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SQL server 2000 memory management


SQL server 2000 memory management

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RM-472421
RM-472421
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Thanks you all for the help I am getting from this forum.

Please verify the changes I made for below needs and suggest me if I am missing something.

I have two servers running SQL server 2000 SP4 on Windows 2003 64 bit.

Server 1 : Need to configure SQL server to use 6 GB of memory

Available RAM - 8GB

Changes Made :

1. Added /PAE switch to Boot.ini file. ( /3GB switch NOT added )
2. 'Max Server Memory' is set as maximum value to '2147483647', config_value & Run_Value to 6144
3. 'awe enabled' = '1'
4. rebooted the server.

Issue : SQL server still uses <2 GB of memory.

Server 2 : Need to configure SQL server to use 3 GB of memory

Available RAM - 4GB, 'Max Server Memory' is set to '2147483647' ( all three maximum value, config_value, Run_Value )

Changes Made : Added /3GB switch to Boot.ini file.

Issue : Do I need to modify the max server memory to '3221225472' ( 3GB )? If Yes, Do I need set the value to '3072' or '3221225472' ?
PS: setting the value to '3221225472' fails with "Error converting data type numeric to int."


- RM
Jo Pattyn
Jo Pattyn
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I'll have to recheck it.
What edition of sql server 2000 is it? Standard,Enterprise,.. 32-bit or 64-bit
What edition of windows 2003 is it ? Standard,Enterprise,...

Your problem problably has been discussed on
http://sql-server-performance.com/Community/forums/p/24896/138597.aspx#138597
but I'm sure the experts will help you out.
Carl Federl
Carl Federl
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Take a look at "FIX: Not all memory is available when AWE is enabled on a computer that is running a 32-bit version of SQL Server 2000 SP4"

http://support.microsoft.com/kb/899761

SQL = Scarcely Qualifies as a Language
RM-472421
RM-472421
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Jo and Carl,

Thanks for the information.

We are using SQL server is Standard edition 32bit and Windows 2003 Standard edition 64 bit.

As per MS article at the link given by Carl,

AWE is not available on all versions of SQL Server 2000. For example, AWE is not available for MSDE, SQL Server 2000 Standard Edition, SQL Server 2000 Personal edition, or installations of only the SQL Server 2000 Tools.

If this is the case, will I not be able to use more than 3 GB on server 1 though I have 8GB RAM as it is SQL server 2000 standard edition?
Carl Federl
Carl Federl
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"If this is the case, will I not be able to use more than 3 GB on server 1 though I have 8GB RAM as it is SQL server 2000 standard edition?"

No, you will not be able to use even 3GB as Standard Edition is limited to 2GB of memory under all conditions and setting any of the Windows options (/3GB or /PAE) will have no effect.
Standard Edition is also limited to 4 CPUs (a dual core CPU counts as 2 CPUs).

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RM-472421
RM-472421
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Thanks again Carl.

We may have to plan for an upgrade Sad.
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