Monday, August 20, 2012

SQL Server CDC: Remember It's Not Free

Someone recently recommended that a developer use SQL Server's CDC (Change Data Capture) to create a history record for a transactional table because doing that work in a stored procedure "makes this stored procedure slow". Remember that there is no magic in CDC; it's not free.

Based on the research I did for this article:
Performance Testing SQL Server 2008's Change Data Capture functionality
"The average penalty for CDC with full recovery is 10.51%."

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