From: Stephanie C (stepchung@gmail.com)
Date: Wed Jan 16 2008 - 18:44:48 EST
We are running oracle db 9i on Sun v245 solaris 10. This server is really
having performance issue. We are trying to work with DBA, Oracle consultant
to figure out what is the cause? Until now, they and we don't know what is
the problem. According to DBA, all the kernel parameters are met for oracle
db. What I can see here is each oracle process is using too much memory.
#prstat -J
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU
PROCESS/NLWP
10430 oracle 665M 635M sleep 49 0 0:01:56 0.7% oracle/1
10420 oracle 665M 635M sleep 41 0 0:01:53 0.7% oracle/1
10438 oracle 665M 635M sleep 48 0 0:01:57 0.7% oracle/1
5718 oracle 665M 635M sleep 56 0 0:17:57 0.7% oracle/1
10436 oracle 665M 635M sleep 53 0 0:01:55 0.7% oracle/1
.....
Why the oracle processes are using too much memory and reserve memory? Is
there a way to set the reserve memory for oracle processes to use less
memory. Thanks for your help.
Stephanie.
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