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Paul Randal Explains a Performance Bug

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Paul Randal has another must-read post regarding a performance bug which surfaces in earlier versions of SQL Server 2005 and SQL Server 2008 when NOLOCK scans are executed against tables with off-row LOB data. Both the causal scenario and the nature of the fix are clearly discussed.

Get your geek beanies a-twirlin’ and check out Paul’s post.

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Comments

  • Anonymous
    May 01, 2009
    I'm amazed that such a bug could exist for so long!

  • Anonymous
    February 05, 2010
    I'm also amazed to see this bug.

  • Anonymous
    February 05, 2010
    I am also amazed about this bug. I never worked with LOB though.