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upgrading from 2005 to 2008 Expand / Collapse
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Posted Tuesday, February 18, 2014 11:26 PM
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Hi,

Please suggest me what are the measures to be taken on the database or server settings if we are suggesting our client
to upgrade from SQL 2005 version to 2008 version.

One of our client has an issue about performance degrade when they have upgraded their sql version from 2005 to 2008. In this scenario, what all do I need to check at the client side
to improve the performance. They have reporting database on which reports were working fine with sql2005 version and they are running slow on 2008 server.

Note :

No changes in schema
No new queries


Thanks for your suggestions
Post #1542868
Posted Wednesday, February 19, 2014 7:10 AM


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Did you rebuild the query statistics when you changed servers?

Note this is a guess on my part as I am not an expert in performance tuning.
Post #1542984
Posted Monday, February 24, 2014 1:06 PM
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Compare the server level settings of both 2005 and 2008 servers. Are they same or missed something on the new server.

Also check the DB file layout , tempdb layout etc ..

--
SQLBuddy
Post #1544693
Posted Tuesday, February 25, 2014 3:30 AM


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pmadhavapeddi22 (2/18/2014)
Hi,

Please suggest me what are the measures to be taken on the database or server settings if we are suggesting our client
to upgrade from SQL 2005 version to 2008 version.

One of our client has an issue about performance degrade when they have upgraded their sql version from 2005 to 2008. In this scenario, what all do I need to check at the client side
to improve the performance. They have reporting database on which reports were working fine with sql2005 version and they are running slow on 2008 server.

Note :

No changes in schema
No new queries


Thanks for your suggestions



Do a post upgrade checklist
https://www.google.com/#q=post+upgrade+checklist+sql+server



Muthukkumaran Kaliyamoorthy

Helping SQL DBAs and Developers >>>SqlserverBlogForum
Post #1544822
Posted Tuesday, February 25, 2014 6:16 AM


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At minimum Microsoft recommends full update stats when you upgrade... however, I always rebuild the indexes as they recommend that if you have the time.


Post #1544869
Posted Tuesday, February 25, 2014 11:48 PM
Right there with Babe

Right there with BabeRight there with BabeRight there with BabeRight there with BabeRight there with BabeRight there with BabeRight there with BabeRight there with Babe

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Thank you all for your responses. As of Now, I have given scripts for rebuilding indexes. Yet to implement this.
Post #1545226
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