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SQL Server 2008
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SQL Server 2008 - General
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SSIS Data Flow Task Slow!
13 posts, Page 2 of 2
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SSIS Data Flow Task Slow!
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s b dragoo
s b dragoo
Posted Monday, May 04, 2009 2:14 PM
Grasshopper
Group: General Forum Members
Last Login: 2 days ago @ 4:40 PM
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Visits: 490
I'm having nearly identical symptoms with a step in a DTSX package (search SQL Server Central forums for "DTSX package step stalls"). It's really frustrating since it impacts the entire package.
Any help on this issue is greatly appreciated.
Scott B Dragoo
Database Administrator
Yield Technologies
http://www.yieldco.com
http://www.rentsentinel.com
Post #709703
Tim Wilson-Brown
Tim Wilson-Brown
Posted Monday, May 04, 2009 4:46 PM
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Last Login: Thursday, June 10, 2010 8:05 PM
Points: 200,
Visits: 298
This thread didn't go anywhere because the Original Poster only provided some of the information that I needed to understand what was going on.
Please post the following information, starting with the name of the transform that is slow:
Tim Wilson-Brown (4/8/2009)
Can you post CREATE Table statements and create index statements for the source and target tables, and a screenshot of the data flow that's causing the problem.
Can you take a screenshot of the data flow when it's paused as well?
Can you also give me an idea of the number of rows that the data flow processes.
Tim Wilson-Brown (4/13/2009)
When the package pauses, which transforms (inside the data flow task) are green and which are yellow?
Did the package run any faster when you scheduled it as a SQL Server job?
Edited to remove unnecessary comments from quotes.
Post #709812
s b dragoo
s b dragoo
Posted Tuesday, May 05, 2009 9:33 AM
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Group: General Forum Members
Last Login: 2 days ago @ 4:40 PM
Points: 17,
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OK. I got mine to perform more like expected.
On the DTSX step (Data Flow Task), I changed the DefaultBufferSize from 10485760 to 40485760.
Total execution time went from 20 minutes+ down to 6 seconds.
I hope this helps someone else.
Scott B Dragoo
Database Administrator
Yield Technologies
http://www.yieldco.com
http://www.rentsentinel.com
Post #710376
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