Re: Question about Automatic Memory Management

Dan wrote:
> We are running a 9i production database in which the parameter
> PGA_AGGREGATE_TARGET is set. By setting this we are enabling automatic
> memory management and thus, supposedly, disabling the usage of the
> *_AREA_SIZE parameters.
>
> Do the *_AREA_SIZE parameters get totally ignored when setting
> PGA_AGGREGATE_TARGET? We are concerned that they are still used,
> especially since we cannot set these values to null and then start up
> the database. Why do we have to give these parameters real values if
> they are being ignored? And if we give them values, are these values
> being used in ANY way? If they are used, is the area shared by all
> users or is each user dynamically allocated their own area at
> connect-time or execution time?
>
> Thanks,
> Dan
>

 From the Oracle docs....

http://download-east.oracle.com/docs/cd/B10501_01/server.920/a96524/c08memor.htm#14491

"With PGA_AGGREGATE_TARGET, sizing of work areas for all dedicated sessions is automatic and all *_AREA_SIZE parameters are ignored for these sessions."

HTH,
Brian

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Brian Peasland
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http://www.peasland.net

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