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FIX: Large queries that modify data run slower than expected when many locks accumulate in a SQL Server 2008 R2 or in SQL Server 2012Article ID: 2754301 - View products that this article applies to. Microsoft distributes Microsoft SQL Server 2008 R2 Service Pack 1 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 2008 R2 Service Pack 1 fix release. On This PageSymptomsAssume that you execute transactions that change data and consume lots of locks in Microsoft SQL Server 2012, in Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2008. When hundreds of thousands of locks are consumed, modification queries may run slower than expected. ResolutionCumulative update informationCumulative Update 2 for SQL Server 2012 SP1The fix for this issue was first released in Cumulative Update 2. For more information about how to obtain this cumulative update package for SQL Server 2012 SP1, click the following article number to view the article in the Microsoft Knowledge Base:2790947 Note Because the builds are
cumulative, each new fix release contains all the hotfixes and all the security fixes
that were included with the previous SQL Server 2012 SP1 fix release. We recommend that
you consider applying the most recent fix release that contains this hotfix. For more
information, click the following article number to view the article in the Microsoft
Knowledge Base:
(http://support.microsoft.com/kb/2790947/
)
Cumulative update package 2 for SQL Server 2012
Service Pack 12772858
(http://support.microsoft.com/kb/2772858/
)
The SQL
Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was
releasedCumulative Update 5 for SQL Server 2012The fix for this issue was first released in Cumulative Update 5. For more information about how to obtain this cumulative update package for SQL Server 2012, click the following article number to view the article in the Microsoft Knowledge Base:2777772 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2777772/
)
Cumulative update package 5 for SQL Server 2012
2692828
(http://support.microsoft.com/kb/2692828/
)
The SQL Server 2012 builds that were released after SQL Server 2012 was released
Cumulative Update 4 for SQL Server 2008 R2 SP2The fix for this issue was first released in Cumulative Update 4. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 SP 2, click the following article number to view the article in the Microsoft Knowledge Base:2777358 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 SP 2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2777358/
)
Cumulative update package 4 for SQL Server 2008 R2 Service Pack 2
2730301
(http://support.microsoft.com/kb/2730301/
)
The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 2 was released
SQL Server 2008 R2 Service Pack 1The fix for this issue was first released in Cumulative Update 9. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:2756574 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 Service Pack 1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2756574/
)
Cumulative update package 9 for SQL Server 2008 R2 Service Pack 12567616
(http://support.microsoft.com/kb/2567616/
)
The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 1 was releasedCumulative update 8 for SQL Server 2008 Service Pack 3 (SP3)The fix for this issue was first released in Cumulative Update 8. For more information about how to obtain this cumulative update package for SQL Server 2008 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:2771833
(http://vkbexternal.partners.extranet.microsoft.com/VKBWebService/ViewContent.aspx?scid=KB;EN-US;2771833)
Cumulative update package 8 for SQL Server 2008 Service Pack 3Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 Service Pack 3 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 2629969
(http://vkbexternal.partners.extranet.microsoft.com/VKBWebService/ViewContent.aspx?scid=KB;EN-US;2629969)
The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 3 was releasedNote To enable this hotfix, you must enable the 2430 trace flag. StatusMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. WorkaroundTo work around this issue, apply one of the following methods:
More informationFor more information about the DBCC FREESYSTEMCACHE command, go to the following MSDN website: General information about DBCC FREESYSTEMCACHE
(http://msdn.microsoft.com/en-us/library/ms178529(v=sql.105).aspx)
PropertiesArticle ID: 2754301 - Last Review: January 24, 2013 - Revision: 5.0 Applies to
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