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SQL Server 2008
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T-SQL (SS2K8)
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Sql Server Snaphot Performance.
Sql Server Snaphot Performance.
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ggjjbb1983
ggjjbb1983
Posted Thursday, October 18, 2012 3:34 AM
SSC Journeyman
Group: General Forum Members
Last Login: Thursday, May 09, 2013 8:52 AM
Points: 76,
Visits: 240
Hi,
I am running an update to a large number of rows on a table in a database which has a snapshot.
The update is quite slow, so I was just wondering if having a snaphot in place will slow down updates at all, as the original pages will need to be copied to the snapshot for each modification?
It may just be due to the large amount of data; however I'd like to rule out the possibiltiy that the update is not being slowed down by the snaphot being in place.
Thanks.
Post #1374222
GilaMonster
GilaMonster
Posted Thursday, October 18, 2012 3:40 AM
SSC-Dedicated
Group: General Forum Members
Last Login: Today @ 11:21 AM
Points: 37,686,
Visits: 29,943
Yup, it can be due to the snapshot.
http://www.sqlservercentral.com/articles/Performance+Tuning/64080/
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #1374225
ggjjbb1983
ggjjbb1983
Posted Thursday, October 18, 2012 3:56 AM
SSC Journeyman
Group: General Forum Members
Last Login: Thursday, May 09, 2013 8:52 AM
Points: 76,
Visits: 240
Thanks very much for your help. Thats exactly what I needed.
Post #1374232
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