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L' Eomot Inversé
L' Eomot Inversé
Posted Thursday, December 16, 2010 6:45 PM
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Last Login: Yesterday @ 5:48 PM
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Thanks for teh question. It made me look in BoL, which some say is cheating (and I say is learning).
Tom
Que conclure à la fin de tous mes longs propos? C'est que les préjugés sont la raison des sots. (Voltaire, 1756)
Post #1036251
Nils Gustav Stråbø
Nils Gustav Stråbø
Posted Thursday, December 16, 2010 11:50 PM
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I had to do the same (look i BOL), but I don't consider that cheating. "Cheating" in my opinion is when you copy/paste/run the T-SQL and post the answer without utilizing a single neuron in the central nervous system.
Post #1036350
Paul White
Paul White
Posted Saturday, December 18, 2010 6:30 AM
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SanDroid (12/14/2010)
Nils Gustav Stråbø (12/14/2010)
vk-kirov (12/14/2010)
The bad news is that, according to BOL, "this view is applicable only to the tempdb database".
I would not expect much change in SGAM pages in a normal database. Table creation rates should be low compared to tempdb, so frequent changes in SGAM page allocation is unusual.
I believe this is more important to monitor when you are using Mirroing or Publishing a VLDB.
Also it may be usefull you execute large querries (5K+ rows) that use TEMP tables or Table Parameters that have to create objects to store data in TEMPdB.
No, Nils is quite correct.
I have no idea why you think mirroring, or publishing a large database would be a prime factor in tempdb SGAM contention.
Where does your magic figure of 5K+ rows come from, or are you just guessing?
Paul White
SQL Server MVP
SQLblog.com
@SQL_Kiwi
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