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SQL Server 2005
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Administering
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max worker threads
max worker threads
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karthikeyan-146504
karthikeyan-146504
Posted Tuesday, May 12, 2009 3:38 AM
Valued Member
Group: General Forum Members
Last Login: Thursday, April 08, 2010 11:35 PM
Points: 71,
Visits: 196
Hi,
We have dedicated sqlserver database system.
it has 8 processors and 8 GB Ram...
Let me know how many max worker threads we will have for this configuration.
Thanks in advance
Kindest Regards,
karthik
Post #714809
ajitgadge
ajitgadge
Posted Tuesday, May 12, 2009 4:23 AM
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Group: General Forum Members
Last Login: Thursday, August 26, 2010 3:57 AM
Points: 38,
Visits: 74
Default value of max working thread is 255. So anything over 255 will slower down the performance.
If your application is OLTP then i would suggest to keep max dop 0 or if OLAP then incraese the value equal to your physical processor.
Post #714839
Jonathan Kehayias
Jonathan Kehayias
Posted Tuesday, May 12, 2009 6:39 AM
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Last Login: Sunday, May 12, 2013 4:26 PM
Points: 1,696,
Visits: 1,742
The default configuration for SQL Server should be used unless you have a demonstrated problem that requires a different configuration. This is to include the Max Degrees of Parallelism for OLTP's as a well. Even for transactional work loads, parallel processing is beneficial if the hardware supports it. If you find large CXPACKET wait types during query processing, then you might look at changing the Parallelism setting to adjust, or setting it to MAXDOP 1 using query hints for problemattic queries, but you shouldn't change the setting as a blanket rule.
Jonathan Kehayias | Principal Consultant | MCM: SQL Server 2008
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