Setting Maximum Memory

Nov 4, 2007

I need to up the Maximum Memory setting.

Out of the box it is set to 2147483647 MB.
I assume this is ~2GB. I have been instructed
to set it to 1GB less than total server memory
which is 16GB. When I change the value
it just changes back.

How do I change it and how are these Megabyte
numbers calculated?

OS: Windows 2003 R2 Enterprise
SQL: SQL Server 2005 Standard

Thanks!

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Server:
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Version5.2.3790 Service Pack 1 Build 3790
8 GB memory
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SELECT TOP 10 Address.Address1, Address.Address2, Address.City, Address.County, Address.State, Address.ZIPCode, Address.Country, Client.Name,
Quote.Deleted, Client.PrimaryContact, Client.DBA, Client.Type, Quote.Status, Quote.LOB, Client.ClientID, Quote.QuoteID, Quote.PolicyNumber,
Quote.EffectiveDate, Quote.ExpirationDate, Quote.Description, Quote.Description2, Quote.DateModified, Quote.DateAccessed, Quote.CurrentPremium,
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Address table - 161,075 rows
Client table - 161,634 rows
Quote table - 59,145 rows


With default maximum memory setting (2,147,483,647 MB) - query runs in 20 seconds and consumes over 70 % of the CPU.

After changing maximum memory setting to 2048 MB, query runs in less than 1 second.


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