DQS performance has significantly improved with the release of Cumulative Update 1 (CU1) for SQL Server 2012. The latest DQS Performance Best Practices Guide with the updated performance numbers and other useful information is now available on the Microsoft Download Center: http://www.microsoft.com/download/en/details.aspx?id=29075 .
Below are the comparative DQS performance numbers between the SQL Server 2012 RTM and CU1 releases:
RTM | CU1 | RTM | CU1 | RTM | CU1 | RTM | CU1 | |
10K records | 1 minute | <1 minute | 1 minute | <1 minute | 2-5 minutes | <1 minutes | 1 minute | <1 minute |
100K records | 5-10 minutes | 2-4 minutes | 2-7 minutes | 1.5-5 minutes | 40-75 minutes | 10-20 minutes | 5-10 minutes | 1-2 minutes |
1M records | 1.5-3 hours | 30-75 minutes | 0.5-1.5 hours | 25-75 minutes | 7-12 hours | 2-3.5 hours | 1-4 hours | 15-60 minutes |
Go update your SQL Server 2012 by installing the CU1 release from http://support.microsoft.com/kb/2679368.
Also, do not forget to perform the additional steps mentioned in this article after installing the CU1 release to ensure that you can continue to use DQS after the CU1 installation: Upgrade DQS: Installing Cumulative Updates or Hotfix Patches on Data Quality Services .
- DQS Team
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