FIX: Performance is significantly reduced when you set trace flag 9134 to prevent error message 601 in SQL Server 2000

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Article ID: 891201 - View products that this article applies to.
Bug #: 473403 (SQL Server 8.0)
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SUMMARY

This article describes the following information about this hotfix release:
  • The issues that are fixed by this hotfix package
  • The prerequisites for installing the hotfix package
  • Whether you must restart your computer after you install the hotfix package
  • Whether the hotfix package is replaced by any other hotfix package
  • Whether you must make any registry changes
  • The files that are contained in the hotfix package

SYMPTOMS

When you use trace flag 9134 to prevent error message 601 in Microsoft SQL Server 2000, SQL Server performance is significantly reduced. For example, certain queries may be up to two times as slow.

Note Error 601 is logged to the SQL Server 2000 error log and occurs if the page at the current position of the scan is deleted when you scan with the NOLOCK locking hint or with the transaction isolation level set to READ Uncommitted.

For a list of previous hotfixes, see the "Microsoft SQL Server 2000 post-Service Pack 3 or Microsoft SQL Server 2000 post-Service Pack 3a hotfixes" section in the following Microsoft Knowledge Base article:
290211 How to obtain the latest SQL Server 2000 service pack

CAUSE

This problem occurs because setting trace flag 9134 to TRUE causes additional reads to test whether the page is allocated and linked correctly. This check traverses Index Allocation Map (IAM) chains and Page Free Space (PFS) pages. This behavior causes the additional reads and slowdown.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
290211 How to obtain the latest SQL Server 2000 service pack

Hotfix information

Prerequisites

This hotfix requires SQL Server 2000 Service Pack 3 (SP3). For more information about how to obtain SQL Server 2000 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:
290211 How to obtain the latest SQL Server 2000 service pack
Additionally, this hotfix requires that you also have SQL Server 2000 hotfix build 2000.80.977 installed. For more information about SQL Server 2000 Post SP3a hotfix build 2000.80.977, click the following article number to view the article in the Microsoft Knowledge Base:
888007 You receive a "The product does not have a prerequisite update installed" error message when you try to install a SQL Server 2000 post-Service Pack 3 hotfix


Restart information

You do not have to restart your computer after you apply this hotfix.

Hotfix file information

This hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain all the files that you must have to fully update a product to the latest build.

The English version of this hotfix 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.
SQL Server 2000, 32-bit versions
  Date         Time   Version        Size       File name
  ----------------------------------------------------------
  11-Dec-2004  02:21  2000.80.996.0    664,128  Autoplt.dll
  11-Dec-2004  02:20  2000.80.996.0     78,400  Console.exe
  11-Dec-2004  02:21  2000.80.996.0    332,352  Ctasksui.dll
  11-Dec-2004  02:21  2000.80.996.0    315,968  Custtask.dll
  11-Dec-2004  02:21  2000.80.996.0     33,340  Dbmslpcn.dll
  11-Dec-2004  02:21  2000.80.996.0  1,905,216  Dtspkg.dll
  11-Dec-2004  02:21  2000.80.996.0    528,960  Dtspump.dll
  11-Dec-2004  02:21  2000.80.996.0     41,536  Dtsrun.exe
  11-Dec-2004  02:21  2000.80.996.0  1,557,052  Dtsui.dll
  11-Dec-2004  02:21  2000.80.996.0    639,552  Dtswiz.dll
  11-Dec-2004  02:21  2000.80.996.0    352,828  Isqlw.exe
  11-Dec-2004  02:21  2000.80.996.0     82,492  Itwiz.exe
  11-Dec-2004  02:21  2000.80.996.0     90,692  Msgprox.dll      
  29-Oct-2004  08:16  8.11.41022.0     226,304  Mssdi98.dll      
  11-Dec-2004  02:21  2000.80.996.0     62,024  Odsole70.dll
  11-Dec-2004  02:22  2000.80.996.0     25,144  Opends60.dll     
  11-Dec-2004  00:23                    17,576  Opends60.lib
  11-Dec-2004  02:21  2000.80.996.0     57,904  Osql.exe
  11-Dec-2004  02:21  2000.80.996.0    279,104  Pfutil80.dll     
  11-Dec-2004  02:21  2000.80.996.0    143,940  Qrdrsvc.exe      
  11-Dec-2004  02:21  2000.80.996.0    221,768  Replprov.dll
  11-Dec-2004  02:21  2000.80.996.0    307,784  Replrec.dll
  11-Dec-2004  02:21  2000.80.996.0    287,304  Rinitcom.dll
  11-Dec-2004  02:21  2000.80.996.0     78,416  Sdiclnt.dll
  11-Dec-2004  02:21  2000.80.996.0     66,112  Semmap.dll
  11-Dec-2004  02:21  2000.80.996.0     57,916  Semnt.dll
  11-Dec-2004  02:21  2000.80.996.0    492,096  Semobj.dll
  11-Dec-2004  02:21  2000.80.996.0     53,832  Snapshot.exe
  11-Dec-2004  02:20  2000.80.996.0     28,672  Sqlagent.dll
  11-Dec-2004  02:21  2000.80.996.0    311,872  Sqlagent.exe     
  11-Dec-2004  02:20  2000.80.996.0    168,001  Sqlakw32.dll
  11-Dec-2004  00:07                     4,352  Sqlakw32.lib
  11-Dec-2004  02:21  2000.80.996.0     33,344  Sqlctr80.dll
  11-Dec-2004  02:21  2000.80.996.0    815,676  Sqldata.dll
  11-Dec-2004  02:21  2000.80.996.0  4,215,360  Sqldmo.dll
  11-Dec-2004  02:21                    25,172  Sqldumper.exe
  11-Dec-2004  02:21  2000.80.996.0    156,224  Sqlmaint.exe     
  11-Dec-2004  02:21  2000.80.996.0    180,792  Sqlmap70.dll
  11-Dec-2004  02:21  2000.80.996.0    188,992  Sqlmmc.dll
  11-Dec-2004  02:21  2000.80.996.0    401,984  Sqlqry.dll
  11-Dec-2004  02:21  2000.80.996.0     57,920  Sqlrepss.dll
  11-Dec-2004  02:21  2000.80.996.0  7,716,945  Sqlservr.exe
  11-Dec-2004  02:21  2000.80.996.0    590,396  Sqlsort.dll
  11-Dec-2004  02:21  2000.80.996.0     45,644  Sqlvdi.dll
  11-Dec-2004  02:21  2000.80.996.0    106,588  Sqsrvres.dll     
  11-Dec-2004  02:21  2000.80.996.0     33,340  Ssmsgnet.dll
  11-Dec-2004  02:21  2000.80.996.0     33,340  Ssmslpcn.dll
  11-Dec-2004  02:21  2000.80.996.0     33,340  Ssmsqlgc.dll
  11-Dec-2004  02:21  2000.80.996.0     33,340  Ssmssnet.dll
  11-Dec-2004  02:21  2000.80.996.0     82,492  Ssnetlib.dll
  11-Dec-2004  02:21  2000.80.996.0     25,148  Ssnmpn70.dll
  11-Dec-2004  02:21  2000.80.996.0    123,456  Stardds.dll      
  11-Dec-2004  02:21  2000.80.996.0    158,240  Svrnetcn.dll
  11-Dec-2004  02:21  2000.80.996.0     76,416  Svrnetcn.exe
  11-Dec-2004  02:21  2000.80.996.0     49,228  Ums.dll
  11-Dec-2004  02:21  2000.80.996.0     74,304  Xplog70.dll      
  11-Dec-2004  02:21  2000.80.996.0     98,872  Xpweb70.dll      
SQL Server 2000, 64-bit version
  Date         Time   Version        Size        File name      Platform
  ----------------------------------------------------------------------
  11-Dec-2004  09:29  2000.80.996.0      56,832  Dbmslpcn.dll   IA-64
  11-Dec-2004  09:28  2000.80.996.0     528,960  Dtspump.dll
  11-Dec-2004  09:29  2000.80.996.0     185,856  Msgprox.dll    IA-64
  29-Oct-2004  08:16  8.11.41022.0      742,912  Mssdi98.dll    IA-64
  11-Dec-2004  09:29  2000.80.996.0     151,040  Odsole70.dll
  11-Dec-2004  09:30  2000.80.996.0      27,136  Opends60.dll
  11-Dec-2004  02:31                     19,880  Opends60.lib
  11-Dec-2004  09:29  2000.80.996.0     148,992  Osql.exe       IA-64
  11-Dec-2004  09:29  2000.80.996.0     353,280  Qrdrsvc.exe    IA-64
  11-Dec-2004  09:30  2000.80.996.0     534,528  Replprov.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0     769,024  Replrec.dll
  11-Dec-2004  09:30  2000.80.996.0     650,240  Rinitcom.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0     160,768  Semmap.dll     IA-64
  11-Dec-2004  09:30  2000.80.996.0     132,608  Semnt.dll
  11-Dec-2004  09:29  2000.80.996.0      88,576  Snapshot.exe
  11-Dec-2004  09:28  2000.80.996.0      10,240  Sqlagent.dll   IA-64
  11-Dec-2004  09:29  2000.80.996.0   1,055,232  Sqlagent.exe   IA-64
  11-Dec-2004  09:30  2000.80.996.0      90,112  Sqlboot.dll
  11-Dec-2004  09:30  2000.80.996.0      32,256  Sqlctr80.dll
  11-Dec-2004  09:30  2000.80.996.0     812,032  Sqldata.dll    IA-64
  11-Dec-2004  09:30  2000.80.996.0  13,845,504  Sqldmo.dll
  11-Dec-2004  09:29                     39,936  Sqldumper.exe  IA-64
  11-Dec-2004  09:29  2000.80.996.0     493,568  Sqlmaint.exe
  11-Dec-2004  09:30  2000.80.996.0      23,040  Sqlmap70.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0     152,064  Sqlrepss.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0  25,253,888  Sqlservr.exe
  11-Dec-2004  09:30  2000.80.996.0     616,960  Sqlsort.dll
  11-Dec-2004  09:30  2000.80.996.0     120,320  Sqlvdi.dll     IA-64
  11-Dec-2004  09:30  2000.80.996.0     227,328  Sqsrvres.dll
  11-Dec-2004  09:30  2000.80.996.0      53,760  Ssmslpcn.dll
  11-Dec-2004  09:30  2000.80.996.0      59,904  Ssmsqlgc.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0     256,000  Ssnetlib.dll   IA-64
  11-Dec-2004  09:30  2000.80.996.0      20,992  Ssnmpn70.dll
  11-Dec-2004  09:30  2000.80.996.0     430,080  Svrnetcn.dll
  11-Dec-2004  09:29  2000.80.996.0     185,856  Svrnetcn.exe
  11-Dec-2004  09:30  2000.80.996.0     183,296  Xplog70.dll
  11-Dec-2004  09:30  2000.80.996.0     187,392  Xpweb70.dll    IA-64

Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft SQL Server 2000 Service Pack 4.

MORE INFORMATION

For more information about the naming schema for Microsoft SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499 New naming schema for Microsoft SQL Server software update packages
For more information about the terminology that Microsoft uses when correcting software after it is released, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 891201 - Last Review: November 2, 2007 - Revision: 2.4
APPLIES TO
  • Microsoft SQL Server 2000 64-bit Edition
  • Microsoft SQL Server 2000 Developer Edition
  • Microsoft SQL Server 2000 Standard Edition
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft SQL Server 2000 Personal Edition
  • Microsoft SQL Server 2000, Workgroup Edition
  • Microsoft SQL Server 2000 Desktop Engine (Windows)
  • Microsoft SQL Server 2000 Enterprise Edition 64-bit
Keywords: 
kbsqlserv2000presp4fix kbbug kbfix kbhotfixserver kbqfe KB891201

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