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What is the total Memory Allocated to Oracle ? (SGA + PGA ) or SGA ?

edited Apr 22, 2012 2:30PM in Database Administration (MOSC) 9 commentsAnswered ✓
Hi,

We have windows 64 bit server and running Oracle 10.2.0.5.  The total Physical RAM is 8GB.

We have SGA_TARGET as 1.6 GB and SGA_MAX_SIZE as 1.6GB as well.

However, the PGA_AGGREGATE_TARGET = 1.7G

When I look in the task manager - the total oracle memory for oracle.exe shows up at approx. 1.6GB (SGA_TARGET).

Should it not be SGA + PGA = 3.3 G ?  Atleast, my understanding is that it should allocate that much and use the PGA as the individual processes require.

Thanks in advance.

Sanjay

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