PGA size discrepancy

  • From: DBA Deepak <oracle.tutorials@xxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Fri, 21 Oct 2005 12:08:04 +0530

Hi All,

I executed the following statements.

SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production

SQL> select name,VALUE/(1024*1024) MB from v$sysstat
2 where name like '%pga%';

NAME MB
---------------------------------------------------------------- ----------
session pga memory 18184.7367
session pga memory max 19962.1279


SQL> sho parameter pga

NAME TYPE VALUE
------------------------------------ -----------
------------------------------
pga_aggregate_target big integer 24M

One query:

> The session pga memory & session pga memory max values are looking unreal
as we do not have this much amount of Physical memory. And the
pga_aggregate_target is 24M only.

What might be the issue?


--
Regards,

Deepak
Oracle DBA

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