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 How much memory can be allocated to sql server		  New Topic  Reply to Topic
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anoop_mig25
Starting Member

India
7 Posts
Posted - 02/28/2013 :  12:43:33  Show Profile  Reply with Quote
hi how much memory can be allocated to sql server.

When i use SSMS to set sql server memory. A default number is displayed i.e 2,147,483,648. Is this number in kb ,mb or in GB.

Or this number doen`t has any significance and what we type that much amount of memory in mb is allocated to sql server.please clear my doubt

robvolk
Most Valuable Yak

USA
15559 Posts
Posted - 02/28/2013 :  13:29:29  Show Profile  Visit robvolk's Homepage  Reply with Quote
The number is in MB, it's the maximum amount that SQL Server will reserve for buffering data and procedure code. There is still some additional memory it will reserve beyond that, but it's not much.

There's more information on how to set the memory limit and what the capacities are:

http://msdn.microsoft.com/en-us/library/ms178067.aspx
http://msdn.microsoft.com/en-us/library/cc645993%28v=sql.105%29.aspx
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ahmeds08
Constraint Violating Yak Guru

India
430 Posts
Posted - 03/05/2013 :  23:38:13  Show Profile  Send ahmeds08 a Yahoo! Message  Reply with Quote
If it is sql server dedicated system you can assign 80 percent of the memory to sql server and remaing 20 for the OS.
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srimami
Posting Yak Master

152 Posts
Posted - 03/06/2013 :  14:41:20  Show Profile  Reply with Quote
As standard best practice, set the Sql Server memory to 90% of RAM and page memory to 1.5 times of RAM
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jackv
Flowing Fount of Yak Knowledge

United Kingdom
1773 Posts
Posted - 03/07/2013 :  01:47:45  Show Profile  Visit jackv's Homepage  Reply with Quote
I'd recommend you profile the memory requirements of other applications on the OS - such as anti virus , monitoring agents and identify the memory requirements , then you know how much memory is available for SQL Server.
http://www.sqlserver-dba.com/2010/10/sql-server-2005-memory-configuration-management.html

Jack Vamvas
--------------------
http://www.sqlserver-dba.com
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