DB2 V8 32-bits and 64-bits instance

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James - 03 Jan 2008 14:03 GMT

What's the difference between DB2V8 32-bits and 64-bits instance on
AIX? and I am confused the relationship between DB2 32/64-bits
instance and 32/64-bits AIX?
Maybe it is a simple question. Please advise. Thanks so much.

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Serge Rielau - 03 Jan 2008 15:07 GMT

> What's the difference between DB2V8 32-bits and 64-bits instance on
> AIX? and I am confused the relationship between DB2 32/64-bits
> instance and 32/64-bits AIX?
> Maybe it is a simple question. Please advise. Thanks so much.

James,

64bit OS/hardware can run 32bit applications.
So a 32bit instance is a 32bit version of DB2 with all the restrictions
associated with it (e.g. limited buffer pool, shared memory, etc,
etc...) even when running on a 64bit AIX.

Does that help or am I stating the obvious?
Serge

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Serge Rielau
DB2 Solutions Development
IBM Toronto Lab

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db2dude01@gmail.com - 10 Jan 2008 21:34 GMT

Do you mean besides the shared memory restrictions that a 32 bit
instance has that a 64 bit instance doesn't?

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