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FIX: Performance decreases over time when you back up files in SQL Server 2000

SUMMARY
Microsoft distributes SQL Server 2000 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2000 fix release.
SUMMARY
This article describes the following 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.
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Introduction

Issues that are fixed by this hotfix package

The following issue is fixed in this Microsoft SQL Server 2000 hotfix package:
  • If the SQL Server virtual address space is highly fragmented, one of the user mode schedulers can become monopolized while you run a backup command to back up the transaction log or the database files. This behavior could cause a temporary reduction in overall transactional throughput on the server. Symptoms may include other logins or queries timing out while the backup operation runs.

    Additionally, while the backup operation runs, you may receive an error message in the SQL Server error log that is similar to the following:
    2004-11-02 10:48:46.03 server Error: 17883, Severity: 1, State: 0
    2004-11-02 10:48:46.03 server The Scheduler 1 appears to be hung. SPID 169, ECID 0, UMS Context 0x000006FBCA36F9A0.
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 most recent SQL Server 2000 Service Pack
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MORE INFORMATION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional 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
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Hotfix information

Prerequisites

This hotfix requires Microsoft SQL Server 2000 Service Pack 3 (SP3). For information about how to obtain SQL Server 2000 SP3, see the following article in the Microsoft Knowledge Base:
290211 How to obtain the most recent SQL Server 2000 service pack
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Restart information

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

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Registry information

You do not have to create or modify any registry keys to enable this hotfix.

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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 of 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.
  Date         Time   Version        Size       File name  ------------------------------------------------------------------  31-May-2003  18:45  2000.80.818.0     78,400  Console.exe        25-Jun-2003  01:01  2000.80.818.0     33,340  Dbmslpcn.dll       25-Apr-2003  02:12                   786,432  Distmdl.ldf  25-Apr-2003  02:12                 2,359,296  Distmdl.mdf  30-Jan-2003  01:55                       180  Drop_repl_hotfix.sql  23-Jun-2003  22:40  2000.80.837.0  1,557,052  Dtsui.dll          23-Jun-2003  22:40  2000.80.837.0    639,552  Dtswiz.dll         24-Apr-2003  02:51                   747,927  Instdist.sql  03-May-2003  01:56                     1,581  Inst_repl_hotfix.sql  08-Feb-2003  06:40  2000.80.765.0     90,692  Msgprox.dll        01-Apr-2003  02:07                     1,873  Odsole.sql  05-Apr-2003  01:46  2000.80.800.0     62,024  Odsole70.dll       07-May-2003  20:41  2000.80.819.0     25,144  Opends60.dll       02-Apr-2003  21:48  2000.80.796.0     57,904  Osql.exe           02-Apr-2003  23:15  2000.80.797.0    279,104  Pfutil80.dll       22-May-2003  22:57                    19,195  Qfe469571.sql  11-Jul-2003  17:04                 1,084,147  Replmerg.sql  04-Apr-2003  21:53  2000.80.798.0    221,768  Replprov.dll       08-Feb-2003  06:40  2000.80.765.0    307,784  Replrec.dll        11-Jul-2003  16:56                 1,085,925  Replsys.sql  01-Jun-2003  01:01  2000.80.818.0    492,096  Semobj.dll         31-May-2003  18:27  2000.80.818.0    172,032  Semobj.rll  29-May-2003  00:29                   115,944  Sp3_serv_uni.sql  01-Jun-2003  01:01  2000.80.818.0  4,215,360  Sqldmo.dll         07-Apr-2003  17:44                    25,172  Sqldumper.exe      19-Mar-2003  18:20  2000.80.789.0     28,672  Sqlevn70.rll  02-Jul-2003  00:18  2000.80.834.0    180,736  Sqlmap70.dll       08-Feb-2003  06:40  2000.80.765.0     57,920  Sqlrepss.dll       10-Jul-2003  22:00  2000.80.840.0  7,553,105  Sqlservr.exe       08-Feb-2003  06:40  2000.80.765.0     45,644  Sqlvdi.dll         25-Jun-2003  01:01  2000.80.818.0     33,340  Ssmslpcn.dll       01-Jun-2003  01:01  2000.80.818.0     82,492  Ssnetlib.dll       01-Jun-2003  01:01  2000.80.818.0     25,148  Ssnmpn70.dll       01-Jun-2003  01:01  2000.80.818.0    158,240  Svrnetcn.dll       31-May-2003  18:59  2000.80.818.0     76,416  Svrnetcn.exe       30-Apr-2003  23:52  2000.80.816.0     45,132  Ums.dll            02-Jul-2003  00:19  2000.80.834.0     98,816  Xpweb70.dll
Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.

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STATUS
Microsoft has confirmed that this is a problem 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.

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REFERENCES
For additional information about the 17883 error message, click the following article number to view the article in the Microsoft Knowledge Base:
319892 New concurrency and scheduling diagnostics added to SQL Server
For additional 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 additional 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:
824684Description of the standard terminology that is used to describe Microsoft software updates
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Properties

Article ID: 824430 - Last Review: 11/02/2007 09:50:51 - Revision: 4.3

  • 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
  • kbhotfixserver kbqfe kbqfe kbsqlserv2000presp4fix kbfix kbbug KB824430
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