Page Space usage in Windows XP64 with 10g PE 32-bit

Hi.
We have three workstations installed with 12GB of RAM and XP64.
Due to issues porting the database from the user's XP32 bit machines into oracle 64-bit,
I instead installed Oracle 10g 32-bit, and just copied over the %ORACLE_HOME\oradata\orcl directories.
Since the time that I installed these machine, I have learned how to port the database to 64-bit correctly.
However, I've noticed that the systems slow down a great deal when loading data into tables.
I've traced this to Paging file activity - which is odd because there is 6GB completely unused on these
machines, and I don't understand why it is paging. The size of the paging is fairly small, under 100MB,
but the machine slows to a crawl when it starts paging, not just for Oracle but for all applications.
Does anyone know if this is 'normal' behavior? Would switching to Oracle 64-bit fix this problem?
What about disabling the pagefile? SGA memory settings? The systems are configured to use a
SGA of 3.2 GB. Is this wrong?

avramits wrote:
Windows will be always using Page file. But i do not think paging is a problem. Running 32 bit emulation in 64 bit environment is a problem. Why won't you upgrade your database to 64 bit and enjoy. It will take no time to do that.
install 64 bit oracle software, Recreate service, copy database dirrectory, then startup upgrade, run utlirp, shutdown then startup normal and run utlrp. Done. All together will takes less then 10 min to complete (64 bit software could be installed upfront).Oracle 10g 32-bit was causing significant paging even though less than 6GB out of 12GB system RAM was used.
I read the instructions for upgrading a 32-bit database to 64-bit, but it didn't work correctly on this database.
The database contained a good deal of JAVA and other code, and utlrp crashed every time I ran it, to upgrade a 32-bit database to 64-bit.
I found other advice on the network on how to upgrade the 32-bit database completely to 64-bit, but I could never get it completely error-free.
However, after I actually learned what the tables in the database were for, I came up with a script which exported/imported only the non-system data, and then re-installed all of the 'code' tables separately, which results in a fully-working 64-bit database.
Initially there was a very short 'porting' window for moving the data from the old 32-bit machine to the 64-bit PC, so I went with the easier solution of just copying the oradata directory and using 32-bit Oracle 10g. Now I have essentially the entire weekend to
upgrade the PC from Oracle 32-bit to Oracle 64-bit, which is plenty of time.

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