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Multiple Hash V1.5.1

Rating: No reviews yet
Downloads: 923
Change Set: 78294
Released: May 24, 2012
Updated: May 25, 2012 by kmartin
Dev status: Stable Help Icon

Recommended Download

Application SetupMultipleHash2012_V1.5.1.exe
application, 234K, uploaded May 24, 2012 - 551 downloads

Other Available Downloads

Application SetupMultipleHash2008_V1.5.1.exe
application, 221K, uploaded May 24, 2012 - 334 downloads
Application SetupMultipleHash2005_V1.5.1.exe
application, 221K, uploaded May 24, 2012 - 38 downloads

Release Notes

This is a Performance and UI bug fix release.
It is backwards compatible with previous releases.


Please ensure that you select the appropriate download file based on the version of SQL Server that you will be using.

Code Coverage is at 92.45% overall.
Hash Generation Code is at 100% coverage.
SSIS Runtime Code is at 100% coverage.
UI Code is at ~85% coverage.

The UI bug happened if you had check boxes in different states selected when checking or unchecking on mass.

Performance Improvement over V1.5 is shown in the following table. All tests were executed on a 2 CPU virtual machine on Windows 7 32 bit, running SQL 2012 SSIS. Multi Threading was turned off, as there were insufficient columns being hashed to make it worthwhile.

Test Details V1.5 Performance V1.5.1 Performance
512Mb input file, 50 Columns, 3 Hashs of 50 Columns 143.437s 98.219s
118Mb input file, 1102 Columns, 3 Hashs of 2, 6, and the rest Columns 80.781s 37.844s
592Mb input file, 1102 Columns, 3 Hashs of 2, 6, and the rest Columns 361.578s 178.969s


Please note that your results may vary depending on what else is in your SSIS package. In some cases there is no performance improvement. I'll post more details shortly.

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