		   15-May-2003  23:49                   33,522  Installpersistsqlstate.sql
		   15-May-2003  23:49                   34,150  Installsqlstate.sql
		   07-Jun-2003  12:52  1.1.4322.910  1,216,512  System.dll
		   07-Jun-2003  00:39                   14,472  Webuivalidation.js
		   07-Jun-2003  12:52  1.1.4322.910  1,249,280  System.Web.dll

Back to the top

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Back to the top

MORE INFORMATION

Steps to Reproduce the Behavior

1.Create a low memory condition. Verify that memory pressure is such that either of the following is true:
•Memory Available MBytes is approximately 10 percent of PHYSICAL_RAM.

-or-
•Private Bytes for the worker process is within 10 percent of the memory limit.
2.When a request is made for a page under light stress, and the browser capabilities evaluator object has been removed from cache, performance is slow while this resource is being regenerated.
3.In FileMon, note that the hard disk is in use repeatedly to gain access to the Machine.config file.

Back to the top

APPLIES TO
•Microsoft .NET Framework 1.1
•Microsoft ASP.NET 1.1

Back to the top

Keywords: 
kbbug kbfix kbqfe kbnetframe100presp3fix kbhotfixserver KB819612

Back to the top

Article Translations

 

Other Support Options

  • Need More Help?
    Contact a Support professional by Email, Online or Phone.
  • Customer Service
    For non-technical assistance with product purchases, subscriptions, online services, events, training courses, corporate sales, piracy issues, and more.
  • Newsgroups
    Pose a question to other users. Discussion groups and Forums about specific Microsoft products, technologies, and services.