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тАО12-16-2003 06:22 AM
тАО12-16-2003 06:22 AM
Re: Ora-27102: Out of memory-Error bringing up Oracle
Mem windows will not help IF they have only one DB. Would help for multiple DBs only. Then they could have seperate SGAs in seperate windows. But with only one SGA & 32-bit Oracle they have that 1.75Gb ceiling. And the reason you'll probably be limited to 1.6GB is because one also has to use some of this space for shared libs & memory mapped objects. Can't ALL go to shared memory....
Rgds,
Jeff
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тАО12-16-2003 06:30 AM
тАО12-16-2003 06:30 AM
Re: Ora-27102: Out of memory-Error bringing up Oracle
What I understand through my readings on memory windows is that the shmmax limit of 1.7 could be overcome with memory windows.
What if I set memory windows for a DB and any other program.
This other program may not need that much high shmmax?
With this I just want to create two mem windows.
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тАО12-16-2003 06:38 AM
тАО12-16-2003 06:38 AM
Re: Ora-27102: Out of memory-Error bringing up Oracle
Because you can only point a single SGA at a single mem window. ALL mem windows will be subject to the 32-bit addressing limit.
Therefore mem windows only help when one runs multiple Oracle instances - then they each can have their own window & each would have a seperate 1.75GB ceiling.
Rgds,
Jeff
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тАО12-16-2003 07:41 AM
тАО12-16-2003 07:41 AM
Re: Ora-27102: Out of memory-Error bringing up Oracle
To overcome the 1.7GB limit use "chatr" command to the dataserver executable.
Thanks
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тАО12-16-2003 08:07 AM
тАО12-16-2003 08:07 AM
Re: Ora-27102: Out of memory-Error bringing up Oracle
Take a look at the chatr man page and the section called, "chatr and MAGIC Numbers"
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